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Developer Corner

Libraries, infrastructure, open-source projects, and tools for people who build software.

Visual leads · 2026-09-21

Eight from today

Complete 134-card shelf
Landing-page snapshot of riemand.com Observed 2026-09-21 Hermes 双机协同:一场双机量化实验的事故档案 riemand.com

一份中文技术日志,记录两台机器、三个模型和四个量化策略如何在 84 天模拟交易实验中协同工作。

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Landing-page snapshot of badc.dev Observed 2026-09-21 badc, the Formerly Bad C Compiler badc.dev

A small optimizing C compiler and compiler-as-library that emits native binaries for five targets from any host.

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Landing-page snapshot of liquidglass.dev Observed 2026-09-21 Liquid Glass for the Web liquidglass.dev

A dependency-free web component library that renders interactive liquid-glass effects across Chrome, Safari, and Firefox.

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Landing-page snapshot of echo-ui.com Observed 2026-09-21 Echo UI Makes React Components You Can Hear and Feel echo-ui.com

A neo-skeuomorphic React component library that puts motion, sound, and tactile controls alongside conventional design tokens.

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Landing-page snapshot of agentaction.online Observed 2026-09-21 AgentAction puts a person between an AI agent and its side effects agentaction.online

An open-source, self-hostable security layer that pauses selected agent tool calls for approval on a user's phone.

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Landing-page snapshot of mdfirstexperiment.com Observed 2026-09-21 md-first: a page-discovery experiment for agents mdfirstexperiment.com

A measured experiment testing how agents find HTML and Markdown pages that navigation does not connect.

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Landing-page snapshot of flydrones.tech Observed 2026-09-21 FlyDrones: When a Fruit Fly Flies the Drone flydrones.tech

An online 3D and 2D simulator uses a spiking neural network modeled on fruit-fly visual circuits to steer an FPV drone.

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Landing-page snapshot of walleisreal.xyz Observed 2026-09-21 WALL-E Is Real walleisreal.xyz

An open build log for a tracked robot whose learned motor policy handles movement while an LLM supplies slower, higher-level intent.

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Complete daily shelf · Developer Corner

All 134 cards from 2026-09-21

The eight visual leads appear above; the remaining 126 continue here in their published shelf order.

Landing-page snapshot of grahamhelton.com Graham Helton’s offensive-security workbench grahamhelton.com

A red-team engineer’s personal site collecting security research, conference talks, certifications, and open-source tools.

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Landing-page snapshot of getslowpoke.com Slowpoke turns technical debt into missions getslowpoke.com

An open-source, self-hosted tool that measures slow pages, queries, and jobs, then ranks the work by the time it costs users.

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Landing-page snapshot of bci.report BCI Report: Every EEG Score, With Its Protocol bci.report

A public evaluation resource comparing EEG decoding methods across fixed protocols, datasets, sensor conditions, and deployment questions.

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Landing-page snapshot of agentchaperone.dev agent-chaperone reads what AI agents ask for—and what comes back agentchaperone.dev

An open-source runtime security layer that screens AI-agent tool calls before execution and tool results for prompt injection.

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Landing-page snapshot of hatscripts.com HatScripts, a Browser-Sized Developer Toolkit hatscripts.com

A free collection of browser tools, 800+ circular SVG flags, userscripts, UI assets, cheat sheets, and technical guides.

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Landing-page snapshot of jev-xyz.com TypeSafe Jev: An Index With Receipts jev-xyz.com

An independent case index and benchmark report tracking how TypeSafe Jev is used for small, high-volume decisions.

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Landing-page snapshot of aimanager.tools AI Manager: a desktop control panel for coding CLIs aimanager.tools

An open-source desktop app installs, updates, configures, and repairs AI coding command-line tools without manual PATH or shell-profile edits.

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Landing-page snapshot of alcarta.app Alcarta’s human approval queue alcarta.app

A mail gateway lets AI agents read remote IMAP, SMTP, and JMAP mailboxes while requiring human approval before sending or deleting.

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Landing-page snapshot of armies.dev Armies: Stratego as a Research Arena armies.dev

A browser-playable Stratego engine where visitors can face research players, inspect replays, and compare agents on a competitive ladder.

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Landing-page snapshot of assumevalid.org assumevalid: A Blockchain That Assumes Everything assumevalid.org

An experimental blockchain network that accepts blocks and transactions without performing the verification normally used to keep a ledger honest.

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Landing-page snapshot of autocf.net AutoCF, the Compound-Flood Workbench autocf.net

An open scientific modeling workflow that prepares, runs, evaluates, and analyzes compound-flood simulations while leaving the hydrodynamic solver under the user's control.

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Landing-page snapshot of autolith.rocks Autolith, the self-rewriting Common Lisp agent autolith.rocks

An open-source terminal agent that runs as a live Common Lisp image, letting users inspect, modify, and recover its running system.

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Landing-page snapshot of badmarket.ing badmarket.ing: The Anti-Marketing Page for usectl badmarket.ing

A candid manifesto for usectl, a cloud hosting platform that combines infrastructure, deployment, storage, databases, and a CLI under one bill.

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Landing-page snapshot of benchable.app Benchable: benchmark runs with statistical verdicts benchable.app

A self-hostable benchmark store that compares latency, build time, bundle size, throughput, and other metrics, then reports whether changes are statistically meaningful.

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Landing-page snapshot of cairncli.com Cairn, a local memory vault for coding agents cairncli.com

Cairn stores searchable decisions, notes, and handoffs in a shared SQLite vault on the project machine.

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Landing-page snapshot of chorelet.app Chorelet turns everyday web scraping into small, priced chores chorelet.app

An independent developer’s catalog of Apify data tools for collecting reviews, posts, news, feeds, app metadata, and other public web data.

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Landing-page snapshot of clawtank.app clawtank: an Android emulator in the cloud clawtank.app

A cloud API accepts Kotlin and XML source, builds an APK, runs it on an Android emulator, and returns screenshots, logcat, and a live stream.

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Landing-page snapshot of decivo.org Decivo’s 50-Case Jev Benchmark decivo.org

An open, case-level benchmark comparing Jev 1.13 with GPT-4o-mini on 50 synthetic customer-support classification cases.

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Landing-page snapshot of dekaresultsapi.com The Spartan DEKA Results API dekaresultsapi.com

A versioned REST API for DEKA FIT, MILE, STRONG, ATLAS, ULTRA and related race-result data.

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Landing-page snapshot of docentjs.dev Docent, the JSON-first product tour docentjs.dev

An open-source web library for guiding users through an interface with spotlighted elements, popovers, and tours defined in JSON.

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Landing-page snapshot of fenecdb.com fenecdb, a Vector Database in a Browser Tab fenecdb.com

An embedded vector database written in Rust that runs as 370 KB of WebAssembly or as a PostgreSQL-speaking process.

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Landing-page snapshot of floorscript.com FloorScript: floor plans as text floorscript.com

A browser-based language for describing homes in text, with live plans, elevations, 3D models, and interactive editing.

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Landing-page snapshot of getsuss.dev suss explains what your code does getsuss.dev

A deterministic behavioral-analysis tool for TypeScript, Python, and Ruby that describes code paths and checks boundaries against clients, specs, and infrastructure.

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Landing-page snapshot of heyparlour.app Parlour, the Mac-based voice assistant for your house heyparlour.app

An open-source home voice assistant that runs its wake word, speech recognition, local model, and voice output on a Mac.

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Landing-page snapshot of infernotics.com FireGuard I.0 Walks Into the Fire infernotics.com

Infernotics presents an industrial firefighting robot for remote operation, hazardous environments, and multi-agent suppression.

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Landing-page snapshot of jevai.tools Jev AI Makes Model Decisions Legible jevai.tools

An interactive AI system that turns messages and other bounded states into typed choices, scores, and probabilities.

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Landing-page snapshot of jevcumber.dev jevcumber: Cucumber without the step definitions jevcumber.dev

An open-source test runner that reads a Gherkin feature file, opens a real browser, and resolves each step from the controls and text it finds on the page.

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Landing-page snapshot of jevgrep.com Jevgrep searches code by behavior, not just words jevgrep.com

A semantic code-search CLI lets coding agents describe a behavior and receive matching files, line ranges, and source excerpts.

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Landing-page snapshot of latch.build Latch Turns Product Drawings into Assembly Films latch.build

Latch creates reviewed 1080p assembly videos from shop drawings and illustrated PDF guides.

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Landing-page snapshot of lorcannmodding.com LorcannModding: NPCs, Mods, and a School for GTA V Tinkerers lorcannmodding.com

A personal workshop for GTA V mods, reusable game-modding tools, and lessons that teach programming through hands-on experimentation.

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Landing-page snapshot of nousprotocol.org Nous Protocol, a Company Run by Agents nousprotocol.org

An agent-operated Solana data service that answers which memecoin launches a wallet has made before.

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Landing-page snapshot of onepersoncompany.biz One Person Company, the solo-founder control room onepersoncompany.biz

An open-source, self-hosted workspace that brings a solo founder's revenue, analytics, servers, work board, and AI specialist agents into one dashboard.

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Landing-page snapshot of owterminal.com OWterminal’s real-silicon model board owterminal.com

An open-weights benchmark that ranks language-model and hardware combinations by measured token speed.

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Landing-page snapshot of piiarena.com PII Arena: a leaderboard for PII and secret detectors piiarena.com

A public benchmark comparing detectors that find and mask personal information and secrets across datasets of varying difficulty.

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Landing-page snapshot of pumdoctrine.com Pum Doctrine Wants You to Audit the AI pumdoctrine.com

A browser- and terminal-based verification layer for AI actions, claims, limits, receipts, and system records.

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Landing-page snapshot of regevidencehub.com RegEvidenceHub: Regulatory decisions with the evidence attached regevidencehub.com

A UK regulatory preflight service covering taxi licensing, CQC compliance, premises licences, and sponsor duties.

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Landing-page snapshot of regularized-rsi.com RRSI: Regularized Recursive Self-Improvement regularized-rsi.com

A research project on evolving AI agent harnesses without letting them overfit the benchmark used to score them.

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Landing-page snapshot of robo-jev.dev Robojev: A Decision Layer for Robots robo-jev.dev

Robojev is a research project that turns structured robot-world state into parallel, typed judgments about the next action.

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Landing-page snapshot of saasdestroyer.com SaaS Destroyer Hackathon saasdestroyer.com

A free, one-day Cambridge hackathon where teams rebuild a real B2B software product in eight hours.

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Landing-page snapshot of seatline.app Seatline and the true price of a ticket seatline.app

An MCP server that compares live ticket inventory across marketplaces using the all-in price a buyer actually pays.

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Landing-page snapshot of seclume.space Seclume Keeps JDBC Secrets off the Heap seclume.space

A Java JDBC implementation for PostgreSQL, MySQL/MariaDB, SQL Server, and Oracle that routes database secrets through native memory.

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Landing-page snapshot of subcanvas.app Subcanvas, the whiteboard that keeps opening subcanvas.app

A nested whiteboard for diagrams, notes, and repository maps, where boxes and arrows can each contain deeper material.

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Landing-page snapshot of tallybook.xyz Tally, a public ledger for Robinhood Stock Tokens tallybook.xyz

An on-chain board that counts Robinhood Stock Token holdings, translates them into share-equivalents, and records holder intents for future proxy or redemption events.

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Landing-page snapshot of testedok.dev TestedOK, the coding-loop mobile tester testedok.dev

TestedOK runs plain-English mobile app flows on iOS Simulators and Android emulators, then reports whether they passed and which step failed.

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Landing-page snapshot of textprov.org TextProv, provenance marks for plain text textprov.org

An open protocol for labeling passages as human-written, AI-generated, mixed, edited, or unknown, with those labels traveling inside the text.

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Landing-page snapshot of topolyz.com Topolyz — Diagrams that refuse to invent a link topolyz.com

A network-architecture copilot turns plain-language requests into inventory-backed diagrams with traceable connections.

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Landing-page snapshot of usdt.stream USDT Blacklist Explorer: Every Frozen Tether Address usdt.stream

A searchable public record of USDT addresses frozen, released, or wiped by Tether on Ethereum and TRON.

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Landing-page snapshot of usekoncept.com Koncept lets an AI agent draw the model usekoncept.com

A collaborative modeling canvas where AI agents create concepts, connect relations, and lay out architecture views through a built-in MCP server.

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Landing-page snapshot of vaisboundary.com VAIS Boundary: Keep Authority Outside the Model vaisboundary.com

An AI security boundary that mediates agent tool calls, applies trusted policy, and independently checks observable effects.

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Landing-page snapshot of velvetprover.dev Velvet Turns Imperative Programs into Lean Proofs velvetprover.dev

Velvet is a Lean 4 library that lets programmers write imperative algorithms with contracts, run them, and verify their correctness.

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Landing-page snapshot of voxint.app Voxint — Local Speaker-Labeled Transcripts voxint.app

An open-source tool that turns recordings into speaker-labelled transcripts on your own hardware.

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Landing-page snapshot of baiqisoftware.com Baiqi puts an AI control plane inside Unreal Editor baiqisoftware.com

Baiqi is a local MCP server that lets AI coding agents inspect, edit, compile, and verify Unreal Engine projects through structured editor-native tools.

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Landing-page snapshot of createwithoscar.site OSCAR: Control Surfaces for Interactive Installations createwithoscar.site

A free, open-source browser-based tool for designing interfaces that control video, lighting, and sound systems.

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Landing-page snapshot of danio.online DANIO: A 650,000-Neuron Fish-Brain Workbench danio.online

An interactive simulation and downloadable computational model of the adult Danionella cerebrum, with a Python interface for sensory inputs and motor outputs.

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Landing-page snapshot of fruth.dev Fruth Gives Local AI a Memory of the Work fruth.dev

Fruth is a local-AI runtime that turns model responses into inspectable artifacts, dependency graphs, and continuable state.

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Landing-page snapshot of voltionx.tech voltionX — one DotCode decoder, three places to run it voltionx.tech

A DotCode decoding engine offered as an offline SDK, browser scanner, or cloud API.

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Landing-page snapshot of allseats.app AllSeats: The Ticket-Price Spread allseats.app

An agent-facing ticket tool that compares all-in seat prices across marketplaces and watches for changes in price or availability.

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Landing-page snapshot of axi.wiki axi — a 17-tool Guild Wars 2 software suite axi.wiki

A directory of tools for Guild Wars 2 combat analysis, WvW guild management, build publishing, Discord, streaming, and in-game overlays.

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Landing-page snapshot of cedvel.app Cedvel, a Mac-native database viewer with guardrails cedvel.app

Cedvel lets Mac users browse and edit PostgreSQL, MySQL, and SQLite databases through a native, keyboard-first app.

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Landing-page snapshot of ciobench.com CIOBench, a drag-and-drop workbench for Motoman controller I/O ciobench.com

A focused editor for Concurrent I/O on Yaskawa Motoman controllers, producing the CIOPRG.LST and IONAME.DAT files those controllers load.

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Landing-page snapshot of daemonfill.dev Daemonfill: an AMM-backed UniswapX quoter on Base daemonfill.dev

An independent project that prices UniswapX RFQ requests from on-chain AMM liquidity and attempts atomic fills without holding inventory.

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Landing-page snapshot of dccmcp.com DCCMCP: A Contract for AI in Blender, Rhino, and QGIS dccmcp.com

DCCMCP presents local MCP servers that let AI agents inspect, modify, and validate work inside creative, CAD, GIS, and imaging software.

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Landing-page snapshot of enteraxyra.world Axyra, a Globe for Public Signals enteraxyra.world

Axyra is a spatial interface that places public signals—such as seismic events and orbital positions—onto a navigable model of Earth.

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Landing-page snapshot of gotdelayed.help Got Delayed gotdelayed.help

An MCP and HTTP service that helps AI assistants check flight-compensation eligibility and prepare claims under EU261, UK261, and similar laws.

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Landing-page snapshot of gridactionbench.org GridActionBench Tests Agents Inside a Changing Power Grid gridactionbench.org

An open benchmark evaluates how autonomous AI agents perceive, decide, act, adapt, and escalate in simulated energy systems.

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Landing-page snapshot of itsjustafly.study The GPU Fly, Hunting itsjustafly.study

An interactive fly-brain simulation shows a virtual fly searching for reward through vision, neural spikes, and steering decisions.

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Landing-page snapshot of jevbenchmark.app Jev Benchmark Lab: The Go/No-Go Report jevbenchmark.app

A hosted evaluation tool that runs labeled CSV, JSON, or JSONL data against Jev and produces an evidence-focused benchmark report.

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Landing-page snapshot of moot.channel Moot, a public conversation protocol for software agents moot.channel

Moot defines a minimal HTTP protocol for software agents to exchange plaintext messages in public rooms.

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Landing-page snapshot of myaielia.com Aielia, an AI agent with a visible leash myaielia.com

An open-source, self-hosted AI agent for multi-step work, with a harness controlling tools, beliefs, verification, recovery, and spending.

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Landing-page snapshot of nativemade.app Native Made: From a Sentence to a Compiled iOS App nativemade.app

Native Made presents an AI-assisted workflow for describing an iOS app, generating SwiftUI, compiling it on a hosted Mac, and exporting screenshots plus an Xcode project.

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Landing-page snapshot of ondula.network Ondula, a public RF network in Monterrey ondula.network

A public network of receiving instruments for requesting bounded radio-frequency measurements and checking their signed receipts.

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Landing-page snapshot of personalagentbench.com Personal Agent Bench: Four Agents, Taken Apart personalagentbench.com

A runtime-level comparison of Pine, Instinct, Muse, and Town, examining where their models run, how tools reach them, and where memory lives.

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Landing-page snapshot of pgsandbox.dev PGSandbox: A Postgres Sandbox for Coding Agents pgsandbox.dev

An open-source local Postgres MCP server that gives coding agents isolated, disposable databases for migrations, SQL testing, and backend bug reproduction.

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Landing-page snapshot of quadpointstudio.com Quadpoint AI Studio Puts Oversized Models on a Small Mac quadpointstudio.com

A native macOS inference engine that pages open-weight model weights from an SSD, letting Apple silicon machines run models larger than their available RAM.

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Landing-page snapshot of riggler.app Riggler turns prompts, photos, and video into Roblox animation riggler.app

A web app and Roblox Studio plugin that converts described or uploaded motion into animations for R15 and R6 rigs.

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Landing-page snapshot of safegrd.dev SafeGrd’s backup vault an AI agent can’t delete safegrd.dev

SafeGrd backs up PostgreSQL databases, files, and mailboxes with client-side encryption, WORM storage, and scheduled restore checks.

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Landing-page snapshot of sharemeatsack.com ShareMeatSack: file handoffs for agents and people sharemeatsack.com

A file-transfer tool lets an agent create a request or send files through a shareable page that a person can use without signing in.

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Landing-page snapshot of usecrawlable.com Crawlable audits your site as an AI crawler sees it usecrawlable.com

Crawlable fetches raw HTML without running JavaScript, measures what AI crawlers can read, and generates files intended to improve retrieval.

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Landing-page snapshot of zipsfornerds.com ZIPs For Nerds: Read the ZIP without reading the ZIP zipsfornerds.com

An independent research series that explains Zcash Improvement Proposals in plain language, one proposal at a time.

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Landing-page snapshot of ali.host Ali Host: Servers That Manage Themselves ali.host

Ali’s founder site presents Evorxa, an AI-managed VPS platform running on claimed owned hardware and network infrastructure.

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Landing-page snapshot of computefirst.net ComputeFirst: 216 Tools for AI Assistants computefirst.net

ComputeFirst offers a network of callable tools for tables, text, dates, calculations, graphs, and other structured tasks.

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Landing-page snapshot of 402registry.com 402registry checks whether AI agents can actually see your site 402registry.com

A pay-per-check audit fetches a website like an AI crawler and reports what appears without JavaScript, including bot access, sitemaps, and soft-404 behavior.

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Landing-page snapshot of ackflow.dev Ackflow, the webhook safety net ackflow.dev

A focused webhook layer that acknowledges events quickly, preserves their full context, retries failed deliveries, and lets developers replay them.

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Landing-page snapshot of attestia.dev Attestia, a ledger for AI-written code attestia.dev

Attestia records which AI agent and model contributed to software changes, who directed them, and who reviewed them.

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Landing-page snapshot of etchblok.app Etchblok Maps the Codebase Before It Writes the Docs etchblok.app

Etchblok uses AI agents and a deterministic codebase map to generate architecture guides, API references, tutorials, and other technical documentation.

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Landing-page snapshot of hyperties.net HyperTIES, the 1988 Interactive Encyclopedia hyperties.net

A markdown conversion of the HyperTIES interactive encyclopedia, with 133 articles distributed across four linked databases.

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Landing-page snapshot of jev-engineering.site Jev Engineering’s decision layer for AI agents jev-engineering.site

A technical course and browser demo for routing, scoring, approving, and escalating agent decisions without spending a frontier-model call on every fork.

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Landing-page snapshot of jeveloper.dev Jeveloper’s 100 Decisions for Jev jeveloper.dev

An independent developer field guide showing how Jev can route, review, triage, and trigger software actions.

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Landing-page snapshot of kant.network Kant, a relay-first messaging layer kant.network

Kant presents a self-hostable, peer-to-peer messaging infrastructure built around end-to-end encryption and relays that retain no plaintext.

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Landing-page snapshot of ogrender.dev ogrender: Dynamic OG images from one URL ogrender.dev

A rendering API that turns HTML into PNG or JPEG social-preview images using real Chromium CSS.

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Landing-page snapshot of orbebrowser.com Orbe Browser Keeps Every Profile in Its Own Machine orbebrowser.com

An in-development multi-profile browser that gives each account a fixed browser fingerprint and tests its behavior against real Chrome.

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Landing-page snapshot of rootatron.com ROOT-A-TRON 3000 rootatron.com

A browser interface for turning measured data into plots and fitted curves with CERN ROOT.

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Landing-page snapshot of terminall.app terminALL Puts Your Computer in Your Pocket terminall.app

An iPhone and iPad app for reaching Linux, Windows, and Mac computers through a terminal, file browser, live desktop, and remote controls.

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Landing-page snapshot of userspace.party userspace.party Makes a Rust Ecosystem Out of Hard Boundaries userspace.party

A Rust project organizes abstractions, operating-system interfaces, machines, perception, browsers, and physical-world simulation into one linked system.

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Landing-page snapshot of vi-mcp.cloud VI MCP Gives Revit an AI Control Panel vi-mcp.cloud

A Revit plugin that lets Claude, ChatGPT, and other MCP-compatible assistants query, edit, document, and audit BIM models.

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Landing-page snapshot of zecmcp.com ZecMCP, the blind relay for agent payments zecmcp.com

An MCP server gives AI agents read-only access to Robinhood Chain and prepares shielded Zcash payment requests.

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Landing-page snapshot of agentcve.org ACVE, a vulnerability registry for AI-agent configurations agentcve.org

A public registry cataloguing vulnerable combinations of AI-agent harnesses, models, tools, permissions, and versions.

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Landing-page snapshot of algeon.dev Algeon: GPU Algorithms, Delivered Through SQL algeon.dev

Algeon brings selected GPU execution, graph algorithms, and vector operations into composable SQL workflows through Apache DataFusion.

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Landing-page snapshot of bettercalljev.com Better Call Jev Puts Claude's Judgment on a Scale bettercalljev.com

A Claude Code plugin that turns bounded questions into probabilities, ranked choices, or rubric scores.

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Landing-page snapshot of c3pm.dev c3pm, a Package Manager for the C3 Language c3pm.dev

c3pm manages packages, native dependencies, toolchains, builds, and portable bundles for projects written in the C3 programming language.

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Landing-page snapshot of chancela.xyz Chancela puts limits around AI agents chancela.xyz

Chancela is an authorization layer that gives autonomous AI agents identities, deterministic permissions, and on-chain records of their decisions.

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Landing-page snapshot of ezkey.app ezkey Keeps the Keychain in the Menu Bar ezkey.app

A local-only macOS menu-bar utility for saving and retrieving secrets from the login Keychain.

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Across the archive

Developer Corner, accumulating

17,695 cards provide an early longitudinal view—not a measure of the whole web.

Category pulse

score + signals · rolling 21 days
Developer Corner score and signal pulse Daily median editorial-interest threads for every category, the category average, and the daily prevalence of ten overlapping signals for Developer Corner over the latest 21 issues. Weird Finds daily median score Oddly Specific daily median score Useful Tools daily median score AI Table daily median score Civic & Public Life daily median score Learning & Exams daily median score Human Services daily median score Global Trade Desk daily median score Food, Events & Hospitality daily median score Commerce Shelf daily median score Content & Blogs daily median score Personal Pages daily median score Local Businesses daily median score Suspicious Gentlemen daily median score Daily average of category median scores Developer Corner daily median score 2026-09-01: Developer Corner median 80.02026-09-02: Developer Corner median 82.02026-09-03: Developer Corner median 82.02026-09-04: Developer Corner median 82.02026-09-05: Developer Corner median 83.02026-09-06: Developer Corner median 84.02026-09-07: Developer Corner median 82.02026-09-08: Developer Corner median 82.02026-09-09: Developer Corner median 84.02026-09-10: Developer Corner median 84.02026-09-11: Developer Corner median 82.02026-09-12: Developer Corner median 84.02026-09-13: Developer Corner median 83.02026-09-14: Developer Corner median 82.52026-09-15: Developer Corner median 82.02026-09-16: Developer Corner median 82.02026-09-17: Developer Corner median 82.02026-09-18: Developer Corner median 84.02026-09-19: Developer Corner median 82.02026-09-20: Developer Corner median 82.02026-09-21: Developer Corner median 82.0 Open 2026-09-01: 98% open across 111 published cards 2026-09-02: 100% open across 128 published cards 2026-09-03: 100% open across 107 published cards 2026-09-04: 99% open across 141 published cards 2026-09-05: 99% open across 149 published cards 2026-09-06: 100% open across 125 published cards 2026-09-07: 98% open across 125 published cards 2026-09-08: 99% open across 128 published cards 2026-09-09: 99% open across 105 published cards 2026-09-10: 99% open across 150 published cards 2026-09-11: 99% open across 131 published cards 2026-09-12: 99% open across 118 published cards 2026-09-13: 98% open across 121 published cards 2026-09-14: 99% open across 126 published cards 2026-09-15: 100% open across 122 published cards 2026-09-16: 100% open across 122 published cards 2026-09-17: 99% open across 108 published cards 2026-09-18: 98% open across 122 published cards 2026-09-19: 99% open across 117 published cards 2026-09-20: 100% open across 121 published cards 2026-09-21: 100% open across 134 published cards Login 2026-09-01: 22% login across 111 published cards 2026-09-02: 11% login across 128 published cards 2026-09-03: 13% login across 107 published cards 2026-09-04: 18% login across 141 published cards 2026-09-05: 21% login across 149 published cards 2026-09-06: 13% login across 125 published cards 2026-09-07: 14% login across 125 published cards 2026-09-08: 15% login across 128 published cards 2026-09-09: 8% login across 105 published cards 2026-09-10: 13% login across 150 published cards 2026-09-11: 14% login across 131 published cards 2026-09-12: 13% login across 118 published cards 2026-09-13: 21% login across 121 published cards 2026-09-14: 15% login across 126 published cards 2026-09-15: 10% login across 122 published cards 2026-09-16: 15% login across 122 published cards 2026-09-17: 13% login across 108 published cards 2026-09-18: 11% login across 122 published cards 2026-09-19: 16% login across 117 published cards 2026-09-20: 11% login across 121 published cards 2026-09-21: 9% login across 134 published cards $ Paid 2026-09-01: 28% paid across 111 published cards 2026-09-02: 27% paid across 128 published cards 2026-09-03: 32% paid across 107 published cards 2026-09-04: 26% paid across 141 published cards 2026-09-05: 24% paid across 149 published cards 2026-09-06: 30% paid across 125 published cards 2026-09-07: 26% paid across 125 published cards 2026-09-08: 29% paid across 128 published cards 2026-09-09: 30% paid across 105 published cards 2026-09-10: 23% paid across 150 published cards 2026-09-11: 19% paid across 131 published cards 2026-09-12: 27% paid across 118 published cards 2026-09-13: 36% paid across 121 published cards 2026-09-14: 20% paid across 126 published cards 2026-09-15: 30% paid across 122 published cards 2026-09-16: 30% paid across 122 published cards 2026-09-17: 28% paid across 108 published cards 2026-09-18: 27% paid across 122 published cards 2026-09-19: 26% paid across 117 published cards 2026-09-20: 23% paid across 121 published cards 2026-09-21: 24% paid across 134 published cards Ads 2026-09-01: 0% ads across 111 published cards 2026-09-02: 1% ads across 128 published cards 2026-09-03: 0% ads across 107 published cards 2026-09-04: 0% ads across 141 published cards 2026-09-05: 0% ads across 149 published cards 2026-09-06: 0% ads across 125 published cards 2026-09-07: 1% ads across 125 published cards 2026-09-08: 0% ads across 128 published cards 2026-09-09: 0% ads across 105 published cards 2026-09-10: 0% ads across 150 published cards 2026-09-11: 0% ads across 131 published cards 2026-09-12: 0% ads across 118 published cards 2026-09-13: 1% ads across 121 published cards 2026-09-14: 0% ads across 126 published cards 2026-09-15: 0% ads across 122 published cards 2026-09-16: 0% ads across 122 published cards 2026-09-17: 0% ads across 108 published cards 2026-09-18: 0% ads across 122 published cards 2026-09-19: 0% ads across 117 published cards 2026-09-20: 0% ads across 121 published cards 2026-09-21: 0% ads across 134 published cards * Pretty 2026-09-01: 100% pretty across 111 published cards 2026-09-02: 100% pretty across 128 published cards 2026-09-03: 100% pretty across 107 published cards 2026-09-04: 99% pretty across 141 published cards 2026-09-05: 99% pretty across 149 published cards 2026-09-06: 100% pretty across 125 published cards 2026-09-07: 100% pretty across 125 published cards 2026-09-08: 99% pretty across 128 published cards 2026-09-09: 100% pretty across 105 published cards 2026-09-10: 100% pretty across 150 published cards 2026-09-11: 99% pretty across 131 published cards 2026-09-12: 100% pretty across 118 published cards 2026-09-13: 99% pretty across 121 published cards 2026-09-14: 99% pretty across 126 published cards 2026-09-15: 99% pretty across 122 published cards 2026-09-16: 100% pretty across 122 published cards 2026-09-17: 99% pretty across 108 published cards 2026-09-18: 98% pretty across 122 published cards 2026-09-19: 100% pretty across 117 published cards 2026-09-20: 99% pretty across 121 published cards 2026-09-21: 99% pretty across 134 published cards Pro 2026-09-01: 91% pro across 111 published cards 2026-09-02: 92% pro across 128 published cards 2026-09-03: 94% pro across 107 published cards 2026-09-04: 94% pro across 141 published cards 2026-09-05: 94% pro across 149 published cards 2026-09-06: 96% pro across 125 published cards 2026-09-07: 98% pro across 125 published cards 2026-09-08: 95% pro across 128 published cards 2026-09-09: 96% pro across 105 published cards 2026-09-10: 99% pro across 150 published cards 2026-09-11: 95% pro across 131 published cards 2026-09-12: 95% pro across 118 published cards 2026-09-13: 97% pro across 121 published cards 2026-09-14: 96% pro across 126 published cards 2026-09-15: 94% pro across 122 published cards 2026-09-16: 97% pro across 122 published cards 2026-09-17: 94% pro across 108 published cards 2026-09-18: 98% pro across 122 published cards 2026-09-19: 97% pro across 117 published cards 2026-09-20: 92% pro across 121 published cards 2026-09-21: 97% pro across 134 published cards Niche 2026-09-01: 99% niche across 111 published cards 2026-09-02: 100% niche across 128 published cards 2026-09-03: 99% niche across 107 published cards 2026-09-04: 100% niche across 141 published cards 2026-09-05: 100% niche across 149 published cards 2026-09-06: 99% niche across 125 published cards 2026-09-07: 100% niche across 125 published cards 2026-09-08: 98% niche across 128 published cards 2026-09-09: 100% niche across 105 published cards 2026-09-10: 100% niche across 150 published cards 2026-09-11: 100% niche across 131 published cards 2026-09-12: 100% niche across 118 published cards 2026-09-13: 100% niche across 121 published cards 2026-09-14: 99% niche across 126 published cards 2026-09-15: 100% niche across 122 published cards 2026-09-16: 100% niche across 122 published cards 2026-09-17: 100% niche across 108 published cards 2026-09-18: 100% niche across 122 published cards 2026-09-19: 100% niche across 117 published cards 2026-09-20: 100% niche across 121 published cards 2026-09-21: 99% niche across 134 published cards Human 2026-09-01: 5% human across 111 published cards 2026-09-02: 6% human across 128 published cards 2026-09-03: 7% human across 107 published cards 2026-09-04: 9% human across 141 published cards 2026-09-05: 11% human across 149 published cards 2026-09-06: 9% human across 125 published cards 2026-09-07: 11% human across 125 published cards 2026-09-08: 2% human across 128 published cards 2026-09-09: 8% human across 105 published cards 2026-09-10: 7% human across 150 published cards 2026-09-11: 8% human across 131 published cards 2026-09-12: 10% human across 118 published cards 2026-09-13: 9% human across 121 published cards 2026-09-14: 12% human across 126 published cards 2026-09-15: 6% human across 122 published cards 2026-09-16: 9% human across 122 published cards 2026-09-17: 9% human across 108 published cards 2026-09-18: 7% human across 122 published cards 2026-09-19: 9% human across 117 published cards 2026-09-20: 6% human across 121 published cards 2026-09-21: 6% human across 134 published cards ! Risk 2026-09-01: 2% risk across 111 published cards 2026-09-02: 0% risk across 128 published cards 2026-09-03: 6% risk across 107 published cards 2026-09-04: 3% risk across 141 published cards 2026-09-05: 2% risk across 149 published cards 2026-09-06: 2% risk across 125 published cards 2026-09-07: 2% risk across 125 published cards 2026-09-08: 2% risk across 128 published cards 2026-09-09: 2% risk across 105 published cards 2026-09-10: 3% risk across 150 published cards 2026-09-11: 0% risk across 131 published cards 2026-09-12: 3% risk across 118 published cards 2026-09-13: 3% risk across 121 published cards 2026-09-14: 1% risk across 126 published cards 2026-09-15: 3% risk across 122 published cards 2026-09-16: 2% risk across 122 published cards 2026-09-17: 2% risk across 108 published cards 2026-09-18: 4% risk across 122 published cards 2026-09-19: 3% risk across 117 published cards 2026-09-20: 4% risk across 121 published cards 2026-09-21: 4% risk across 134 published cards ƒ JavaScript 2026-09-01: 22% javascript across 111 published cards 2026-09-02: 23% javascript across 128 published cards 2026-09-03: 22% javascript across 107 published cards 2026-09-04: 23% javascript across 141 published cards 2026-09-05: 22% javascript across 149 published cards 2026-09-06: 32% javascript across 125 published cards 2026-09-07: 28% javascript across 125 published cards 2026-09-08: 21% javascript across 128 published cards 2026-09-09: 22% javascript across 105 published cards 2026-09-10: 21% javascript across 150 published cards 2026-09-11: 20% javascript across 131 published cards 2026-09-12: 20% javascript across 118 published cards 2026-09-13: 26% javascript across 121 published cards 2026-09-14: 21% javascript across 126 published cards 2026-09-15: 14% javascript across 122 published cards 2026-09-16: 30% javascript across 122 published cards 2026-09-17: 26% javascript across 108 published cards 2026-09-18: 18% javascript across 122 published cards 2026-09-19: 21% javascript across 117 published cards 2026-09-20: 26% javascript across 121 published cards 2026-09-21: 24% javascript across 134 published cards
Developer Corner14 other categoriesDaily category averageScore axis 70–85Signal share0–100%

The rolling 21-day upper threads compare daily category medians; the bold thread is Developer Corner. Below, signal colour shows the share of that day’s published Developer Corner cards carrying each mark.

What moves with an 80+ score

4,195 high-interest cards
Signal prevalence among Developer Corner cards scoring 80 or higher Percentage-point difference between each signal’s prevalence across this category and among the category’s cards with an editorial-interest score of 80 or higher. Open: 56% across all Developer Corner cards and 84% among cards scoring 80+, a +28 pp difference. Open 56% → 84% +28 pp +28 pp Login: 44% across all Developer Corner cards and 21% among cards scoring 80+, a -24 pp difference. Login 44% → 21% -24 pp -24 pp Paid: 34% across all Developer Corner cards and 24% among cards scoring 80+, a -10 pp difference. $ Paid 34% → 24% -10 pp -10 pp Ads: 0% across all Developer Corner cards and 0% among cards scoring 80+, a 0 pp difference. Ads 0% → 0% 0 pp 0 pp Pretty: 91% across all Developer Corner cards and 99% among cards scoring 80+, a +8 pp difference. * Pretty 91% → 99% +8 pp +8 pp Pro: 47% across all Developer Corner cards and 99% among cards scoring 80+, a +52 pp difference. Pro 47% → 99% +52 pp +52 pp Niche: 94% across all Developer Corner cards and 99% among cards scoring 80+, a +5 pp difference. Niche 94% → 99% +5 pp +5 pp Human: 4% across all Developer Corner cards and 9% among cards scoring 80+, a +5 pp difference. Human 4% → 9% +5 pp +5 pp Risk: 2% across all Developer Corner cards and 1% among cards scoring 80+, a -1 pp difference. ! Risk 2% → 1% -1 pp -1 pp JavaScript: 24% across all Developer Corner cards and 23% among cards scoring 80+, a -1 pp difference. ƒ JavaScript 24% → 23% -1 pp -1 pp

This exposes association inside the published catalogue, not causation or site quality. The 80+ threshold is the pipeline’s editorial-interest score.