Fatstack’s Pay-Per-Call Tool Market
Fatstack lets AI agents discover and pay for API and MCP tool calls individually with USDC on Base.
Issue 2026-08-24Search the complete card catalogue
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Fatstack lets AI agents discover and pay for API and MCP tool calls individually with USDC on Base.
A searchable archive of discontinued products and features, catalogued by company, category, year, and reason for death.
A handcrafted range of tiny, finger-driven Formula-style race cars, plus a free browser game and custom-build requests.
A public dashboard showing live temperature and flow readings for 16 named New York waters, alongside historical gauge context and stocking data.
A Stockholm composer and sound designer’s portfolio for theatre, games, films, orchestras, and experimental audio work.
A free browser game about walking through strange, character-led worlds and using one pair of hands to heal their inhabitants.
A comic damage-assessment desk for people who have forced a fart in a car, at work, on a date, or during yoga.
A Bari workshop sells handmade 3D-printed keychains, fidget clickers, and practical objects for the home.
A free Spanish-language chemistry tool that converts names to formulas and formulas to names, with step-by-step reasoning across three nomenclatures.
A picture-vocabulary app where learners tap photographs, hear words spoken, and practice them across 16 languages.
A browser-based freight calculator that handles multiple pallets, pallet-aware dimensions, density classes, and class breakpoints.
An independent wiki tracks Frostrail’s closed-beta quests, co-op problems, weapons, recipes, items, and train systems.
An offline-first race-management platform for tactical biathlon and run-and-gun events.
Free browser-based tools diagnose GEDCOM upload failures and extract smaller, usable family-tree files.
A virtual 923-kilometre bike ride from Tuktoyaktuk to Dawson City, designed for people living with Parkinson’s and anyone who wants to ride along.
An offline Windows app that lets people search personal photo libraries with natural language, faces, places, moods, duplicates, and text found inside images.
An offline irrigation controller that waters according to soil thirst, weather, and bed-level conditions rather than a fixed timer.
A pre-1.0 binary-analysis toolkit with a Rust core, Python API, provenance-aware SQLite projects, and optional agent workflows.
A repo-to-market validation service that tests a working app with landing pages, paid traffic, and real payment data.
A free browser game where digging makes you longer, and your growing body becomes a wall that can cut off rivals.
Upload a delivery checkout screenshot and get a breakdown of fees, hidden markups, and the likely price of the same items outside the app.
A free, browser-based mechanical puzzle game where players build and share solutions for making nine products from a fixed pool of reagents.
A browser-based Greek mythology adventure sends players across islands to fight legendary creatures, recruit gods, recover relics, and save Greece.
An independent GTA 6 guide and database that separates confirmed information, direct observations, reports, and rumors.