Observed arrival · 2026-08-28

Grist: Five Tiny HTTP Utilities for Agents

grist.tools Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

A paid-per-call set of deterministic web utilities for AI agents, covering DNS, page extraction, robots.txt, sitemaps, and URL redirects.

Landing page captured for the 2026-08-28 issue.

Field notes

The public workflow exposes a 402 response before execution, followed by a signed retry and a structured 200 response. Its catalogue separates five bounded operations, including sitemap flattening with lastmod, changefreq, and priority fields, plus redirect tracing that returns every hop. The page also publishes OpenAPI, x402 discovery, crawler guidance, and a machine-readable index, giving agents several ways to discover the service without relying on a dashboard.

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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