Agentic web & MCP registries

BrickBlueBot

Crawler for brick.blue's registry of agents and tools. It reads DNS TXT (_agent/_mcp), .well-known agent/MCP cards, llms.txt, openapi.json and agents.json, runs MCP initialize and tools/list (plus up to three no-argument tools/call on read-only-looking tools), and reads x402 402 responses without paying.

Dossier

Operator: brick.blue
Documentation: brick.blue
robots.txt token: BrickBlueBot
Feeds: registry / directory
Follows robots.txt: Partly, per its documentationDocs: robots.txt governs content fetches (llms.txt, openapi.json, pages) but not discovery documents (.well-known files, agent cards, MCP handshake).
How to verify: No published method
Names in our logs: brickbluebot
Researched: 23 Oct 2026

Observed on New Runtime

Baseline 2026-10-23 · 93-day window · loading live numbers…

Requests: 355
Days active: 20 / 93
First seen: 26 Sept 2026
Last seen: 23 Oct 2026

Regularother_bot

Daily requests across the observed window, square-root scale.

Identity check claimed vs verified

No per-family identity check is published for this reader; its name is a claim.

What it reads crawler journeys · current window

The crawler-journeys aggregate tracks reading depth for the busiest named crawlers only; this family is not among them.

Sources

brick.bluebrick.blue/
brick.bluebrick.blue/bot
apis.ioapis.io/providers/brick-blue/