Agentic web & MCP registries

StealthStackCrawler

Crawler for StealthStack, 'the index of the agentic web', which crawls Agentic Resource Discovery (ARD) catalogs and indexes the skills, MCP servers, A2A agents and catalogs they publish (about 48.9k resources from 4.8k domains as of 2026-10-22). It identifies itself with did:web:stealthstack.ai, whose DID document resolves at stealthstack.ai.

Dossier

Operator: StealthStack
Documentation: None published
robots.txt token: None documented
Feeds: registry / directory
Follows robots.txt: Not documentedNo crawler documentation found; robots behaviour not stated.
How to verify: No published methodstealthstack.ai
Names in our logs: stealthstackcrawler
Researched: 23 Oct 2026

Observed on New Runtime

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

Requests: 13
Days active: 5 / 93
First seen: 4 Oct 2026
Last seen: 22 Oct 2026

Returningother_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

stealthstack.aistealthstack.ai/
stealthstack.aistealthstack.ai/.well-known/did.json