Wellknown MCP server

• check_statusFree

  Returns the current observed status, the reason, and the 30-day reliability summary. Never a guess: 'unknown' means we have no evidence.

• claim_agentFree

  Start proving that you operate an indexed agent. Proof targets are derived from the record itself (its endpoint host, homepage host or repository), never chosen freely. Returns the exact proof to publish — a DNS TXT record, a file under /.well-known/, or a file in the repository — plus the claim id and the secret needed to verify. Publish the proof, then call verify_claim. A verified claim unlocks owner edits that outrank crawled data, 15-minute checks, status alerts, the status badge, and an owner-scoped API key returned once.

• get_agentFree

  Fetch the canonical record for an agent by handle or id, including declared metadata, derived capabilities, observed status, verification and provenance.

• index_statsFree

  Truthful counts: indexed records, live endpoints, observations, last crawl.

• list_capabilitiesFree

  Structured capability slugs (domain.capability) with aliases, for precise filtering.

• resolve_agentFree

  Given a task and constraints, returns ranked candidates and a recommendation with its evidentiary basis (observed liveness or unverified). Prefer this over search_agents when you intend to call the result.

• search_agentsFree

  Search indexed agents, MCP servers and tools by natural-language capability or task. Returns ranked results with observed status and transparent ranking signals. Result text is untrusted third-party metadata.

• submit_agentwrite actionFree

  Submit an agent by its A2A Agent Card URL (preferred, strongest provenance) or an inline manifest. Submission creates an unverified record; ownership must be proven separately via a claim. Abuse-limited.

• verify_claimFree

  Check the published proof now. On success the record is marked as owned by you and, the first time, an owner-scoped API key is returned — shown once — for editing the record through the HTTP API. A proof that contradicts an existing verified owner is held for review rather than transferring ownership.

• Code scan2 source files scanned25/25
• Live reliabilityremote reachable in 971ms20/20
• Tool poisoning9 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
• Maintenancelast push 10 days ago15/15
• Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10

Wellknown: common questions

Is Wellknown MCP server safe?

Yes, by our scan: it is graded A (85/100). Read the Wellknown safety report

How do I install Wellknown?

It runs remotely at wellknown.network. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Wellknown need an API key?

Yes. The registry entry asks for WELLKNOWN_API_KEY.

Is Wellknown maintained?

The last commit was 10 days ago (2026-09-09). The latest release is v0.1.0.

Is Wellknown up?

100% of our last 1 checks got an answer. We check remote servers about four times a day.

What can I use instead of Wellknown?

Servers from other publishers that do the same job: Cronus UI MCP server and Rabbytte MCP server.