Skip to content MCP HeartbeatTHE MCP OBSERVATORY

Public workspace

Explore

Directory Categories Tools Connect Methodology Submit

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

Home
21btc.cc Bitcoin Data
Claim

Claim this listing

21btc.cc Bitcoin Data. After you submit, put the verification token on the endpoint domain or in the GitHub repository, then press Verify.

NameEmailRoleMessage, optional

Company website

The email is stored so we can match the claim. It is not shown on the public listing.

MCP Heartbeat

Connect Methodology Privacy Terms

These figures are automated measurements with timestamps. They are not a review, rating, grade, or recommendation.

Catalog metadata: Official MCP Registry, CC0. MCP Heartbeat is not the Official MCP Registry.