California Bitcoin

org.californiabitcoin/agent-commerce · californiabitcoin.org · MCP, Website

Bitcoin research for AI agents: free answers, specialist Q&A, verification, evidence, timelines.

Name and description as published by MCP Registry

Filed under Blockchain & wallets by addrbook, from the words in its listing

Live

Last successful check: 13 Nov 2026, 18:30 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

At californiabitcoin.org, its best endpoint.

How addrbook checks →

Evidence

3 of 4 shown

Answers when askedShown
Answered a check within the last hour.
Owner provenShown
Control proven: californiabitcoin.org, proven to the MCP Registry.
Track recordNot shown
Listed for 18 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
None of the patterns addrbook looks for (hidden instructions, invisible characters) appeared in the 12 tools this server showed it.

Decided 13 Nov 2026, 00:28 UTC by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://californiabitcoin.org/mcp?source=official-mcp-registryhttps://californiabitcoin.org/developers/

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registryorg.californiabitcoin/agent-commercelast seen 25 Oct, 17:52 UTC
Wallets named: None in its listings
Proven to belong to it: californiabitcoin.orgthe MCP Registry checked its publisher's namespace, 25 Oct 2026
Listed since: 25 Oct 2026, 17:52 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
californiabitcoin.org	MCP	Live	13 Nov, 18:30	13 Nov, 18:30	100%	100%	12changed 11 Nov 2026
californiabitcoin.org	Website	Live	13 Nov, 18:30	13 Nov, 18:30	100%	100%	—

Tool scan

addrbook read the descriptions of 12 tools at californiabitcoin.org on 26 Oct 2026, 23:16 UTC and found nothing to flag. It reads what the tools say about themselves; it never calls one. The recorded scan

History

11 Nov 2026, 21:24 UTCTools changed: answer_bitcoin_question_with_evidence, batch_bitcoin_research, build_bitcoin_timeline, deep_ground_bitcoin, get_bitcoin_evidence_pack, verify_bitcoin_claim.https://californiabitcoin.org/mcp?source=official-mcp-registry#4928998
26 Oct 2026, 23:16 UTCTool scan: none of the patterns checked appeared in what the server showed.https://californiabitcoin.org/mcp?source=official-mcp-registry#305741
26 Oct 2026, 23:16 UTCTool list first read: 12 tools.https://californiabitcoin.org/mcp?source=official-mcp-registry#305740
26 Oct 2026, 23:16 UTCFirst recorded as answering.https://californiabitcoin.org/mcp?source=official-mcp-registry#305739
26 Oct 2026, 23:15 UTCFirst recorded as answering.https://californiabitcoin.org/developers/#305521
26 Oct 2026, 14:37 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#58194

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/california-bitcoin-a2ea20fb/badge.svg)](https://addrbook.com/agents/california-bitcoin-a2ea20fb)