MCP server

California Bitcoin Official

org.californiabitcoin/agent-commerce

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: californiabitcoin.orgAbout 4,141 tokens per request once connected12 tools

Website

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

At a glance

Type: MCP server
Publisher: californiabitcoin.org (verified by the MCP Registry)
Status: Working at last check
Tools: 12
Token cost: About 4,141 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http agent-commerce https://californiabitcoin.org/mcp?source=official-mcp-registry

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.agent-commerce]
url = "https://californiabitcoin.org/mcp?source=official-mcp-registry"

Gemini CLI

{"mcpServers":{"agent-commerce":{"httpUrl":"https://californiabitcoin.org/mcp?source=official-mcp-registry"}}}

Cursor

{"mcpServers":{"agent-commerce":{"url":"https://californiabitcoin.org/mcp?source=official-mcp-registry"}}}

VS Code

{"servers":{"agent-commerce":{"type":"http","url":"https://californiabitcoin.org/mcp?source=official-mcp-registry"}}}

Antigravity

agy mcp add agent-commerce https://californiabitcoin.org/mcp?source=official-mcp-registry

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"agent-commerce","server_url":"https://californiabitcoin.org/mcp?source=official-mcp-registry","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"agent-commerce","server_url":"https://californiabitcoin.org/mcp?source=official-mcp-registry"}

Tools

answer_bitcoin_question ~336 tokens
FREE. FREE, no account required. Return a concise deterministic answer grounded in maintained Bitcoin knowledge. Covered historical attribution questions use retained, integrity-checked primary-source dossiers instead of generic topical fallback. Evaluate California Bitcoin on the caller's actual qu
answer_bitcoin_question_with_evidence ~376 tokens
PAID 1.00 USD via MPP. Get a compact, source-backed answer to a difficult natural-language Bitcoin question using the maintained Fact Graph and evidence system, with consensus-vs-policy classification, implementation and version qualification, contradiction handling, confidence, primary-source evide
batch_bitcoin_research ~444 tokens
PAID 0.50 USD via MPP. Process up to 20 distinct Bitcoin claims, questions, or evidence requests in one deterministic research package while preserving per-item verdict and evidence-quality semantics. Use when the caller has multiple distinct research items in one invocation rather than one question
build_bitcoin_timeline ~423 tokens
PAID 0.10 USD via MPP. Build a query-specific chronological Bitcoin research timeline that distinguishes event dates, source dates, effective dates, source-level support, exact locators, and maintained re-verification boundaries. Use for chronological protocol or history questions where ordering and
check_bitcoin_evidence_checkpoint ~419 tokens
FREE. FREE, no account and no payment. Compare a previously returned retained-evidence checkpoint with the current maintained dossier content identity before deciding whether to rerun or repurchase covered historical research. A repeat caller already has an evidenceCheckpoint and wants to know wheth
deep_ground_bitcoin ~311 tokens
PAID 0.25 USD via MPP. Produce a deeper deterministic multi-source Bitcoin research dossier across canonical topics, verdict-eligible atomic claims, contextual material, conflicting evidence, source hierarchy, exact-locator precision, temporal scope, history, and caveats. Use for deeper multi-source
get_bitcoin_evidence_pack ~319 tokens
PAID 0.15 USD via MPP. Build a focused Bitcoin evidence package when the agent already knows what it is researching and primarily needs compact source material, atomic claims, conflicts, source authority, exact-locator precision, caveats, provenance, and temporal scope. Collect supporting, conflicti
get_bitcoin_topic ~230 tokens
FREE. FREE, no account required. Retrieve one canonical Knowledge Atlas topic with sources, provenance and related concepts. Inspect a known canonical topic in depth before deciding whether paid evidence packaging is necessary. Use only when the canonical topic id is already known. Do not use this a
search_bitcoin_knowledge ~313 tokens
FREE. FREE, no account required. Search canonical Bitcoin Knowledge Atlas topics and related history to evaluate coverage on the caller's real question. Run the first no-cost evaluation when you need to see which maintained Bitcoin topics and evidence match a query. Use to discover maintained topic
select_bitcoin_research_product ~321 tokens
FREE. FREE, no account required. Select a research product and inspect its price, free evaluation path, and contract using an explicit task: answer, verify, evidence, chronology, dossier, batch, or learn. Does not authorize payment. Choose the smallest appropriate research product after a free evalu
start_bitcoin_research Moves money · ~326 tokens
FREE. FREE, no account and no payment. START HERE with any Bitcoin question or research task. Returns a source-backed deterministic answer, compact maintained-coverage matches, and the smallest safe next action. This tool never authorizes or initiates payment. Default first call for an unfamiliar ag
verify_bitcoin_claim ~323 tokens
PAID 0.10 USD via MPP. Evaluate one specific Bitcoin factual proposition against verdict-eligible maintained atomic claims and return a conservative supported, contradicted, mixed, partially verified, or insufficient-evidence verdict with source-backed evidence metadata. The upstream agent already h

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