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MCP verified MIT Self-run

Bitcoin Card

mcp-zartyblartfast-bitcoin-card · by zartyblartfast

Open-source MCP server exposing verified Bitcoin data (price, fees, block height, network stats) to AI coding assistants like Claude Code, Cursor, and Cline.

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Install

$ agentstack add mcp-zartyblartfast-bitcoin-card

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

AgentStack Verified badge Links to your public security report.
[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/mcp-zartyblartfast-bitcoin-card)

Reliability & compatibility

✓ Security review passed
0 installs to date
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● 3mo ago

Declared compatibility

Claude CodeClaude DesktopCursorWindsurf

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Bitcoin Card

Trustworthy Bitcoin data, embedded anywhere.

v1: Agent Channel (MCP Server)

See packages/mcp-server/.

The MCP server is the v1 surface of the Bitcoin Card product. The future visual widget (v2) will share the same data layer (packages/data).

Status

🚧 v0.1.0 in development.

Tooling

  • TypeScript 5.5+, strict, ESM
  • pnpm workspaces + Turborepo
  • Vitest + msw for tests
  • @modelcontextprotocol/sdk for the MCP transport
  • zod for runtime validation

Quick start

pnpm install
pnpm -r build
pnpm -r test

Architecture

+-------------------+         +-------------------+
|   MCP transport   |  uses   |   packages/data   |
| (mcp-server pkg)  | -------> |  (pure functions) |
+-------------------+         +-------------------+
        |                              |
        v                              v
   AI assistant               mempool.space, Coinbase,
   (stdio)                    Kraken, Blockstream

License

MIT - see LICENSE.

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.

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