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Blockchain MCP server

by mrfentmen·io.github.mrfentmen/blockchain-mcp·v1.0.1
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Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...

C65/100grade C
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Safety scan
C65/100

full report

Adoption
Not measured yet

Usage numbers are collected on the next scan

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If you have run it, two minutes of your experience saves the next person an afternoon.

Blockchain tools (4)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • address_info

    Get info about a Bitcoin address.

  • block_info

    Get info about a Bitcoin block by height.

  • fee_estimates

    Get recommended Bitcoin transaction fee rates.

  • latest_height

    Get the latest Bitcoin block height.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • Code scan5 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Blockchain compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,114 servers
Tools
4
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break

What its tools let an agent do: 3 read · 1 create

Install Blockchain in Claude Code, Cursor or VS Code

Runs npx -y @mrfentmen/blockchain-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add blockchain-mcp -- npx -y @mrfentmen/blockchain-mcp
Add to Cursor

Blockchain: common questions

Is Blockchain MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Blockchain safety report
How do I install Blockchain?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Blockchain need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Blockchain maintained?
The latest release is v1.0.1.
How does Blockchain compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,114 servers); tools 4 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.