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Blockcypher MCP server

by mrfentmen·io.github.mrfentmen/blockcypher-mcp·v1.0.1
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Blockchain explorer for BTC, ETH, LTC, DOGE: block info, address balance, transaction details.

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.

Blockcypher tools (3)

write = sends, deletes, buys or posts

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

  • address_balance

    Get address balance for a coin.

  • block_info

    Get block details.

  • tx_info

    Get transaction details.

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 Blockcypher 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
3
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: 2 read · 1 create

Install Blockcypher in Claude Code, Cursor or VS Code

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

claude mcp add blockcypher-mcp -- npx -y blockcypher-mcp
Add to Cursor

Blockcypher: common questions

Is Blockcypher MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Blockcypher safety report
How do I install Blockcypher?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Blockcypher need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Blockcypher maintained?
The latest release is v1.0.1.
How does Blockcypher compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,114 servers); tools 3 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.