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Claude Code Explorer MCP server

by nirholas·io.github.nirholas/claude-code-explorer-mcp·v1.1.0·6.2k stars
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Explore the Claude Code CLI source — browse tools, commands, search code, and more.

A92/100grade A
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Safety scan
A92/100

full report

Adoption
Established

6.2k stars64 downloads/wk

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Claude Code Explorer MCP tools (8)

write = sends, deletes, buys or posts

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

  • get_architecture

    Get a high-level architecture overview of Claude Code.

  • get_command_source

    Read the source code of a specific Claude Code slash command.

  • get_tool_source

    Read the full source code of a specific Claude Code tool implementation.

  • list_commands

    List all Claude Code slash commands (/commit, /review, /mcp, etc.) with their source files.

  • list_directory

    List files and subdirectories under src/.

  • list_tools

    List all Claude Code agent tools (BashTool, FileReadTool, etc.) with their source files.

  • read_source_file

    Read any source file from the Claude Code src/ directory by relative path.

  • search_source

    Search for a regex pattern across the Claude Code source. Returns matching lines with paths and line numbers.

Public scan report

scanner v0.1.10 · 2026-11-12 · same rubric, same numbers if you re-run it

no findings
  • Code scan11 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
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Claude Code Explorer MCP compares

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

Safety score
92/100
higher than 90% of 3,443 Web search servers
Tools
8
the typical Web search server has 5
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
6,229
more than 96% of 1,781 Web search servers
Downloads a week
64
more than 36% of 994 Web search servers with a package

What its tools let an agent do: 8 read

Install Claude Code Explorer MCP in Claude Code, Cursor or VS Code

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

claude mcp add claude-code-explorer-mcp -- npx -y claude-code-explorer-mcp
Add to Cursor

What the publisher says

From the Claude Code Explorer MCP repository's README, as published. We do not edit it. Read it on GitHub

Fresh Start

This is the repository formerly known as nirholas/claude-code, the most widely forked mirror of the Claude Code source leak of 31 March 2026. It is the same repository object, so github.com/nirholas/claude-code still redirects here.

It contains no Anthropic source code, and it will not. The contents were removed after Anthropic's DMCA notice. That notice has not been retracted.

Read this instead

HISTORY.md is the full record: what leaked and how, what the DMCA did and did not cover, and the correction that still needs making.

The short version of the correction: Claude Code has never contained a cryptocurrency wallet or an autonomous payment system. The x402 payment code that circulated with copies of this leak was mine. I wrote it, on top of the leaked tree, while building a project of my own. It was not Anthropic's and it was not in the leak. Several popular writeups still report it as an undocumented Anthropic feature. HISTORY.md shows three independent ways to verify that it is not, and gives a complete accounting of every file I changed.

If you are auditing a copy of the leak you already hold, grep -r x402 src/ is the test.

Do not run copies of the leak

The leaked tree imports internal packages that do not exist on the public npm registry, and squatters publish malicious packages under exactly those names. Installing dependencies from any copy of this codebase can execute arbitrary code on your machine. There were also genuinely trojanized "Claude Code leak" repositories in circulation in April 2026, documented by Zscaler ThreatLabz, distributing Vidar and GhostSocks through a Windows executable. Use the official Claude Code CLI from Anthropic.

License

All rights reserved. See LICENSE.

Nothing above is checked by us. What we check is on the safety report.

Claude Code Explorer MCP: common questions

Is Claude Code Explorer MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Claude Code Explorer MCP safety report
How do I install Claude Code Explorer MCP?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Claude Code Explorer MCP need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Claude Code Explorer MCP maintained?
The last commit was 4 days ago (2026-11-11). The latest release is v1.1.0.
What can I use instead of Claude Code Explorer MCP?
Servers from other publishers that do the same job: Reddit Buddy MCP server, AIHOT MCP server and Eur Lex MCP server.
How does Claude Code Explorer MCP compare with other Web search MCP servers?
safety score 92/100 (higher than 90% of 3,443 Web search servers); tools 8 (the typical Web search server has 5); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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