io.github.debugmcp/mcp-debugger is an MCP server that step-through debugging for AI agents: breakpoints, stepping and live variables in nine languages. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 40/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients - only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"mcp-debugger": {
"args": [
"C:/path/to/mcp-debugger/dist/index.js",
"stdio",
"--log-level",
"debug",
"--log-file",
"C:/path/to/logs/debug-mcp-server.log"
],
"command": "node",
"disabled": false,
"autoApprove": [
"create_debug_session",
"set_breakpoint",
"get_variables"
]
}
}
}Are you the author?
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What io.github.debugmcp/mcp-debugger does
A headless, agentic debugger over MCP — let your AI agents debug running programs in nine languages.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y '@debugmcp/mcp-debugger' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories - click any category to see the underlying evidence.
Score breakdown
40/100across 5 weighted dimensions
0255075100
19
11
10
−60
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked @debugmcp/mcp-debugger against OSV.dev.
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Frequently Asked Questions
- Is io.github.debugmcp/mcp-debugger safe to use?
- io.github.debugmcp/mcp-debugger has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment.
- How do I install io.github.debugmcp/mcp-debugger?
- io.github.debugmcp/mcp-debugger supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with io.github.debugmcp/mcp-debugger?
- io.github.debugmcp/mcp-debugger is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
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