402index MCP Server is an MCP server that search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io. Its tool list has not been published yet over stdio and http, requires no API key, and scores 45/100 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, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"402index": {
"command": "mcp-server"
}
}
}Are you the author?
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What 402index MCP Server does
Search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring.
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 '@402index/mcp-server' 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
45/100across 5 weighted dimensions
0255075100
23
8
10
−55
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked @402index/mcp-server against OSV.dev.
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Frequently Asked Questions
- Is 402index MCP Server safe to use?
- 402index MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install 402index MCP Server?
- 402index MCP Server 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 402index MCP Server?
- 402index MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
- Is 402index MCP Server actively maintained?
- 402index MCP Server is less actively maintained — last commit was 125 days ago. It has 3 GitHub stars.
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