MCP CLI Endpoint

What: HTTP REST API server for external tools to interact with Claude Code's MCP servers programmatically. How to use:

# Enable the endpoint (enabled by default when Claude Code is running)
# External tools can make requests to localhost with bearer token auth

# Example: List available MCP servers
curl -X POST http://127.0.0.1:<port>/mcp \
  -H "Authorization: Bearer <secret>" \
  -H "Content-Type: application/json" \
  -d '{"command": "servers"}'

# Example: Call an MCP tool
curl -X POST http://127.0.0.1:<port>/mcp \
  -H "Authorization: Bearer <secret>" \
  -d '{"command": "call", "params": {"server": "myserver", "tool": "mytool", "args": {}}}'

Details:

• Supports commands: servers, tools, info, call, grep, resources, read
• Bearer token authentication with 32-byte random secret
• Localhost-only binding for security
• Endpoint info stored in ~/.claude/<workspace>.endpoint
• Can be disabled via ENABLE_MCP_CLI_ENDPOINT=false environment variable
• Evidence: class hX0 at line 515880 in v2.0.50