MCP REST
Exposes a SSE MCP server as a rest endpoints for tools. Only for testing
ivanboring
README
MCP REST
A REST API wrapper around the Model Context Protocol (MCP) client.
This is so you can play around with MCP without having to have a constant connection up and running.
Just for testing, not to use for real.
Installation
# Install globally
npm install -g mcp-rest
# Or use with npx
npx mcp-rest
Usage
npx mcp-rest [options]
Options
Option | Description | Default |
---|---|---|
-t, --type <type> |
Connection type: "sse" | sse |
-u, --url <url> |
SSE server URL (for sse type) | http://localhost:8000/sse |
-p, --port <port> |
Express server port | 3000 |
-d, --debug |
Enable debug logging | false |
-h, --help |
Display help | |
-V, --version |
Display version |
Examples
SSE Mode
# Connect to SSE server at default URL
npx mcp-rest
# Connect to custom SSE server and port
npx mcp-rest --type sse --url http://localhost:9000/sse --port 4000
API Endpoints
Endpoint | Method | Description |
---|---|---|
/status |
GET | Check connection status |
/tools |
GET | List all available tools |
/tools/:toolId |
POST | Call a specific tool with arguments |
Example API Usage
# Get connection status
curl http://localhost:3000/status
# List all available tools
curl http://localhost:3000/tools
# Call a tool
curl -X POST http://localhost:3000/tools/exampleTool \
-H "Content-Type: application/json" \
-d '{"arguments": {"param1": "value1"}}'
Troubleshooting
If you encounter connection issues:
- Use the
--debug
flag to see detailed logs - Check the
/status
endpoint to verify connection status - Ensure your MCP server/process is running and accessible
License
MIT
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