mcpsnoop
View on GitHubWireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal.
A transparent MCP proxy and terminal UI that captures real client-server JSON-RPC traffic. Inspect calls live, diagnose protocol and tool errors, replay or export sessions, and validate captures in CI.
Use Cases
Inspect live MCP traffic between an AI client and serversDebug missing, malformed, or hung tool callsDetect tool definition drift and routing mismatchesGate MCP sessions in CIExport or replay captured MCP sessionsMonitor tool-call latency and errors with Prometheus
Built With
- Language
- Go
- Frameworks
- Bubble Tea · Cobra
Tags
MCP · proxy · debugging · JSON-RPC · terminal UI · traffic inspection · CI · session replay · Prometheus