The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
MCP Probe
A Model Context Protocol (MCP) client library and debugging toolkit in Rust. This foundation provides both a production-ready SDK for building MCP integrations and the core…
Install
$
cargo install mcp-cliInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →🔍 MCP Probe - Advanced MCP Protocol Debugger & Interactive Client
MCP Probe is a powerful Terminal User Interface (TUI) for debugging, testing, and interacting with Model Context Protocol (MCP) servers. It provides an intuitive, feature-rich alternative to command-line MCP inspectors with real-time protocol analysis, capability discovery, and interactive tool execution.
┌─────────────────────────────────────────────────────────────────────────────────┐
│ 🔍 MCP PROBE ARCHITECTURE │
├─────────────────────────────────────────────────────────────────────────────────┤
│ │
│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │
│ │ 🖥️ TUI │ │ 🔌 Transport │ │ 🔧 MCP Server │ │
│ │ Interface │◄──►│ Layer │◄──►│ (Any impl.) │ │
│ │ │ │ │ │ │ │
│ │ • Capabilities │ │ • HTTP/SSE │ │ • Tools (373+) │ │
│ │ • Search │ │ • WebSocket │ │ • Resources │ │
│ │ • Response View │ │ • STDIO │ │ • Prompts │ │
│ │ • Debugging │ │ • TCP │ │ │ │
│ └─────────────────┘ └─────────────────┘ └─────────────────┘ │
│ │ │ │ │
│ ▼ ▼ ▼ │
│ ┌─────────────────────────────────────────────────────────────────────────────┤
│ │ 📊 REAL-TIME PROTOCOL ANALYSIS │
│ │ • Message Tracing • Session Management • Error Detection │
│ │ • JSON Validation • Response Formatting • Performance Metrics │
│ └─────────────────────────────────────────────────────────────────────────────┘
│ │
└─────────────────────────────────────────────────────────────────────────────────┘
🚀 Why MCP Probe?
vs. Traditional MCP Inspector Tools
| Feature | Traditional CLI Tools | MCP Probe TUI |
|---|---|---|
| Capability Discovery | Manual JSON parsing | 🎯 Interactive browsing with search |
| Tool Execution | Complex curl commands | 🖱️ Point-and-click with parameter forms |
| Response Analysis | Raw JSON dumps | 📊 Multi-format viewer (Tree/Summary/Raw) |
| Error Debugging | Scattered logs | 🔍 Centralized error tracking with suggestions |
| Session Management | Stateless commands | 💾 Persistent sessions with history |
| Multi-Transport | Single transport focus | 🔌 HTTP/SSE, WebSocket, STDIO, TCP support |
| Real-time Monitoring | Snapshot-based | ⚡ Live protocol stream analysis |
Key Advantages
Similar plugs
Reverse engineer anything with agents, from app behavior down to native binaries.
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype…
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)