Mcpsnoop – Wireshark for MCP (transparent proxy and live TUI)
Wireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal. - kerlenton/mcpsnoop
Mcpsnoop – Wireshark for MCP (transparent proxy and live TUI) launched on July 3, 2026 with 64 votes, #580 of 24,623 launches that month and more than 95% of that year's launches.
In plain words
Mcpsnoop is a transparent proxy and live terminal user interface tool designed to monitor Model Context Protocol (MCP) communications. It functions similarly to Wireshark but specifically for MCP traffic, allowing users to inspect and analyze protocol exchanges in real-time. The tool captures network activity transparently without requiring application modifications, making it useful for developers debugging MCP integrations, understanding protocol behavior, or troubleshooting communication issues between MCP clients and servers.
written from the facts on this page · September 2026
Does a similar job
all alternatives →- MTMCPShark – Traffic Inspector for Model Context ProtocolDec 2025 · ▲37
https://github.com/mcp-shark/mcp-shark Site: https://mcpshark.sh/ I built MCPShark, a traffic inspector for the Model Context Protocol (MCP). It sits between your editor/LLM client and MCP servers so you can: • See all MCP traffic (requests, responses, tools, resources) in one place • Debug sessions when tools don’t behave as expected • Optionally run “Smart Scan” checks to flag risky tools / configs

- MVMCPShark Viewer (VS Code/Cursor extension)- view MCP traffic in-editorDec 2025 · ▲28
A few days ago I posted MCPShark (a traffic inspector for the Model Context Protocol). I just shipped a VS Code / Cursor extension that lets you view MCP traffic directly in the editor, so you’re not jumping between terminals, logs, and "I think this is what got sent". VS Code Marketplace: https://marketplace.visualstudio.com/items?itemName=MCPShark... Main repo: https://github.com/mcp-shark/mcp-shark Feature requests / issues: https://github.com/mcp-shark/mcp-shark/issues Site: https://mcpshark.sh/ If…
MCP-Shield – Detect security issues in MCP servers2025 · github.com · ▲134I noticed the growing security concerns around MCP (https://news.ycombinator.com/item?id=43600192) and built an open source tool that can detect several patterns of tool poisoning attacks, exfiltration channels and cross-origin manipulations. MCP-Shield scans your installed servers (Cursor, Claude Desktop, etc.) and shows what each tool is trying to do at the instruction level, beyond just the API surface. It catches hidden instructions that try to read sensitive files, shadow other tools' behavior, or exfiltrate data. Example of what it detects: - Hidden instructions…
MCP Traffic Analysis ToolNov 2025 · github.com · ▲38Wireshark-like forensic analysis for Model Context Protocol communications Capture, inspect, and investigate all HTTP requests and responses between your IDE and MCP servers - mcp-shark/mcp-shark
MCP PlaygroundNov 2025 · mcpplayground.io · ▲160MCP Playground is a Postman-style tool for MCP — inspect servers, execute tools live, test your client, all from the browser. Four things in one place: 1. Free hosted MCP servers — four public test servers anyone can point their client at: Echo (connectivity), Auth (Bearer token flow), Error (error handling), Complex (multi-tool schemas).No sign-up, just use the URL. 2. Server inspector — paste any remote MCP server URL, see all its tools/resources/prompts, execute them live, inspect the full JSON-RPC log. HTTP, SSE, and WebSocket all supported. 3. Registry — 10,000+ servers…
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