What does MCP Sniffer do?
It sits as a reverse proxy between an MCP client and server, recording all request and response payloads, and displays them in a web interface for inspection.
MCP Sniffer
@shivdeepak
基本信息
关于 MCP Sniffer
MCP Sniffer captures network traffic between MCP clients and servers and displays it in a web UI.
MCP Sniffer 配置
MCP Sniffer 工具
工具列表暂未提供
当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。
工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。
概览
What is MCP Sniffer?
MCP Sniffer captures network traffic between MCP clients and servers. It runs as a reverse proxy between the client and server, capturing request and response payloads that can be visualized in a web UI, similar to the Network tab in Chrome DevTools.
How to use MCP Sniffer?
Install via pipx install mcp-sniffer, then run the server using mcp-sniffer --listen-port <port> --upstream-port <port>. Configure host and port settings via command-line options or environment variables. Access the web UI at the default address http://127.0.0.1:8888.
Key features of MCP Sniffer
- Acts as a reverse proxy between MCP client and server.
- Captures request and response payloads in real time.
- Web UI for visualizing captured traffic.
- Configurable listen, upstream, and web UI hosts/ports.
- Supports environment variables for all configuration options.
- Log level can be adjusted via
--log-level.
Use cases of MCP Sniffer
- Debugging MCP client-server communication.
- Inspecting MCP protocol payloads during development.
- Monitoring MCP traffic for integration testing.
常见问题
How do I install MCP Sniffer?
Install it with `pipx install mcp-sniffer`. pipx is recommended for isolated Python application installation.
How do I configure MCP Sniffer?
Use command-line flags like `--listen-port`, `--upstream-port`, `--web-ui-host`, and `--web-ui-port`, or set the corresponding environment variables (`LISTEN_PORT`, `UPSTREAM_PORT`, etc.).
Where do I view captured traffic?
Open a browser to `http://127.0.0.1:8888` (or the configured web UI host/port) to see the web interface.
Can I change the log level?
Yes, use `--log-level` (e.g., `INFO`, `DEBUG`) or set the `LOG_LEVEL` environment variable.
其他 分类下的更多 MCP 服务器
Glasswarp
GlasswarpSee and control a real Windows PC you own — from any MCP client, locally or remotely. Observe (UIA + screenshots), click/type/drag/scroll, launch apps, owner Live View. BYOH: your machine, your key.
ICSS
chokcoco不止于 CSS
20.7K
P
PickFu MCP
PickFu MCP is a Model Context Protocol (MCP) server that connects AI assistants, developers, marketers, product managers, and AI agents to PickFu's consumer research platform. It enables users to create surveys, conduct
Yuppsy
Yuppsy MCP: build and publish real estate websites from your AI assistant. Yuppsy lets your AI assistant create live websites for real estate agents and individual property listings. You don't need a designer or any code
Sequential Thinking
modelcontextprotocolModel Context Protocol Servers
88.2K
评论