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MCP Peek
See what your AI agent really sends to MCP servers
MCP Peek is a desktop app to inspect, run, and proxy Model Context Protocol (MCP) servers. See every tool, resource and prompt, run them, and capture traffic.
Hi PH! Maker here.
I build and debug MCP servers, and I kept hitting the same wall: call a tool through an AI agent and you get the model's paraphrase back, not the real request and response. Wire up a few servers and you've no idea where your tokens are going.
So I built MCP Peek — a desktop app to work with MCP servers directly:
- Inspect any server (stdio or HTTP/SSE) — every tool, resource & prompt, each with a token-cost estimate
- Run tools through a form auto-built from the schema, and read results as table / JSON / Markdown / HTML / image
- Proxy — point Claude or Cursor at MCP Peek and watch every call your agent makes, live: timing, tokens, full request/response, plus a topology view
It's local-first: your configs, traffic, and secrets stay on your machine (keys in the OS keychain), and the UI makes no network calls of its own.
Free on one server with the full inspector; Pro is a one-time $19 (no subscription) for unlimited servers + the proxy. Download's a plain file, no signup.
Would love your feedback. What would make this a daily tool for you?
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About MCP Peek on Product Hunt
“See what your AI agent really sends to MCP servers”
MCP Peek was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #155 on the daily leaderboard. MCP Peek is a desktop app to inspect, run, and proxy Model Context Protocol (MCP) servers. See every tool, resource and prompt, run them, and capture traffic.
MCP Peek was featured in Productivity (655.6k followers), Developer Tools (515.4k followers) and Artificial Intelligence (473.1k followers) on Product Hunt. Together, these topics include over 325k products, making this a competitive space to launch in.
Who hunted MCP Peek?
MCP Peek was hunted by David Osojnik. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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David Osojnik