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MCP Boundary

MCP Boundary

ChatGPT plugin by Yifei Fang · MCP engineering at the seam

Developer Tools v0.2.0 Website ↗ Open in ChatGPT ↗

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25/100
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score 25 · category leaders average 53
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    Directory search ranks name matches first: 74% of top-3 results have the search term in the name. Searches for a brand name itself are not tracked.
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In ChatGPT conversations

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About MCP Boundary

MCP Boundary is a ChatGPT plugin by Yifei Fang in the Developer Tools category of the ChatGPT plugin directory. Its listing describes it as “MCP engineering at the seam”. It has been tracked in the directory since Oct 5, 2026.

MCP Boundary does not currently reach the top 10 for common Developer Tools searches in the directory, so most people find it by searching for its name.

It is not listed on a category page of the directory and appears only in search results.

A pure-skill engineering plugin that traces active callers and entrypoints, implements or migrates the real MCP path, reconciles source with package and activated runtime, and keeps host claims inside qualifying observations.From the plugin’s directory listing

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MCP Boundary: questions and answers

What does MCP Boundary do?

MCP engineering at the seam. A pure-skill engineering plugin that traces active callers and entrypoints, implements or migrates the real MCP path, reconciles source with package and activated runtime, and keeps host claims inside qualifying observations.

Who makes MCP Boundary?

MCP Boundary is developed by Yifei Fang.

How do I add MCP Boundary to ChatGPT?

Open ChatGPT, go to Plugins, search for “MCP Boundary” and select Install plugin. You can also open its page in the directory directly.

Is MCP Boundary still available in ChatGPT?

Yes. MCP Boundary was listed in the ChatGPT plugin directory at the latest hourly check.