--- title: "Every API Is a Tool for Agents - Matt Carey, Cloudflare" source_name: "AI Engineer" original_url: "https://www.youtube.com/watch?v=YBYUvGOuotE" canonical_url: "https://www.traeai.com/articles/3397e344-f676-4f8f-ba5b-1caf75eca90f" content_type: "video" language: "英文" score: 6 tags: ["AI","API","Cloudflare"] published_at: "2026-04-25T17:00:06+00:00" created_at: "2026-04-25T23:17:12.839906+00:00" --- # Every API Is a Tool for Agents - Matt Carey, Cloudflare Canonical URL: https://www.traeai.com/articles/3397e344-f676-4f8f-ba5b-1caf75eca90f Original source: https://www.youtube.com/watch?v=YBYUvGOuotE ## Summary Matt Carey 探讨了MCP（巨量上下文问题）对AI代理的影响，强调API设计的重要性。 ## Key Takeaways - MCP可能导致AI代理在处理复杂任务时的性能瓶颈 - API需要更好地支持AI代理的上下文管理能力 - 未来系统设计需考虑代理与数据集成的简化方法 ## Content Title: MCP = Mega Context Problem - Matt Carey URL Source: http://www.youtube.com/watch?v=YBYUvGOuotE Markdown Content: # MCP = Mega Context Problem - Matt Carey - YouTube Back [![Image 1](http://www.youtube.com/watch?v=YBYUvGOuotE)](http://www.youtube.com/ "YouTube Home") Skip navigation Search Search with your voice [](http://www.youtube.com/watch?v=YBYUvGOuotE) [Sign in](https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3Dhttps%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253DYBYUvGOuotE&hl=en&ec=65620) [![Image 2](http://www.youtube.com/watch?v=YBYUvGOuotE)](http://www.youtube.com/ "YouTube Home") [](http://www.youtube.com/watch?v=YBYUvGOuotE) [](http://www.youtube.com/watch?v=YBYUvGOuotE) [](http://www.youtube.com/watch?v=YBYUvGOuotE) [](http://www.youtube.com/watch?v=YBYUvGOuotE) [MCP = Mega Context Problem - Matt Carey](http://www.youtube.com/watch?v=YBYUvGOuotE) [](http://www.youtube.com/watch?v=YBYUvGOuotE) Tap to unmute 2x [![Image 3](http://www.youtube.com/watch?v=YBYUvGOuotE)](http://www.youtube.com/watch?v=YBYUvGOuotE) [](http://www.youtube.com/watch?v=YBYUvGOuotE) Search Copy link Info Shopping ![Image 4](http://www.youtube.com/watch?v=YBYUvGOuotE) [![Image 5](http://www.youtube.com/watch?v=YBYUvGOuotE)](http://www.youtube.com/watch?v=YBYUvGOuotE) If playback doesn't begin shortly, try restarting your device. • You're signed out Videos you watch may be added to the TV's watch history and influence TV recommendations. 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[Learn more](https://support.google.com/youtube/answer/3037019#zippy=%2Ccheck-that-youre-signed-into-youtube) [Sign in](https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3D%252Fwatch%253Fv%253DYBYUvGOuotE&hl=en) # MCP = Mega Context Problem - Matt Carey [![Image 7](https://yt3.ggpht.com/ajVemEB89DAOemsbfuMY6ZOWXJAACx3cbty9z21jeqRKODaVkDBSRun1b1xfQJljEsziOWS_Mg=s48-c-k-c0x00ffffff-no-rj)](http://www.youtube.com/@aiDotEngineer) [AI Engineer](http://www.youtube.com/@aiDotEngineer) AI Engineer 420K subscribers Subscribe Subscribed Share Save Download Download 2.2K views 6 hours ago 2,280 views • Premiered 6 hours ago The best MCP server is the one you didn't have to build. …...more ...more How this was made Auto-dubbed Audio tracks for some languages were automatically generated. [Learn more](http://support.google.com/youtube/answer/15569972?hl=en) Transcript Follow along using the transcript. Show transcript [![Image 8](http://www.youtube.com/watch?v=YBYUvGOuotE) ### AI Engineer 420K subscribers](http://www.youtube.com/@aiDotEngineer) [Videos](http://www.youtube.com/channel/UCLKPca3kwwd-B59HNr-_lvA/videos)[About](http://www.youtube.com/channel/UCLKPca3kwwd-B59HNr-_lvA/about) Show less [](http://www.youtube.com/watch?v=YBYUvGOuotE) # MCP = Mega Context Problem - Matt Carey 2,280 views 2.2K views Premiered 6 hours ago Share Save Download Download ## Comments 7 [Top Show featured comments](http://www.youtube.com/watch?v=YBYUvGOuotE)[Newest Show recent comments, including potential spam](http://www.youtube.com/watch?v=YBYUvGOuotE) ## In this video Transcript ## Description MCP = Mega Context Problem - Matt Carey The best MCP server is the one you didn't have to build. At Cloudflare we have a lot of products. Our REST OpenAPI spec is over 2.3 million tokens. When teams started building MCP servers, they did what everyone does: cherry-picked important endpoints for their product, wrote some tool definitions and shipped a separate service that covered a small fraction of their API. This was driven by a fundamental context limit of the end users' agent. And tools use a bunch of context just to describe themselves. MCP felt like a Mega Context Problem (and a separate service to maintain). I think we got it all wrong. The context limit is not an MCP problem. It's an agent problem. Tools should probably be discovered on demand and clients are coming around to this. But maybe we can also do it on the server? CLIs get this for free, self-discoverable and documented by design. APIs just need a little help. This talk will cover some of the techniques we've been exploring at Cloudflare, such as codemode and tool search, to make complete APIs accessible to agents through MCP. I'll also cover some of the work we are doing with the MCP Typescript SDK to make stateless servers the default. Speaker info: * [https://github.com/mattzcarey](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa2VUUjEyS1VLWEZLLTZrVDFCRXQ2U0hPNjlaQXxBQ3Jtc0trVVlmbGVCeHJqSGJSV0h4bGpCakMxOUxRd1VNQU9neDdxVDlFTUluVjFRbl9UQVhRTHVCR0gzRE5OSi11VlJpRFhxbTFrUWlZdzdwSk1WUmltQ2FWTFAyZUdPSWRRZU5yci1yYWVrRjBIeVQ3SUFDYw&q=https%3A%2F%2Fgithub.com%2Fmattzcarey&v=YBYUvGOuotE) * [![Image 9](http://www.youtube.com/watch?v=YBYUvGOuotE)/mattzcarey](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1dzNjIzSTN3emNFTFFUa24ta1RzUTd0dEVkQXxBQ3Jtc0trOVh5a29vRVFjQUxrU2x1M0FwaVRyMGlVa252TVhsV0Y4cGw2aXFkU2U4dV9ZU3dTVFIwMHBrU0Q3VzBlem5HZ2V4aHMxQUNMT3phMGVDRUtSZWk3dHBMRzRyTnFxZXBVVG1pd0xQNmUxM2ZpS0E5bw&q=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmattzcarey%2F&v=YBYUvGOuotE) * [https://x.com/mattzcarey](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbEtCLU42a2pxOVlYa0xuSHlLNGF4U2NaY2lId3xBQ3Jtc0tuQThrSU5feS05SDFleDl0UW1aaUhNVjg4SnZPRmJaX3NWSmxKTUg1cE1oWEcxMldCYWY3RE5UYTk4U1plMHl0d21IdkFOZllsWGlkZzU3eTBpRUNGWnB1ZHNWa3ZLdi1zZU5VWHpBQmNaOHpJRllmaw&q=https%3A%2F%2Fx.com%2Fmattzcarey&v=YBYUvGOuotE) …...more ...more Show less How this was made Auto-dubbed Audio tracks for some languages were automatically generated. [Learn more](http://support.google.com/youtube/answer/15569972?hl=en) Transcript Follow along using the transcript. 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