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Consuming MCPs is easy, but creating them is a different thing, and harder than it seems. The reality is MCPs demand OpenAPI maturity. This is where Appear wants to help.

AI for API documentation is good, but there needs to be a deterministic basis for rapid exaptation in this agentic/MCP epoch. Appear aims to facilitate MCP & AI enablement but provides guidance on the maturation of your APIs. #openAPI #validation #maturity #api

The mission is simple: enable you to make the most out of your existing APIs. Better developer experiences, better collaboration, and (better) AI enablement.

The validator is improving in coverage, but there is some performance work to do next: - Schema caching - WIP - Memoization of key functions - Optimised reference resolution - Memory usage optimisation #openapi #devtools #api

Great article on explaining how MCPs and APIs are symbiotic. layered.dev/mcp-the-ultima…

Our JS/TS introspector is now using Otel under the hood: big improvements and now able to catch inbound and outbound requests. v1 now available: docs.appear.sh Want instant API discovery and documentation? Get in touch now!

We're excited to be able to provide this to the open-source community! Not long to go now! #openapi #oas #zod #api #OpenSource

Check out our open-source API Validator tool validate.appear.sh . What would you want to see in future iterations? #openapi #validation #api #spec

literally me explaining how Appear works

What could go wrong?

zeb We've recently rebuilt Appear in similar way. Using TinyBase as sync engine to push data to Durable Objects and let users fetch them from there. It's harder than it looks but it's 100% worth it.

This is pure gold. Agentic AI framework comparison by Ida Silfverskiöld. 10/10 for usefulness. ilsilfverskiold.com/articles/agent…

Finally got the ship off the ground. First time ever, and only just the start.

Wrote up about how Appear approaches API documentation, and why I love good docs - and so do agents and humans alike: appear.sh/blog/end-of-ma…

Upgrading the OAS Zod Validator to Zod v4, plus fixes and improvements: - Adding $ref path validation to ensure it points to the component object - Added query method to Path objects - Changed format to support any string instead of enum Always more to do, but it's close!

Maybe we should host this new version?

Appear solves this by automatically generating your API docs from your live traffic, while enriching them for agents. Two pain points solved instantly: - Out of date docs - Docs not written for agents #openapi #api #docs #ai

Our little OSS API toolkit is slowly getting better. We're also introducing an OpenAPI + JSON schema spec hub at appear.sh to help lower & ease entry toward OAS adoption and uplift. Preview soon!

Helping devs get into OpenAPI is woven through our mission to help you unleash your existing APIs in the AI age.