The offline-first programmable automation layer for your API schema lifecycle. Unifying discovery, validation, documentation, and AI agent automations.appear.sh Melbourne, AustraliaJoined January 2024
Most teams are already schema-last for their APIs -code ships, traffic flows, docs come later (if at all).
Appear just automates it. Live traffic in, accurate OpenAPI out.
Have a read here:
appear.sh/blog/schema-la…#openapi#dev#APIs
You can read more about why Appear's approach to API docs for agent (and human) consumption solves the issues plaguing agents from being effective. Our MCP is where the two worlds meet: enriched & deterministic API docs, and AI agents.
appear.sh/blog/why-your-…
Very excited to announce that @AppearAPI has got an MCP for agents and devs to consume deterministic, realtime, and enriched APIs in your favourite agentic IDE.
This closes the loop on a key schema automation, and sees the end of manual API docs forever.
docs.appear.sh/appear-mcp/mcp…
Appear has now closed the dev loop for APIs!
- Discover services from live traffic
- Document and enrich them
- Expose them via an MCP to your agentic IDE
Read about it here: docs.appear.sh/appear-mcp/mcp…
OpenAPI & JSON Schema power the API world.
But the spec pages we rely on? Outdated, slow, hard to interrogate.
We see a better way: a free, modern spec explorer with:
- Cross-links between OAS & JSON Schema
- Fast search + AI help
- Bookmarks + versions
DX should feel good.
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!
The OpenAPI spec validator using Zod, now uses Zod4.
It also includes some improvements:
- Added $ref path validation for schema types
- Added query method for path item objects
- Changed schema object format to be string instead of enum
github.com/appear-sh/OAS-…#openapi#api
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- Out of date docs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
API docs are often out of date, incorrect, or just missing.
I've met CTOs who get their team to spend 3 months manually writing their docs - but now these docs need more definition for agents.
Agents demand more from your docs.
Read about it here:
appear.sh/blog/why-your-…
The OpenAPI specification is not an easily consumed document.
- No search
- No intuitive linking to JSON schema specification
- No modern ways to interrogate
There could be an opportunity to improve this and lower the friction to adoption.
Something to improve!
#openapi#docs
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!
@zebassembly We've recently rebuilt @AppearAPI in similar way. Using @tinybasejs 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.
I built the open-source OAS Zod Validator to be a fun tool for the community, but to really speed up validation & test cycles, I built an dirty local prototype to quickly check the errors (false-positives, false-negatives etc).
But...
OAS Zod Validator is very close to release! It's got some improvements for the final touches:
- using Vitest instead of Jest
- Added changesets + prettier (and contrib guides)
- Included optimisations and benchmarking
Github actions + real world specs next.
#openapi#api#spec
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!
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
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