leehainuo

leehainuo / coco

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Coco is an elegant and beautiful OpenAPI UI library for Go

api-docs api-documentation go golang openapi
11
0
100% credibility
Found May 25, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Go
AI Summary

Coco is an elegant, lightweight tool that transforms your Go API code into beautiful, interactive documentation. You simply add a few lines to your project, and Coco automatically generates stunning docs that support light/dark themes, multiple languages, and built-in API testing. It works with any Go web framework and requires no external dependencies—everything is bundled into a single file that embeds directly into your application.

How It Works

1
💡 You discover Coco

You're a Go developer who wants beautiful, interactive API documentation for your project without the hassle.

2
📦 You add Coco to your project

With just a few lines of code, you connect Coco to your Go web application. It works with any framework you already use.

3
✨ Your docs come to life

Coco automatically turns your API code into stunning documentation with all endpoints, parameters, and responses beautifully organized.

4
🎨 You see your beautiful docs

A gorgeous interface appears with light and dark themes, search, and navigation. Everything looks polished and professional.

5
Your team explores the docs
🔍
Browsing and searching

Team members browse endpoints by category, search for specific APIs, and read through documentation.

⚡
Testing APIs instantly

Developers click a button to test any endpoint directly from the docs—no Postman needed.

🎉 Everyone loves the docs

Your API is fully documented, beautifully presented, and instantly testable. New team members get up to speed faster than ever.

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Star Growth

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AI-Generated Review

What is coco?

Coco is an OpenAPI documentation renderer for Go applications. Drop it into any Go web project and you get a polished, interactive API explorer that reads your OpenAPI or Swagger spec and turns it into a documentation page with built-in request testing. The frontend is Vue 3 with TailwindCSS, and everything compiles into a single binary with zero external dependencies. It handles both OpenAPI 2.0 and 3.0 specs, and works with frameworks like Gin, Echo, Fiber, Chi, or plain net/http.

Why is it gaining traction?

The appeal is in the simplicity and polish. One function call mounts the docs, and the UI handles light/dark themes, i18n support, and request history out of the box. The debug panel lets you test endpoints directly from the docs without external tools. The single-binary deployment model is the real hook: no frontend build step, no CDN, no separate static hosting.

Who should use this?

Go developers building REST APIs who want self-hosted, branded documentation without the overhead of Swagger UI or ReDoc. Teams needing a unified docs-and-testing interface will appreciate the debug panel. Particularly useful if you are already using Swag or Huma for spec generation.

Verdict

Coco is a promising option for Go API documentation, though with only 11 stars it is early-stage. The feature set is solid and the zero-dependency approach is compelling. The 1.0% credibility score reflects that this is a new project without production track record. Evaluate it for smaller projects first before committing to a larger codebase.

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