Your API docs shouldn't depend on someone else's SaaS.

Sourcey is an open source documentation platform. Point it at an OpenAPI spec, an MCP server, or a Doxygen XML directory; add markdown guides; get a complete docs site. Static HTML you own; no dashboard, no monthly bill, no API calls to render your own documentation. Deploy anywhere.

npx sourcey init

Live demo · Documentation · GitHub

• API reference from OpenAPI — endpoints, parameters, request/response schemas, auto-generated code samples in 10 languages (cURL, JavaScript, TypeScript, Python, Go, Ruby, Java, PHP, Rust, C#)
• MCP server documentation — tools, resources, prompts rendered as browsable reference with JSON-RPC, TypeScript, and Python code samples. Color-coded method types, annotation badges, connection config cards
• Markdown guides with rich components — steps, cards, accordions, syntax-highlighted code blocks; prose docs alongside your API reference
• C++ and Doxygen — feed Doxygen XML output, get modern searchable API docs. No new parser, no four-tool Breathe/Exhale/Sphinx pipeline
• llms.txt generation — auto-generate llms.txt and llms-full.txt alongside your HTML. Docs serve developers and AI agents from one build
• TypeScript config — sourcey.config.ts with defineConfig() autocomplete; theme, navbar, CTA buttons, footer
• Theme presets — default (sidebar + TOC), minimal (single column), api-first (Stripe-style three column); colors, fonts, layout dimensions, and custom CSS on top
• Vite dev server — SSR hot reload on every component and CSS change; spec and markdown changes trigger instant refresh
• Dark mode — semantic design tokens, light/dark logo variants, localStorage persistence
• Client-side search — instant fuzzy search across all pages and API operations; Cmd+K
• Static HTML output — no framework runtime, no vendor lock-in. Deploy to GitHub Pages, Vercel, Netlify, S3, anywhere
• Open source — AGPL-3.0. Self-host, fork, extend. Your docs, your infrastructure

# npm (recommended)
npx sourcey init

# Homebrew
brew tap sourcey/sourcey && brew install sourcey

# Docker
docker run -v $(pwd):/docs sourcey/sourcey build

# Nix
nix run github:sourcey/sourcey

# From a single OpenAPI spec
sourcey build api.yaml -o docs/

# Multi-page site (reads sourcey.config.ts)
sourcey build -o docs/

# Dev server with hot reload
sourcey dev

Create sourcey.config.ts in your project root:

import { defineConfig } from "sourcey";

export default defineConfig({
  name: "My API",
  theme: {
    preset: "default",  // "default" | "minimal" | "api-first"
    colors: {
      primary: "#6366F1",
      light: "#818CF8",
      dark: "#4F46E5",
    },
  },
  logo: "./logo.png",
  navigation: {
    tabs: [
      {
        tab: "Documentation",
        groups: [
          {
            group: "Getting Started",
            pages: ["introduction", "quickstart", "authentication"],
          },
        ],
      },
      {
        tab: "API Reference",
        openapi: "./openapi.yaml",
      },
      {
        tab: "MCP Server",
        mcp: "./mcp.json",
      },
    ],
  },
  navbar: {
    links: [{ type: "github", href: "https://github.com/you/repo" }],
    primary: { type: "button", label: "Dashboard", href: "https://app.example.com" },
  },
  footer: {
    socials: { github: "https://github.com/you/repo" },
  },
});

Each tab is an openapi spec, an mcp snapshot, a doxygen directory, or groups of markdown pages. Pages are referenced by slug (e.g. "quickstart" resolves to quickstart.md).

Guides support rich components in standard markdown:

<Steps>
  <Step title="Install">Run `npm install sourcey`</Step>
  <Step title="Configure">Create `sourcey.config.ts`</Step>
  <Step title="Build">Run `sourcey build`</Step>
</Steps>

<CardGroup cols={2}>
  <Card title="API Reference" icon="book" href="/api">Full endpoint docs</Card>
  <Card title="Guides" icon="map" href="/docs">Step-by-step tutorials</Card>
</CardGroup>

<AccordionGroup>
  <Accordion title="How does auth work?">We use API keys and OAuth2.</Accordion>
</AccordionGroup>

All visual configuration lives under theme. Colors, fonts, layout dimensions, and a preset that controls page structure:

theme: {
  preset: "api-first",
  colors: { primary: "#f59e0b", light: "#fbbf24", dark: "#d97706" },
  fonts: { sans: "'Lexend', sans-serif", mono: "'Fira Code', monospace" },
  layout: { sidebar: "16rem", content: "48rem" },
  css: ["./brand.css"],
}

Presets control layout structure: "default" (sidebar + TOC), "minimal" (single centered column), "api-first" (three-column with persistent code panels). Everything else applies on top.

sourcey dev                       Dev server (reads sourcey.config.ts)
sourcey build                     Build site (reads sourcey.config.ts)
sourcey build api.yaml            Quick build from a single spec
sourcey validate api.yaml         Validate a spec file

git clone https://github.com/sourcey/sourcey.git
cd sourcey && npm install
npm run build && npm test

# Run the demo site
cd demo && npx tsx ../src/cli.ts dev

AGPL-3.0. Free to use, self-host, and modify. If you run Sourcey as a hosted service, you open-source your stack.

Commercial licensing available; contact sourcey.com.