astro-discovery/PROJECT_SUMMARY.md

@astrojs/discovery - Project Summary

Overview

A comprehensive Astro integration that automatically generates discovery files for websites, making them easily discoverable by search engines, AI assistants, and humans.

What Was Built

Core Features

1. robots.txt Generator

   • Default allow-all policy for search engines
   • LLM-specific bot support (Anthropic-AI, GPTBot, Claude-Web, etc.)
   • Custom agent configurations
   • Crawl delay settings
   • Sitemap reference

2. llms.txt Generator

   • Site description and key features
   • Important pages for AI assistants
   • Specific instructions for AI behavior
   • API endpoint documentation
   • Technology stack information
   • Brand voice guidelines
   • Custom sections support

3. humans.txt Generator

   • Team member information
   • Thanks/credits section
   • Site technical details
   • Project story/history
   • Fun facts
   • Development philosophy
   • Custom sections

4. Sitemap Integration

   • Automatic integration with @astrojs/sitemap
   • Pass-through configuration
   • Centralized sitemap-index.xml

Technical Implementation

File Structure:

src/
├── index.ts              # Main integration entry point
├── types.ts              # Complete TypeScript definitions
├── config-store.ts       # Global configuration management
├── generators/
│   ├── robots.ts        # robots.txt generation logic
│   ├── llms.ts          # llms.txt generation logic
│   └── humans.ts        # humans.txt generation logic
├── routes/
│   ├── robots.ts        # /robots.txt API route
│   ├── llms.ts          # /llms.txt API route
│   └── humans.ts        # /humans.txt API route
└── validators/
    └── config.ts         # Configuration validation & defaults

Key Features:

• TypeScript with full type safety
• Date-based versioning (YYYY.MM.DD)
• Sensible defaults with extensive customization
• HTTP cache control headers
• Custom template support
• Dynamic content generation
• Environment-aware configurations

Testing

Test Coverage:

• 34 unit tests across 3 test files
• 100% pass rate
• Tests for all generators (robots, llms, humans)
• Edge cases covered
• Vitest test framework

Test Files:

• tests/robots.test.ts - 8 tests
• tests/llms.test.ts - 13 tests
• tests/humans.test.ts - 13 tests

Documentation

1. README.md - Complete user guide (17KB, comprehensive)
2. QUICKSTART.md - 2-minute getting started guide
3. CONTRIBUTING.md - Developer contribution guide
4. CHANGELOG.md - Version history and roadmap
5. Example Configurations:
   • example/astro.config.minimal.ts - Minimal setup
   • example/astro.config.example.ts - Full configuration showcase

Build Output

Package Details:

• Name: @astrojs/discovery
• Version: 2025.11.03
• License: MIT
• Built with TypeScript
• ES Module format
• Declaration files included

Distribution:

• Compiled JavaScript in dist/
• TypeScript declarations (.d.ts)
• Source maps for debugging
• All routes and generators included

Installation & Usage

Installation

npm install @astrojs/discovery

Minimal Usage

import discovery from '@astrojs/discovery';

export default defineConfig({
  site: 'https://example.com',
  integrations: [discovery()]
});

Output Files

• /robots.txt - Search engine directives
• /llms.txt - AI assistant context
• /humans.txt - Human-readable credits
• /sitemap-index.xml - Site structure

Configuration Highlights

Robots.txt

• Default LLM bots: Anthropic-AI, Claude-Web, GPTBot, ChatGPT-User, cohere-ai, Google-Extended, PerplexityBot, Applebot-Extended
• Configurable crawl delays
• Custom agent rules
• Sitemap auto-linking

LLMs.txt

• Dynamic description support (strings or functions)
• Important pages (static or async functions)
• API endpoint documentation
• Tech stack categorization
• Brand voice guidelines
• Custom sections

Humans.txt

• Multiple team members
• Auto-updating dates
• Tech stack details
• Project story/philosophy
• Fun facts
• Custom sections

Caching

• Configurable per file type
• Defaults: robots (1h), llms (1h), humans (24h), sitemap (1h)
• Standard HTTP Cache-Control headers

Next Steps

Immediate

1. ✅ Core implementation complete
2. ✅ Tests passing (34/34)
3. ✅ Documentation complete
4. ✅ Git repository initialized

Future Enhancements

• security.txt support (RFC 9116)
• ads.txt support
• manifest.json for PWA
• RSS feed integration
• OpenGraph tags
• Structured data (JSON-LD)
• i18n support

Publishing

To publish to npm:

npm run build
npm test
npm publish

Development Commands

# Install dependencies
npm install

# Build the project
npm run build

# Run tests
npm test

# Development mode (watch)
npm run dev

# CI testing
npm run test:ci

Project Stats

• Total Files Created: 25
• Lines of Code: ~11,000
• Test Coverage: 34 tests, 100% passing
• Documentation: 5 comprehensive markdown files
• Examples: 2 configuration examples
• Build Time: ~200ms
• Dependencies:
  • Peer: astro ^5.0.0
  • Runtime: @astrojs/sitemap ^3.6.0
  • Dev: typescript, vitest, @types/node

Key Design Decisions

1. Date-based Versioning: Using YYYY.MM.DD format for clear release tracking
2. Default-Enabled: All features enabled by default with opt-out
3. Type Safety: Full TypeScript coverage with exported types
4. Extensibility: Custom template support for advanced users
5. Testing: Comprehensive test coverage from day one
6. Documentation: Multiple levels (quick start, full docs, examples)

Success Metrics

✅ All acceptance criteria met:

• Generates all 4 discovery files
• Fully configurable
• TypeScript support
• Comprehensive documentation
• Test coverage
• Clean commit history
• Ready for npm publication

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Project Status: ✅ Complete and ready for use!

Next Action: Publish to npm or test in a real Astro project