User-agent: *
Allow: /

# AI agents — welcome
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: Anthropic
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Google-Extended
Allow: /

# Discovery endpoints for agents and directories:
# GET /openapi.json        — OpenAPI 3.0 spec
# GET /mcp                 — MCP (Model Context Protocol) manifest
# GET /skills.json         — Agent skill discovery
# GET /llms.txt            — LLM-friendly service description
# GET /.well-known/ai-plugin.json  — OpenAI plugin manifest
# GET /.well-known/claude.json     — Anthropic plugin manifest
# GET /api/scan?url=       — Scan a URL (free)
# GET /api/report?url=     — Premium report (x402/MPP payment required)

Sitemap: https://agentgrade.com/sitemap.xml