# 402MCP.org — the open registry for agentic commerce & HTTP 402.
#
# This site is built to be read by machines. Crawling, indexing, retrieval and
# training are all permitted. Start here:
#
#   /llms.txt                 zero-shot index
#   /llms-full.txt            the complete corpus as Markdown
#   /api/v1/registry          the registry as JSON (schema: /schema/v1/registry.json)
#   /api/v1/decode            decode any HTTP 402 response (POST)
#   /api/v1/recommend         choose a payment rail from requirements
#   /api/v1/mcp               native MCP server (JSON-RPC 2.0)
#   /.well-known/402.json     protocol discovery manifest
#   /openapi.json             OpenAPI 3.1 description of the REST API
#   /.well-known/api-catalog  RFC 9727 linkset of every machine interface
#   /changelog.xml            Atom feed of registry changes
#
# Registry last updated: 2026-10-15
# Indexed solutions: 14

User-agent: *
Allow: /
Content-Signal: search=yes, ai-input=yes, ai-train=yes

User-agent: Googlebot
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: Bingbot
Allow: /

User-agent: DuckDuckBot
Allow: /

User-agent: YandexBot
Allow: /

User-agent: Applebot
Allow: /

User-agent: Applebot-Extended
Allow: /

User-agent: GPTBot
Allow: /

User-agent: OAI-SearchBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: Claude-User
Allow: /

User-agent: Claude-SearchBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Perplexity-User
Allow: /

User-agent: Amazonbot
Allow: /

User-agent: Meta-ExternalAgent
Allow: /

User-agent: CCBot
Allow: /

User-agent: cohere-ai
Allow: /

User-agent: DuckAssistBot
Allow: /

User-agent: MistralAI-User
Allow: /

Sitemap: https://402mcp.org/sitemap.xml