{"name":"Sigma Agents API","version":"1.1.0","description":"Sigma Agents — AI visibility, SEO, AEO, GEO, automation, and agent-powered growth infrastructure for local businesses. Not affiliated with Sigma Computing.","endpoints":{"agent_card":{"url":"https://sigmaagents.ai/.well-known/agent-card.json","method":"GET","description":"Machine-readable agent capability card (AI agent discovery)"},"sigma_score_rest":{"url":"https://sigmaagents.ai/api/v1/score?url={domain}","method":"GET","description":"Scan a website and get an AI-readiness score. Returns SEO, Local SEO, and AEO breakdowns.","parameters":{"url":"The website URL to scan (e.g. 'example.com')"},"example":"GET /api/v1/score?url=example.com"},"sigma_score_post":{"url":"https://sigmaagents.ai/api/v1/score","method":"POST","description":"Same as above but via POST body.","body":{"url":"example.com"}},"recent_scans":{"url":"https://sigmaagents.ai/api/check/recent","method":"GET","description":"Returns the 12 most recent public Sigma Score scans."},"mcp_server":{"url":"https://sigmaagents.ai/api/mcp","method":"POST","transport":"streamable-http","description":"MCP (Model Context Protocol) server. Send JSON-RPC 2.0 requests to use Sigma Score as a tool in AI assistants like Claude.","tools":["sigma_score","content_refresh_plan","schema_recommendations","local_visibility_audit","sigma_site_agent"],"example_request":{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"sigma_score","arguments":{"url":"example.com"}}}},"a2a_protocol":{"url":"https://sigmaagents.ai/api/a2a","method":"POST","description":"Google Agent-to-Agent (A2A) protocol endpoint. Allows other AI agents to submit scan tasks via JSON-RPC 2.0.","methods":["tasks/send","tasks/get"],"example_request":{"jsonrpc":"2.0","id":1,"method":"tasks/send","params":{"message":{"role":"user","parts":[{"type":"text","text":"Scan example.com for AI readiness"}]}}}}},"ai_readable_files":{"llm_txt":"https://sigmaagents.ai/llm.txt","llm_full_txt":"https://sigmaagents.ai/llm-full.txt","llms_txt":"https://sigmaagents.ai/llms.txt","ai_overview":"https://sigmaagents.ai/ai-overview.md","services":"https://sigmaagents.ai/services.md","industries":"https://sigmaagents.ai/industries.md","agent_infrastructure":"https://sigmaagents.ai/agent-infrastructure.md","sigma_site_agent":"https://sigmaagents.ai/sigma-site-agent.md"},"contact":{"email":"info@sigmaagents.ai","phone":"+1-916-476-7689","booking":"https://cal.com/sigma-agents/30min"}}