{"protocolVersion": "0.3.0", "name": "Keyless web search for AI agents. Give it a natural-language query and it returns ranked o", "description": "Keyless web search for AI agents. Give it a natural-language query and it returns ranked organic results (title, url, snippet) drawn from live multi-source search (DuckDuckGo HTML/Lite plus public SearXNG instances, with automatic fallback so it never returns empty when one source flakes). Optionally it also fetches the top result and extracts the main content as clean, token-budgeted markdown (answer_extract), so an agent can read the page without running its own crawler, browser or scraper. Use it to answer real-world questions, gather fresh facts, research a topic, find documentation or check what a site says, without maintaining a search index or paying for Google/Bing/Serper API keys. Resilient (short timeouts, multi-source), SSRF-hardened, 0.005 USDC on Base.", "url": "https://websearch.hergertsynthora.com/service", "preferredTransport": "HTTP+JSON", "additionalInterfaces": [{"url": "https://websearch.hergertsynthora.com/service", "transport": "HTTP+JSON"}, {"url": "https://websearch.hergertsynthora.com/a2a", "transport": "JSONRPC"}], "version": "1.0.0", "provider": {"organization": "HERGERT SYNTHORA", "url": "https://hergertsynthora.com"}, "capabilities": {"streaming": false, "pushNotifications": false, "stateTransitionHistory": false}, "defaultInputModes": ["application/json"], "defaultOutputModes": ["application/json"], "skills": [{"id": "websearch", "name": "websearch", "description": "Keyless web search for AI agents. Give it a natural-language query and it returns ranked organic results (title, url, snippet) drawn from live multi-source search (DuckDuckGo HTML/Lite plus public SearXNG instances, with automatic fallback so it never returns empty when one source flakes). Optionally it also fetches the top result and extracts the main content as clean, token-budgeted markdown (answer_extract), so an agent can read the page without running its own crawler, browser or scraper. Use it to answer real-world questions, gather fresh facts, research a topic, find documentation or check what a site says, without maintaining a search index or paying for Google/Bing/Serper API keys. Resilient (short timeouts, multi-source), SSRF-hardened, 0.005 USDC on Base.", "tags": ["websearch", "x402", "synthora", "m2m", "a2a"], "examples": ["{\"query\": \"latest x402 protocol spec\", \"max_results\": 5, \"extract\": true}"], "inputModes": ["application/json"], "outputModes": ["application/json"], "inputSchema": {"type": "object", "properties": {"query": {"type": "string", "description": "Natural-language search query"}, "max_results": {"type": "integer", "description": "How many results to return (1-20, default 8)"}, "extract": {"type": "boolean", "description": "If true, also fetch the top result and return its main content as clean markdown (answer_extract). Default: auto (extracts when a first URL is available)."}}, "required": ["query"]}}], "securitySchemes": {"x402": {"type": "http", "scheme": "x402", "description": "HTTP 402 micropayment. 5000 atomic USDC on eip155:8453."}}, "security": [{"x402": []}], "x402": {"network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "5000", "payTo": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0", "resource": "https://websearch.hergertsynthora.com/service"}, "mcp": {"endpoint": "https://websearch.hergertsynthora.com/mcp", "transport": "http-jsonrpc"}}