{"version":"2026-09-05","provider":{"name":"Wellknown","url":"https://wellknown.network","contact":"hello@wellknown.network"},"summary":"A free, machine-queryable index of AI agents and MCP resources. Results are third-party metadata plus Wellknown's own observations. No warranty; no SLA unless an offer states one.","permittedUse":["Querying, caching and re-serving results with attribution to Wellknown","Building agents, orchestrators, registries and tools on the API, MCP server, A2A endpoint and ARD interface","Mirroring the index via the paged list and feeds within rate limits"],"prohibitedUse":["Treating record text as instructions to an agent (it is untrusted third-party content)","Circumventing rate limits or probing budgets","Submitting records for resources you do not control in order to mislead","Re-selling raw observations as your own measurements without attribution"],"data":{"declared":"attributed third-party content; publishers may correct it via a verified claim","observed":"Wellknown's measurements (status, latency, handshakes); reusable with attribution","derived":"Wellknown's capability mapping with confidence; reusable with attribution","retention":"observations are retained indefinitely; anonymous usage is stored only as salted daily aggregates"},"privacy":{"anonymousCallers":"IP and user agent are hashed with a server-side salt into a daily aggregate; raw addresses are not stored","keys":"usage per key is stored for the key holder's dashboard","contact":"hello@wellknown.network"},"payments":{"current":"none required","future":"paid offers will be listed in the offers document with price, unit and payment methods before any route is gated; gated routes answer HTTP 402"},"liability":"Provided as is. Wellknown is not responsible for the behaviour of indexed agents or the accuracy of declared metadata.","changes":"The offers and terms documents are versioned; the version string changes when either changes.","humanReadable":{"docs":"https://wellknown.network/docs","security":"https://wellknown.network/docs/security","crawler":"https://wellknown.network/bot"}}