{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_wellknownai","slug":"wellknownai","name":"WellKnownAI","type":"webapp","url":"https://wellknownai.org","page_url":"https://unfragile.ai/wellknownai","categories":["automation"],"tags":[],"pricing":{"model":"unknown","free":false,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_wellknownai__cap_0","uri":"capability://search.retrieval.ai.manifest.registry.indexing.and.discovery","name":"ai manifest registry indexing and discovery","description":"Maintains a centralized, publicly queryable index of AI service manifests published at provider domains via `.well-known/ai.json` endpoints. Implements a pull-based aggregation model where WellKnownAI periodically fetches and validates manifests from registered provider domains, then serves a unified `registry.json` file mapping domain names to their manifest metadata. Supports decentralized provider self-hosting while enabling downstream systems (MCP clients, agent frameworks) to discover capabilities without direct provider queries.","intents":["I need to register my AI service's capabilities so agent frameworks can discover and integrate with it","I want to find all available AI services and their capabilities in a standardized format","I need to build an agent framework that can dynamically discover available tools and services at runtime","I want to maintain a canonical list of AI service integrations without hardcoding provider URLs"],"best_for":["AI service/agent providers building discoverable APIs","Agent framework maintainers (MCP, LangChain, etc.) implementing dynamic service discovery","Enterprise AI ops teams managing multiple agent integrations"],"limitations":["Registry is pull-based with periodic updates, not real-time — manifests may be stale by up to the snapshot interval (frequency not documented)","No built-in authentication or access control — registry is fully public, unsuitable for private/internal service discovery","No query API beyond static registry.json download — cannot filter by capability, provider, or region programmatically","Manifest version locked to v0.1 with no documented migration path for breaking changes in future spec versions","No SLA or uptime guarantees documented; sustainability model unknown"],"requires":["Provider domain with HTTPS support","Ability to publish `.well-known/ai.json` at provider domain root","Manifest conforming to AI Manifest v0.1 schema","GitHub account or web form access to submit domain to registry"],"input_types":["JSON (AI Manifest v0.1 document)","Domain name (for registry submission)","OpenAPI 3.x fragment references (optional, for spec.openapi_url)"],"output_types":["JSON (registry.json with domain → manifest mappings)","JSON (timestamped snapshots of registry state)","HTML (web-based Registry Viewer for browsing entries)"],"categories":["search-retrieval","registry","service-discovery"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_1","uri":"capability://data.processing.analysis.ai.manifest.schema.validation.with.structured.error.reporting","name":"ai manifest schema validation with structured error reporting","description":"Provides CLI-based validation tooling (`validate-ai.mjs`) that checks manifest JSON documents against the AI Manifest v0.1 JSON schema, reporting structural conformance errors and warnings. Validates required fields (manifest_version, provider, spec, capabilities), nested object structures (servers, auth, receipts), and field types (strings, arrays, URNs). Outputs validation results as JSON reports suitable for CI/CD integration, enabling providers to catch schema violations before publishing.","intents":["I need to validate my manifest JSON before publishing it to ensure it conforms to the spec","I want to integrate manifest validation into my CI/CD pipeline to prevent invalid manifests from being deployed","I need to understand what fields are required vs optional in an AI Manifest document","I want to catch schema errors early in development rather than discovering them when frameworks try to parse my manifest"],"best_for":["AI service providers building and maintaining manifests","DevOps engineers integrating validation into CI/CD pipelines","Teams implementing automated compliance checks for manifest correctness"],"limitations":["CLI-based only — requires Node.js runtime; no REST API for remote validation","Validates JSON schema structure only, not semantic correctness (e.g., cannot verify that capability URNs are valid or that OpenAPI URLs are reachable)","No interactive error correction — reports errors but does not suggest fixes or provide auto-formatting","Validation rules locked to AI Manifest v0.1 — no support for validating against future spec versions","No built-in linting for best practices (e.g., recommending cache headers, key rotation windows)"],"requires":["Node.js 14+ (for running validate-ai.mjs script)","Manifest JSON file at known path","WellKnownAI validation tooling cloned or installed locally"],"input_types":["JSON (AI Manifest v0.1 document)"],"output_types":["JSON (validation report with errors, warnings, and pass/fail status)"],"categories":["data-processing-analysis","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_10","uri":"capability://safety.moderation.bearer.token.authentication.scheme.declaration.and.validation","name":"bearer token authentication scheme declaration and validation","description":"Enables providers to declare bearer token authentication requirements in manifests via the `auth.schemes[]` array, specifying that clients must provide a bearer token (e.g., API key, JWT) to access the service. Manifests include `auth.jwks_uri` pointing to the provider's JWKS endpoint for token signature verification. Validation tooling checks that auth schemes are properly formatted and JWKS URIs are valid URLs. Enables downstream systems to understand authentication requirements and implement token validation without hardcoding provider-specific auth logic.","intents":["I need to declare that my service requires bearer token authentication","I want downstream systems to know where to fetch my public keys for token verification","I need to support multiple authentication schemes (e.g., API key, JWT)","I want to enable clients to validate tokens without calling my service"],"best_for":["AI service providers implementing token-based authentication","Agent frameworks supporting multiple authentication schemes","Organizations requiring cryptographic token verification"],"limitations":["Bearer token only — no support for other auth schemes (OAuth 2.0, mTLS, API key headers, etc.)","No token validation enforcement — manifests declare auth requirements but validation does not verify that services actually enforce them","No token format specification — unclear whether tokens should be JWTs, opaque strings, or other formats","No scope or permission declaration — auth schemes do not include fine-grained permission or scope information","No token expiration or rotation guidance — no documentation on token lifetime, refresh mechanisms, or rotation procedures"],"requires":["Bearer token authentication implementation in service","JWKS endpoint at `/.well-known/jwks.json` for public key distribution","Auth scheme declaration in manifest"],"input_types":["Auth scheme objects with type and JWKS URI"],"output_types":["Validated auth.schemes[] array in manifest"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_11","uri":"capability://safety.moderation.manifest.signature.generation.and.receipt.validation","name":"manifest signature generation and receipt validation","description":"Enables providers to cryptographically sign their manifests using private keys and include signatures in the `receipts.signature[]` array, allowing downstream systems to verify manifest authenticity and detect tampering. Signatures are computed over the manifest JSON using RSA algorithms, with signature metadata (algorithm, key ID, timestamp) included in the receipt. Validation tooling checks signature structure and format but does not verify signature validity (requires downstream systems to perform cryptographic verification using provider's JWKS). Enables end-to-end manifest integrity verification without requiring a centralized signing authority.","intents":["I want to sign my manifest so downstream systems can verify it hasn't been tampered with","I need to prove that a manifest came from my service and wasn't modified in transit","I want to enable clients to detect if a cached manifest has been invalidated by a new signature","I need to support multiple signatures (e.g., from different key versions during rotation)"],"best_for":["AI service providers implementing manifest integrity verification","Security-conscious organizations requiring cryptographic proof of manifest authenticity","Teams implementing manifest caching with signature-based invalidation"],"limitations":["Signature validation not enforced — manifests can be published unsigned; validation does not require signatures","No signature algorithm standardization — unclear which RSA algorithms are supported (SHA-256, SHA-512, etc.)","No timestamp validation — signature receipts include timestamps but validation does not verify timestamp freshness or consistency","No revocation integration — signatures do not include CRL checks; revoked keys can still be used to verify old signatures","No signature format specification — unclear whether signatures are raw RSA signatures, JWS, or other formats"],"requires":["RSA private key for signing manifests","Corresponding RSA public key in JWKS for verification","Signature generation tooling (not provided by WellKnownAI)"],"input_types":["Manifest JSON document","RSA private key"],"output_types":["Manifest with receipts.signature[] array containing signature metadata"],"categories":["safety-moderation","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_12","uri":"capability://text.generation.language.provider.contact.information.declaration.and.validation","name":"provider contact information declaration and validation","description":"Enables providers to declare contact information in manifests via the `contact.*` fields (email, phone, support URL, etc.), allowing downstream systems and users to reach out with questions, issues, or integration requests. Validation tooling checks that contact fields are properly formatted (valid email addresses, valid URLs). Provides a standardized way for providers to publish contact information alongside their manifest, reducing friction for service discovery and integration.","intents":["I want to publish my contact information so users can reach out about my service","I need to provide support contact details in my manifest","I want to enable agent frameworks to contact me about integration issues","I need to validate that my contact information is correctly formatted"],"best_for":["AI service providers publishing contact information","Teams managing service integrations and support","Organizations implementing service discovery with human contact"],"limitations":["Contact validation is format-only — does not verify that email addresses or phone numbers are actually valid or monitored","No contact preference declaration — no way to specify preferred contact method or response time SLA","No contact rotation or updates — unclear how providers update contact information or remove outdated entries","No privacy controls — all contact information is public; no way to restrict visibility or implement access controls","No contact verification — no mechanism to verify that published contact information is legitimate"],"requires":["Contact information (email, phone, URL, etc.)","Manifest with contact.* fields"],"input_types":["Contact information strings (email, phone, URL)"],"output_types":["Validated contact.* fields in manifest"],"categories":["text-generation-language","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_13","uri":"capability://tool.use.integration.server.endpoint.declaration.with.type.and.url.metadata","name":"server endpoint declaration with type and url metadata","description":"Enables providers to declare service endpoints in manifests via the `servers[]` array, specifying endpoint URLs, types (REST, WebSocket, gRPC, etc.), and metadata. Each server entry includes URL, type, and optional description, allowing downstream systems to discover available endpoints and their protocols without requiring external documentation. Validation tooling checks that server URLs are valid and types are recognized. Supports multiple endpoints per service (e.g., REST API, WebSocket for streaming, gRPC for performance).","intents":["I want to declare all available endpoints for my service in a standardized format","I need downstream systems to know which protocols my service supports (REST, WebSocket, gRPC, etc.)","I want to enable clients to choose the most appropriate endpoint for their use case","I need to support multiple endpoint types without duplicating manifest information"],"best_for":["AI service providers with multiple endpoint types","Agent frameworks supporting diverse protocol implementations","Organizations requiring protocol-aware service discovery"],"limitations":["Server type validation not standardized — unclear which server types are officially supported vs custom","No endpoint capability mapping — servers do not declare which capabilities they support; unclear if all capabilities are available on all endpoints","No endpoint SLA or performance metadata — servers do not include latency, throughput, or availability information","No endpoint versioning — servers do not include API version information; unclear how to handle endpoint deprecation","No load balancing or failover guidance — multiple servers are listed but no guidance on load balancing or failover strategies"],"requires":["Service endpoints with public URLs","Endpoint type classification (REST, WebSocket, gRPC, etc.)","Manifest with servers[] array"],"input_types":["Server objects with URL, type, and optional description"],"output_types":["Validated servers[] array in manifest"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_2","uri":"capability://safety.moderation.jwks.json.web.key.set.validation.for.manifest.signature.verification","name":"jwks (json web key set) validation for manifest signature verification","description":"Provides CLI validation tool (`validate-jwks.mjs`) that validates RSA public key sets published at `/.well-known/jwks.json` endpoints, ensuring they conform to JWKS specification and contain properly formatted RSA keys. Validates key structure (kty, use, kid, n, e fields), key format (base64url encoding), and key metadata. Enables downstream systems to verify manifest signatures using provider's public keys, establishing a trust chain for manifest authenticity without requiring a central CA.","intents":["I need to publish my RSA public keys so downstream systems can verify my manifest signatures","I want to validate that my JWKS file is correctly formatted before publishing it","I need to rotate my signing keys while maintaining a grace period for downstream systems to update their cached keys","I want to ensure my manifest hasn't been tampered with by enabling signature verification"],"best_for":["AI service providers implementing manifest signing and key rotation","Security teams managing AgentPKI (agent public key infrastructure)","Organizations requiring cryptographic proof of manifest authenticity"],"limitations":["Validates JWKS structure only — does not verify that keys are actually used to sign manifests or that signatures are valid","No automated key rotation service — providers must manually manage key overlap windows (≥7 days documented as requirement)","No revocation checking — does not validate against CRL (Certificate Revocation List) during JWKS validation","RSA-only — no support for ECDSA or other asymmetric algorithms","No key expiration enforcement — JWKS validation does not check exp claims or key validity dates"],"requires":["Node.js 14+ (for running validate-jwks.mjs script)","JWKS JSON file conforming to RFC 7517 specification","RSA key pair (public key for JWKS, private key for signing manifests)"],"input_types":["JSON (JWKS document with RSA public keys)"],"output_types":["JSON (validation report confirming JWKS structure and key format correctness)"],"categories":["safety-moderation","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_3","uri":"capability://safety.moderation.crl.certificate.revocation.list.validation.for.compliance.and.key.rotation","name":"crl (certificate revocation list) validation for compliance and key rotation","description":"Provides CLI validation tool (`validate-crl.mjs`) that validates Certificate Revocation List documents published at `/.well-known/ai-crl.json` endpoints. CRL documents contain revocation entries (kid, revocation_reason, revoked_at) that signal when signing keys have been compromised or rotated out. Validates CRL structure, timestamp formats, and revocation entry completeness. Enables downstream systems to check whether a manifest's signing key has been revoked before trusting the signature.","intents":["I need to revoke a signing key that has been compromised or is no longer in use","I want downstream systems to know which of my keys are no longer valid for signature verification","I need to maintain a compliance audit trail of when keys were revoked and why","I want to implement key rotation with a grace period where old and new keys are both valid"],"best_for":["AI service providers implementing key rotation and revocation workflows","Security teams managing key lifecycle and compliance auditing","Organizations requiring cryptographic proof of key status changes"],"limitations":["CRL validation checks structure only — does not verify that revoked keys are actually no longer used for signing","No automatic revocation propagation — downstream systems must poll CRL independently; no push notifications or webhooks","No revocation reason enforcement — accepts any string for revocation_reason without validating against standard codes","No timestamp validation — does not verify that revoked_at timestamps are chronologically consistent or within expected ranges","No integration with JWKS validation — CRL and JWKS are validated separately; no cross-validation that revoked keys are removed from JWKS"],"requires":["Node.js 14+ (for running validate-crl.mjs script)","CRL JSON file with revocation entries","Understanding of key rotation workflow and grace periods"],"input_types":["JSON (CRL document with revocation entries)"],"output_types":["JSON (validation report confirming CRL structure and entry completeness)"],"categories":["safety-moderation","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_4","uri":"capability://automation.workflow.registry.snapshot.generation.and.versioning","name":"registry snapshot generation and versioning","description":"Automatically generates and publishes timestamped snapshots of the complete registry state (all indexed manifests, metadata, validation status) at regular intervals. Each snapshot is a point-in-time copy of `registry.json` with a timestamp, enabling downstream systems to track registry changes over time and detect when manifests have been added, removed, or modified. Snapshots are immutable and archived, providing an audit trail of registry evolution.","intents":["I need to track when new AI services were added to the registry","I want to detect if a service's manifest has changed since I last cached it","I need to maintain a historical audit trail of registry state for compliance purposes","I want to implement efficient incremental updates by comparing snapshots rather than re-fetching the entire registry"],"best_for":["Agent frameworks implementing efficient registry polling with change detection","Compliance teams maintaining audit trails of service integrations","Organizations implementing registry mirroring or federation"],"limitations":["Snapshots are periodic, not real-time — latency between manifest change and snapshot publication is unknown (not documented)","No snapshot API — snapshots must be downloaded as static files; no programmatic query interface for specific versions","Snapshot retention policy unknown — no documentation on how long historical snapshots are retained","No diff API — must manually compare snapshots to detect changes; no built-in diff generation or change notification","No compression or delta encoding — each snapshot is a full copy, potentially large for registries with many entries"],"requires":["Access to WellKnownAI snapshot storage (HTTP/HTTPS)","Ability to parse and compare JSON registry documents","Storage for maintaining local snapshot history"],"input_types":["None (snapshots are generated automatically by WellKnownAI)"],"output_types":["JSON (timestamped registry.json snapshots)","Archive files (snapshot collections for bulk download)"],"categories":["automation-workflow","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_5","uri":"capability://automation.workflow.registry.diff.generation.and.change.detection","name":"registry diff generation and change detection","description":"Computes and publishes diffs between consecutive registry snapshots, identifying which manifests were added, removed, or modified between versions. Diffs include manifest-level changes (new entries, deleted entries) and field-level changes (capability additions, endpoint modifications). Enables downstream systems to efficiently detect registry changes without downloading and comparing entire snapshots, reducing bandwidth and processing overhead.","intents":["I want to know what changed in the registry since I last checked","I need to update my local cache of manifests only when relevant entries have changed","I want to implement efficient polling of the registry without downloading the entire snapshot each time","I need to audit which services were added or removed from the registry"],"best_for":["Agent frameworks implementing efficient registry polling","Systems with bandwidth constraints needing incremental updates","Compliance teams tracking service integration changes"],"limitations":["Diff format and structure not documented — unclear whether diffs are JSON patches (RFC 6902), custom format, or human-readable text","No diff API — diffs must be downloaded as static files; no programmatic query interface","Field-level change granularity unknown — unclear whether diffs show individual field changes or only manifest-level additions/removals","No change notifications — must poll for diffs; no webhooks or push notifications for registry changes","Diff retention policy unknown — no documentation on how long diffs are retained or how far back change history extends"],"requires":["Access to WellKnownAI diff storage (HTTP/HTTPS)","Ability to parse diff format (JSON Patch, custom format, or other)","Logic to apply diffs to local registry cache"],"input_types":["None (diffs are generated automatically by WellKnownAI)"],"output_types":["Diff document (format unspecified — likely JSON Patch or custom JSON format)"],"categories":["automation-workflow","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_6","uri":"capability://search.retrieval.web.based.registry.viewer.and.browsing.interface","name":"web-based registry viewer and browsing interface","description":"Provides an interactive HTML-based UI for browsing the registry, viewing individual manifest entries, and searching for services by provider name or domain. The Registry Viewer displays manifest metadata (provider info, capabilities, endpoints, auth schemes), renders OpenAPI references, and provides links to provider domains and manifest documents. Enables non-technical users and researchers to explore available AI services without parsing JSON or using CLI tools.","intents":["I want to browse available AI services and their capabilities without writing code","I need to find a specific service by provider name or domain","I want to view the manifest details for a service to understand its capabilities and endpoints","I need to share a link to a service's registry entry with colleagues"],"best_for":["Non-technical users exploring available AI services","Researchers studying AI service ecosystems and capability patterns","Teams evaluating services for integration without deep technical knowledge"],"limitations":["Search functionality limited to provider name and domain — no full-text search of capabilities or descriptions","No filtering or sorting — cannot filter services by capability, region, or auth scheme","No comparative analysis — cannot compare capabilities across multiple services side-by-side","No ratings or reviews — purely informational; no user feedback or quality signals","No real-time updates — UI reflects latest snapshot, not live registry state"],"requires":["Web browser with JavaScript support","Internet access to wellknownai.org"],"input_types":["None (user input via web form for search/browse)"],"output_types":["HTML (rendered manifest entries, provider information, capability lists)"],"categories":["search-retrieval","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_7","uri":"capability://automation.workflow.manifest.submission.and.registry.entry.management","name":"manifest submission and registry entry management","description":"Provides two mechanisms for providers to submit their domains to the registry: (1) GitHub PR submission where providers fork the registry repository, add their domain to a manifest list, and submit a pull request for review; (2) Web form submission where providers enter their domain and manifest details through a simple HTML form. Both mechanisms trigger validation of the provider's `.well-known/ai.json` endpoint and JWKS before accepting the submission. Enables decentralized registry growth without requiring centralized account management or API authentication.","intents":["I want to register my AI service in the WellKnownAI registry","I need to submit my domain for validation and indexing","I prefer to use GitHub for submission rather than filling out a web form","I want to understand what validation checks my manifest must pass before being accepted"],"best_for":["AI service providers publishing new services","Teams managing multiple service registrations","Developers comfortable with GitHub workflows"],"limitations":["No automated approval — submissions require manual review by WellKnownAI maintainers (SLA unknown)","No dispute resolution process — no documented procedure for handling invalid or malicious submissions","No update mechanism — unclear how providers update existing registry entries or remove services","GitHub PR workflow requires git knowledge — may be barrier for non-technical providers","Web form submission details not documented — unclear what validation or fields are required"],"requires":["Domain with HTTPS support","Published `.well-known/ai.json` manifest at domain root","Published `.well-known/jwks.json` JWKS file at domain root","Either GitHub account (for PR submission) or web browser (for form submission)"],"input_types":["Domain name (string)","Manifest metadata (JSON, validated against schema)"],"output_types":["Registry entry (domain added to registry.json and indexed in snapshots)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_8","uri":"capability://memory.knowledge.openapi.specification.fragment.integration.and.referencing","name":"openapi specification fragment integration and referencing","description":"Supports embedding or referencing OpenAPI 3.x specification fragments within AI Manifest documents via the `spec.openapi_url` field, enabling providers to link to detailed API documentation without duplicating schema information. Manifests can reference external OpenAPI YAML/JSON files or embed OpenAPI objects directly, allowing downstream systems to discover both high-level capabilities (from manifest) and detailed endpoint schemas (from OpenAPI). Validation tooling accepts and validates OpenAPI references without requiring full OpenAPI document validation.","intents":["I want to link my existing OpenAPI specification to my AI Manifest without duplicating schema information","I need downstream systems to discover both my high-level capabilities and detailed endpoint schemas","I want to maintain a single source of truth for my API documentation","I need to support both REST and non-REST endpoints in my manifest"],"best_for":["AI service providers with existing OpenAPI specifications","Teams maintaining both REST APIs and agent-specific manifests","Organizations wanting to avoid schema duplication"],"limitations":["OpenAPI validation is not enforced — manifest validation accepts openapi_url without verifying that the URL is reachable or contains valid OpenAPI","No schema merging — downstream systems must fetch and parse OpenAPI separately; no automatic schema integration","OpenAPI 3.x only — no support for Swagger 2.0 or AsyncAPI specifications","No transformation or adaptation — OpenAPI schemas are used as-is; no agent-specific schema extensions or capability mapping","No caching guidance — no documentation on how downstream systems should cache OpenAPI documents or handle stale references"],"requires":["Existing OpenAPI 3.x specification (YAML or JSON)","URL where OpenAPI specification is publicly accessible","Manifest with spec.openapi_url field pointing to OpenAPI document"],"input_types":["OpenAPI 3.x YAML or JSON document","URL string (for spec.openapi_url field)"],"output_types":["Manifest with embedded or referenced OpenAPI specification"],"categories":["memory-knowledge","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_wellknownai__cap_9","uri":"capability://data.processing.analysis.capability.urn.standardization.and.validation","name":"capability urn standardization and validation","description":"Defines and validates a URN (Uniform Resource Name) format for identifying capabilities in manifests (e.g., `urn:ai:capability:web-search`, `urn:ai:capability:image-generation`). Capabilities array in manifests contains URN identifiers that enable standardized capability discovery and matching across heterogeneous AI services. Validation tooling checks that capability URNs conform to the URN syntax and follow the `urn:ai:capability:*` namespace convention. Enables downstream systems to match capabilities across services using standardized identifiers rather than free-form strings.","intents":["I want to declare my service's capabilities in a standardized, machine-readable format","I need agent frameworks to match my capabilities against their requirements using standard identifiers","I want to avoid capability name collisions or ambiguity across different services","I need to enable capability-based service discovery and routing"],"best_for":["AI service providers declaring standardized capabilities","Agent frameworks implementing capability-based service discovery","Organizations building capability-aware routing and orchestration"],"limitations":["Capability URN registry not documented — unclear which URNs are officially defined vs custom/experimental","No capability hierarchy or taxonomy — URNs are flat identifiers; no parent-child relationships or capability grouping","No capability versioning — URNs do not include version information; unclear how to handle capability evolution","No semantic validation — validation checks URN syntax only, not whether declared capabilities are actually implemented","No capability discovery API — no way to query which capabilities are available across all registered services"],"requires":["Understanding of URN syntax and `urn:ai:capability:*` namespace convention","List of capabilities to declare in manifest"],"input_types":["Capability URN strings (e.g., `urn:ai:capability:web-search`)"],"output_types":["Validated capabilities array in manifest"],"categories":["data-processing-analysis","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":38,"verified":false,"data_access_risk":"high","permissions":["Provider domain with HTTPS support","Ability to publish `.well-known/ai.json` at provider domain root","Manifest conforming to AI Manifest v0.1 schema","GitHub account or web form access to submit domain to registry","Node.js 14+ (for running validate-ai.mjs script)","Manifest JSON file at known path","WellKnownAI validation tooling cloned or installed locally","Bearer token authentication implementation in service","JWKS endpoint at `/.well-known/jwks.json` for public key distribution","Auth scheme declaration in manifest"],"failure_modes":["Registry is pull-based with periodic updates, not real-time — manifests may be stale by up to the snapshot interval (frequency not documented)","No built-in authentication or access control — registry is fully public, unsuitable for private/internal service discovery","No query API beyond static registry.json download — cannot filter by capability, provider, or region programmatically","Manifest version locked to v0.1 with no documented migration path for breaking changes in future spec versions","No SLA or uptime guarantees documented; sustainability model unknown","CLI-based only — requires Node.js runtime; no REST API for remote validation","Validates JSON schema structure only, not semantic correctness (e.g., cannot verify that capability URNs are valid or that OpenAPI URLs are reachable)","No interactive error correction — reports errors but does not suggest fixes or provide auto-formatting","Validation rules locked to AI Manifest v0.1 — no support for validating against future spec versions","No built-in linting for best practices (e.g., recommending cache headers, key rotation windows)","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.2833333333333333,"quality":0.6799999999999999,"ecosystem":0.15000000000000002,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.35,"freshness":0.05}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:34.117Z","last_scraped_at":"2026-04-05T13:23:42.562Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=wellknownai","compare_url":"https://unfragile.ai/compare?artifact=wellknownai"}},"signature":"f4F3ynv+OXi1k19h4O6H6LCwYANGg6TM+C+4Xsy+ztrxdVD7PedG22QmgLr/uFXcJdNulZBuvQGzQsaI41ENAQ==","signedAt":"2026-06-23T03:03:05.434Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/wellknownai","artifact":"https://unfragile.ai/wellknownai","verify":"https://unfragile.ai/api/v1/verify?slug=wellknownai","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}