generated: '2026-09-11'
method: probed
source: https://platform-docs.sarj.ai/.well-known/agent-card.json
discovery:
  path: /.well-known/agent-card.json
  canonical: true
  host: platform-docs.sarj.ai
  notes: >-
    Found on the documentation host, not the API host. platform-api.sarj.ai, www.sarj.ai and sarj.ai all returned 404
    for both /.well-known/agent-card.json and the legacy /.well-known/agent.json. Not an SPA catch-all false positive:
    the same docs host returns a text/plain 404 "Asset not found" for /.well-known/agent.json and
    /.well-known/ai-plugin.json, so the 200 is a genuinely served document.
conformance:
  spec: A2A 1.0.0
  grade: conformant
  protocol_version: '0.3'
  preferred_transport: HTTP+JSON
  hard_checks:
    capabilities_is_object: true
    protocol_version_present: true
    skills_is_array: true
  optional_fields:
    preferred_transport: true
    default_input_modes: true
    default_output_modes: true
  deviations:
    - id: supported-interfaces-instead-of-additional-interfaces
      detail: >-
        The card declares additional transports under `supportedInterfaces`; A2A 1.0.0 names this field
        `additionalInterfaces`. Passes every hard conformance check, but the field name is non-canonical, so a strict
        1.0.0 parser will ignore the declared interface.
    - id: protocol-version-not-dotted-patch
      detail: >-
        `protocolVersion` is "0.3" rather than a full "0.3.0" triple. Accepted by most clients, but the A2A
        version string is specified as a semantic version.
card:
  name: Sarj.ai
  description: Voice AI platform — build production AI-powered phone calls
  url: https://platform-docs.sarj.ai/
  version: 1.0.0
  provider: Sarj.ai
  documentation_url: https://platform-docs.sarj.ai/
  capabilities:
    streaming: false
    push_notifications: false
  default_input_modes:
    - text/plain
  default_output_modes:
    - text/plain
  skills: 1
  skill_ids:
    - sarj
  changed_since_last_pass:
    - field: skills[0].description
      detail: >-
        Rewritten to name call scheduling, retry policies and webhooks. Tracks the four operations that
        shipped to the REST contract; the card is being maintained.
  file: sarj-ai-developer-api-agent-card.json
discovery_index:
  url: https://platform-docs.sarj.ai/.well-known/agent-skills/index.json
  http_status: 200
  schema: https://schemas.agentskills.io/discovery/0.2.0/schema.json
  saved_to: well-known/sarj-ai-developer-api-agent-skills-index.json
  digest_published: sha256:856e9f515005ebfd4e5b9cc6e522f9b43aa64d057f9727ec289f97e24103b528
  digest_verified: true
  note: >-
    NEW since the 2026-08 pass. An agentskills.io discovery document sits alongside the card and publishes a
    sha256 digest of the skill. We recomputed it over the file we harvested and it matches byte-for-byte, so
    the integrity claim is real and checkable — unusual on this surface.
linked_agent_skill:
  url: https://platform-docs.sarj.ai/.well-known/agent-skills/sarj/skill.md
  http_status: 200
  content_type: text/markdown; charset=utf-8
  saved_to: skills/sarj-ai-developer-api-sarj.md
  bytes: 9696
  sha256: 856e9f515005ebfd4e5b9cc6e522f9b43aa64d057f9727ec289f97e24103b528
  note: >-
    The agent card's single skill points at a provider-published Agent Skill document. This is a genuine
    provider-authored skill, harvested verbatim rather than generated. Rewritten and expanded by the provider
    since 2026-08 (9532 -> 9696 bytes, substantially restructured): it now covers scheduled calls, cancel and
    reschedule, retry policies and permanent_recording_url, and it drops the speech-API material.
x-evidence:
  fetched: '2026-09-11'
  url: https://platform-docs.sarj.ai/.well-known/agent-card.json
  http_status: 200
  content_type: application/json
  negative_probes:
    - url: https://platform-api.sarj.ai/.well-known/agent-card.json
      http_status: 404
    - url: https://platform-api.sarj.ai/.well-known/agent.json
      http_status: 404
    - url: https://www.sarj.ai/.well-known/agent-card.json
      http_status: 404
    - url: https://platform-docs.sarj.ai/.well-known/agent.json
      http_status: 404