generated: '2026-09-01'
method: probed
source: https://www.pathwren.workers.dev/.well-known/agent-card.json
discovery:
  path: /.well-known/agent-card.json
  canonical: true
  host: www.pathwren.workers.dev
  also_served_at:
  - path: /.well-known/agent.json
    canonical: false
    status: 200
    note: Legacy pre-0.3 path, byte-identical to the canonical one (both 5832 bytes). The provider's llms.txt states the same document is also returned from GET /a2a.
x-evidence:
  fetched: '2026-09-01'
  url: https://www.pathwren.workers.dev/.well-known/agent-card.json
  http_status: 200
  content_type: application/json
  bytes: 5832
  body_shape: JSON object with name, url, version, protocolVersion, capabilities, skills
card:
  name: AI Crawler Index
  version: 1.0.0
  protocolVersion: '1.0'
  url: https://www.pathwren.workers.dev/a2a
  preferredTransport: JSONRPC
  documentationUrl: https://www.pathwren.workers.dev/a2a.html
  provider:
    organization: Pathwren
    url: https://www.pathwren.workers.dev
  capabilities:
    streaming: false
    pushNotifications: false
    extendedAgentCard: false
  defaultInputModes:
  - application/json
  - text/plain
  defaultOutputModes:
  - application/json
  - text/plain
  skills:
  - classify_user_agent
  - lookup_crawler
  - list_crawlers
  - generate_robots_txt
  - is_verified_crawler_ip
  - whats_changed
  file: a2a/pathwren-agent-card.json
grade_basis:
  capabilities_is_object: true
  protocolVersion_present: true
  skills_is_array: true
  preferredTransport_present: true
  defaultInputModes_present: true
  defaultOutputModes_present: true
  every_skill_has_id_name_description_tags: true
deviations:
- field: supportedInterfaces
  observation: Declared alongside the legacy top-level `url`/`preferredTransport` pair, listing the same JSONRPC endpoint. Not a failure — it is the forward-compatible form plus the older one.
- field: capabilities.streaming / capabilities.pushNotifications
  observation: 'Both false and honestly so: the provider states in llms.txt that SendMessage answers with a Message rather than inventing a task id, and that there is no task store. Declaring the absence rather than claiming the capability is the correct posture.'
note: The six A2A skills are the same six tools the /mcp server exposes (see mcp/pathwren-tool-crosswalk.yml). This provider serves the same capability over three protocols — plain HTTP GETs described by OpenAPI 3.1, MCP Streamable HTTP, and A2A JSON-RPC — none of them gated.
conformance:
  grade: conformant