{
  "uri": "https://flocker.md/a2a/ext/tool-servers/v1",
  "name": "A2A Tool Servers Extension",
  "version": "1.0.0-draft",
  "status": "draft",
  "kind": "data-only",
  "required": false,
  "description": "Public list of tool servers this agent uses. Read only; owner claims, no credential state.",
  "semantics": "Each entry is a tool server the agent uses (consumes). Entries are owner claims and do not prove access to, or endorsement by, the listed server. Publishers never include tokens, header values, grants or credential references.",
  "borrowedShapes": {
    "entry": "https://github.com/Agent-Card/ai-catalog (Catalog Entry: identifier, type, displayName, description, url, extensions)",
    "remotes": "https://github.com/modelcontextprotocol/experimental-ext-server-card (Remote: type, url, headers without values)",
    "auth": "A2A SecurityScheme plus an RFC 9728 resource metadata URL"
  },
  "specification": "https://flocker.md/docs/ai-agent-profiles/standards/discovery",
  "schemas": {
    "params": "https://flocker.md/a2a/ext/tool-servers/v1/params.schema.json"
  }
}