{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developers.ecocitizenz.com/schemas/action-envelopes/mcp-action-envelope.schema.json",
  "title": "MCP Action Envelope",
  "description": "MCP / tool / server posture path. Route-only, read-only. Does not create or change verification state, activate public proof, or set binding state.",
  "type": "object",
  "required": [
    "type",
    "version",
    "subject",
    "posture",
    "result",
    "missing_evidence",
    "recommended_path",
    "actions",
    "authority_boundary",
    "local_policy_decides",
    "recheck_before_reliance",
    "no_safety_or_approval_inference",
    "verifier_writes_truth",
    "verifier_activates_proof",
    "verifier_marks_bound"
  ],
  "additionalProperties": true,
  "properties": {
    "type": { "const": "ecz.mcp_action_envelope" },
    "version": { "type": "string" },
    "subject": {
      "type": "object",
      "required": ["target", "target_type"],
      "properties": {
        "target": { "type": "string" },
        "target_type": { "const": "mcp_server" }
      }
    },
    "posture": { "type": "string" },
    "result": { "type": "string" },
    "missing_evidence": { "type": "array", "items": { "type": "string" } },
    "recommended_path": {
      "type": "string",
      "enum": ["view_resolver_proof", "improve_resolver_posture", "repair_resolver_posture", "view_developer_guidance"]
    },
    "actions": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["label", "kind"],
        "properties": {
          "label": { "type": "string" },
          "kind": { "type": "string", "enum": ["route", "recheck"] },
          "url": { "type": ["string", "null"] }
        }
      }
    },
    "resolver_url": { "type": ["string", "null"] },
    "machine_json_url": { "type": ["string", "null"] },
    "trustops_action_url": { "type": "string" },
    "developer_guidance_url": { "type": "string" },
    "authority_boundary": { "type": "string" },
    "local_policy_decides": { "const": true },
    "recheck_before_reliance": { "const": true },
    "no_safety_or_approval_inference": { "const": true },
    "verifier_writes_truth": { "const": false },
    "verifier_activates_proof": { "const": false },
    "verifier_marks_bound": { "const": false }
  }
}