{
 "protocolVersion": "0.3.0",
 "name": "MTD Facts",
 "description": "Making Tax Digital for Income Tax, answered from GOV.UK: who is in from April 2026 and April 2027, the thresholds, the quarterly updates, penalties, exemptions and software rules, each answer with its GOV.UK source. Free JSON; the whole corpus priced.",
 "version": "2026.09.22",
 "url": "https://mtdfacts.co.uk/a2a",
 "preferredTransport": "JSONRPC",
 "supportedInterfaces": [
  {
   "url": "https://mtdfacts.co.uk/a2a",
   "protocolBinding": "JSONRPC",
   "transport": "JSONRPC",
   "protocolVersion": "0.3"
  }
 ],
 "provider": {
  "organization": "Axion Labs",
  "url": "https://getaxionlabs.com"
 },
 "documentationUrl": "https://mtdfacts.co.uk/for-agents",
 "capabilities": {
  "streaming": false,
  "pushNotifications": false,
  "stateTransitionHistory": false,
  "extensions": []
 },
 "securitySchemes": {
  "bearer": {
   "type": "http",
   "scheme": "bearer",
   "description": "Optional. An API key from https://mtdfacts.co.uk/agent/identity or https://mtdfacts.co.uk/api/key/free; every skill also answers without one."
  },
  "oauth2": {
   "type": "oauth2",
   "flows": {
    "clientCredentials": {
     "tokenUrl": "https://mtdfacts.co.uk/oauth/token",
     "scopes": {
      "read": "every free endpoint (they answer without a token too)",
      "bulk": "/api/bulk, every answer with its sources in one pull",
      "changes": "/api/changes, what moved since a date"
     }
    }
   }
  }
 },
 "security": [],
 "defaultInputModes": [
  "application/json",
  "text/plain"
 ],
 "defaultOutputModes": [
  "application/json",
  "text/plain"
 ],
 "skills": [
  {
   "id": "answers",
   "name": "Every MTD answer",
   "description": "Every answer on the site: slug, question, short answer, summary, FAQ pairs and the GOV.UK sources it rests on.",
   "tags": [
    "making-tax-digital",
    "uk-tax",
    "gov-uk"
   ],
   "examples": [
    "skill=answers"
   ],
   "inputModes": [
    "application/json",
    "text/plain"
   ],
   "outputModes": [
    "application/json",
    "text/plain"
   ]
  }
 ],
 "signatures": [
  {
   "protected": "eyJhbGciOiJFZERTQSIsImprdSI6Imh0dHBzOi8vbXRkZmFjdHMuY28udWsvLndlbGwta25vd24vandrcy5qc29uIiwia2lkIjoibXRkZmFjdHMtYW5zd2VyLTIwMjYtMDktMDYiLCJ0eXAiOiJKT1NFIn0",
   "signature": "bT0nYtamnbXl8s2t8xv6CbJvKWox5iEb-94_NpgkXff9uuv9YLyIH1dEcRzMIljoG1ny43KEYgbryXT3pEM9Bw"
  }
 ]
}