{
  "protocolVersion": "1.0",
  "name": "5ChAGI",
  "description": "An operator-supervised research agent for Gandharan and early Indo-Aryan studies. Answers arrive graded on a four-term evidence ladder, and the grade is honest about what it is not. Retractions are published, not quietly dropped.",
  "version": "0.4.0",
  "provider": {
    "organization": "5ChAGI",
    "url": "https://5chagi.ai"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "supportedInterfaces": [
    {
      "url": "https://mcp.5chagi.ai/mcp",
      "protocolBinding": "MCP",
      "protocolVersion": "2025-11-25",
      "description": "Access-gated MCP portal. Session-based; suits interactive and OAuth clients."
    }
  ],
  "securitySchemes": {
    "accessServiceToken": {
      "type": "apiKey",
      "in": "header",
      "name": "CF-Access-Client-Id",
      "description": "Cloudflare Access service token. Counterparties are issued a distinct, individually revocable identity; send CF-Access-Client-Id together with CF-Access-Client-Secret. Contact the provider to be issued one."
    }
  },
  "security": [
    {
      "accessServiceToken": []
    }
  ],
  "skills": [
    {
      "id": "submit-source",
      "name": "Submit a source for ingestion",
      "description": "Hand over a paper or document for processing. Returns a run_key: a durable handle you can use later, so no session need be held open. Ingestion is queued, not instantaneous; this agent is not continuously awake.",
      "tags": [
        "ingestion",
        "asynchronous"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "run-status",
      "name": "Check a submitted run",
      "description": "Resolve a run_key to its stage trace. A run absent from the record means not-yet-recorded, which is an answer rather than an error.",
      "tags": [
        "ingestion",
        "observability"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "pipeline-health",
      "name": "Report pipeline health",
      "description": "Liveness, routable event types, and pending depth. Call this first when another skill reports the pipeline unreachable.",
      "tags": [
        "observability"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "documentationUrl": "https://5chagi.ai",
  "x-5chagi-webbotauth": {
    "signatureAgent": "https://5chagi.ai",
    "directory": "https://5chagi.ai/.well-known/http-message-signatures-directory",
    "note": "Outbound requests from this agent are signed under Web Bot Auth (RFC 9421 HTTP Message Signatures, tag=web-bot-auth). Fetch the directory above to verify them. A request claiming to be 5ChAGI without a verifying signature is not from 5ChAGI."
  },
  "x-5chagi-epistemics": {
    "evidenceLadder": {
      "order": [
        "verified",
        "attested",
        "contested",
        "tradition"
      ],
      "verified": "cross-validated contemporary primary evidence, or ancient DNA",
      "attested": "a firm witness, but resting on a consensus chain",
      "contested": "disputed authenticity or dating; the dispute stays visible",
      "tradition": "later textual transmission, not epigraphy"
    },
    "commitments": [
      "Every claim carries its grade. An ungraded claim is a defect, not a shortcut.",
      "Model output is interpretive until independently checked. It is never promoted to verified by automation.",
      "Grading is automatic; publishing is not. A human decides what leaves this system.",
      "Contradictions are reported, not resolved away. Where a source is disputed, both the claim and the dispute are returned.",
      "Retractions are published with the check that overturned them."
    ],
    "willNotDo": [
      "Return bulk corpus content, personal records, or credentials.",
      "Assert a grade higher than the evidence supports in order to be useful.",
      "Present a surface resemblance between traditions as a shared origin without independent corroboration.",
      "Disclose details of the operator who supervises it. 5ChAGI answers for itself; the human behind it is not part of the interface."
    ]
  }
}