nomos-governance

endpoint

https://www.nomosprotocol.com/api/mcp

protocol

http-sse ·2025-06-18

authentication

none observed

public key

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karma

0 · newcomer

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• verify_decision auth-required 5h ago

  Check whether an AI decision is allowed, denied, or needs escalation according to a sealed NOMOS governance artifact. Always returns `allowed` (boolean) — that field is safe to read regardless of which artifact type answered. The rest of the shape genuinely differs by artifact type, because it proxies two different underlying endpoints: pub_ demo artifacts return a flat shape (`outcome`: auto_approved/auto_rejected/escalated, `rule_applied`, `rule_reference`, flat `confidence` and `audit_hash`); your own sealed artifacts from Studio return a nested shape (`verdict`: approved/rejected/escalated, a nested `rule` object, and nested `confidence`/`audit`/`performance` objects). See outputSchema for both exact shapes — do not assume one without checking which kind of artifact_id was passed. Use artifact IDs starting with pub_ for public demo artifacts that require no API key: pub_lending_v1 (loan approval), pub_refund_v1 (refund policy), pub_fraud_v1 (fraud detection), pub_hr_leave_v1 (HR leave approval), pub_kyc_v1 (KYC/identity).

  mcp-tool

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  {
    "type": "object",
    "required": [
      "artifact_id",
      "decision",
      "inputs"
    ],
    "properties": {
      "inputs": {
        "type": "object",
        "description": "Key/value input fields for rule evaluation (e.g. {\"amount\": 5000, \"credit_score\": 720}). Fields must match the artifact's declared data contract."
      },
      "api_key": {
        "type": "string",
        "description": "NOMOS API key (nmk_live_...). Not required for pub_ artifacts."
      },
      "decision": {
        "type": "string",
        "description": "The action or decision being checked, as a verb phrase (e.g. \"approve_loan\", \"process_refund\", \"approve_leave\"). Should match an action defined in the artifact."
      },
      "domain_id": {
        "type": "number",
        "description": "Your NOMOS domain ID. Required for custom artifacts created in Studio. Not needed for pub_ artifacts."
      },
      "artifact_id": {
        "type": "string",
        "description": "Sealed artifact ID to evaluate against. Use pub_lending_v1, pub_refund_v1, pub_fraud_v1, pub_hr_leave_v1, or pub_kyc_v1 for public demos. Use your own artifact ID from Studio for custom governance."
      }
    }
  }

  arguments 30 lines copy
• detect_contradictions auth-required 5h ago

  Analyze policy documents (and optional behavioral decision logs) to detect contradictions, hidden rules, and gaps between declared policy and observed behavior. Stateless — no artifact is created and nothing is persisted. Returns contradiction types: threshold_conflicts (numeric rule overlaps), ghost_terms (undefined terms used in rules), role_conflicts (same action allowed by one role, denied by another), rule_collisions (direct logical conflicts), and layer_divergences (policy says X but behavioral data shows Y).

  mcp-tool

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  {
    "type": "object",
    "required": [
      "documents"
    ],
    "properties": {
      "api_key": {
        "type": "string",
        "description": "NOMOS API key (nmk_live_...)."
      },
      "documents": {
        "type": "array",
        "items": {
          "type": "object",
          "required": [
            "filename",
            "content"
          ],
          "properties": {
            "content": {
              "type": "string",
              "description": "Plain text content of the document."
            },
            "filename": {
              "type": "string",
              "description": "Original filename (e.g. credit-policy.txt)."
            },
            "source_type": {
              "enum": [
                "policy",
                "email",
                "spreadsheet",
                "transcript"
              ],
              "type": "string",
              "description": "Document type hint."
            }
          }
        },
        "description": "Policy documents to analyze for contradictions."
      },
      "behavioral_logs": {
        "type": "array",
        "items": {
          "type": "object",
          "description": "One row of historical decision data."
        },
        "description": "Optional historical decision records. Enables layer_divergence detection — surfaces behavioral patterns that deviate from written policy."
      }
    }
  }

  arguments 51 lines copy
• generate_governance auth-required never probed

  Convert one or more policy documents into a sealed NOMOS governance artifact (.nomos). Extracts executable rules using Claude, detects contradictions between rules, computes an Autonomy Readiness Index (ARI) score (0–1), and cryptographically seals the result. Returns an artifact_id you can use with verify_decision immediately. Optionally accepts historical behavioral decision logs to add a behavioral evidence layer and reach CERTIFIED confidence tier.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "name",
      "organization",
      "documents"
    ],
    "properties": {
      "name": {
        "type": "string",
        "description": "Human-readable name for the governance artifact (e.g. \"Loan Approval Policy v2\", \"HR Leave Rules\")."
      },
      "domain": {
        "type": "string",
        "description": "Industry or domain hint (e.g. \"lending\", \"hr\", \"e-commerce\", \"healthcare\", \"insurance\"). Improves extraction accuracy."
      },
      "api_key": {
        "type": "string",
        "description": "NOMOS API key (nmk_live_...)."
      },
      "documents": {
        "type": "array",
        "items": {
          "type": "object",
          "required": [
            "filename",
            "content"
          ],
          "properties": {
            "content": {
              "type": "string",
              "description": "Plain text content of the document."
            },
            "filename": {
              "type": "string",
              "description": "Original filename including extension (e.g. \"credit-policy.pdf\"). Used for provenance tracking."
            },
            "source_type": {
              "enum": [
                "policy",
                "email",
                "spreadsheet",
                "transcript"
              ],
              "type": "string",
              "description": "Document type hint for extraction heuristics. Defaults to \"policy\"."
            }
          }
        },
        "description": "Policy documents to extract governance rules from. Each item must have filename and content (plain text)."
      },
      "organization": {
        "type": "string",
        "description": "Name of the organization this artifact governs (e.g. \"Acme Bank\", \"HealthCorp\")."
      },
      "behavioral_logs": {
        "type": "array",
        "items": {
          "type": "object",
          "description": "One row of historical decision data as a key/value object."
        },
        "description": "Optional historical decision records (CSV rows as objects) for behavioral triangulation. Minimum 10 rows recommended."
      }
    }
  }

  arguments 65 lines copy
• ask_authority auth-required never probed

  Query a published authority on the NOMOS Exchange marketplace — a different system from verify_decision's own governance artifacts. Every public authority (e.g. eu-ai-act.nomos) is queryable with no key. Returns the authority's own verdict (AUTHORIZED/DENIED/ESCALATED), the exact rule and reason, and a permanent, cryptographically-bound transcript (query_id + url) — replayable evidence, not just a reply. Nothing is invented or paraphrased: the verdict is the authority's sealed rules evaluated against your inputs. The default response is a short, curated summary (verdict, matched rule, source citation when the artifact has one, transparency/completeness disclosures, transcript link) — not the full rule-by-rule evaluation trace. Set include_evaluation_trace: true to get that complete diagnostic record when you or the user actually need it.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "authority",
      "inputs"
    ],
    "properties": {
      "action": {
        "type": "string",
        "description": "Optional label for what this query represents, for the caller's own transcript record (e.g. \"pre-deployment check\"). Purely descriptive — does not affect the verdict."
      },
      "inputs": {
        "type": "object",
        "description": "Key/value facts to evaluate against the authority's rules (e.g. {\"ai_categorises_biometric_data_for_sensitive_attributes\": true}). Fields must match the authority's vocabulary — see the atlas endpoint or the artifact's catalog page."
      },
      "authority": {
        "type": "string",
        "description": "The Exchange artifact's standard name — its short slug, optionally \".nomos\"-suffixed (e.g. \"eu-ai-act\" or \"eu-ai-act.nomos\"), or its raw artifact ID. Browse the catalog at https://www.nomosprotocol.com/exchange."
      },
      "exchange_api_key": {
        "type": "string",
        "description": "Exchange API key (nxk_...). Optional for free/public queries. Required only for metered access to licensed (paid) authorities beyond their free allotment."
      },
      "include_evaluation_trace": {
        "type": "boolean",
        "description": "Set true to receive the full rule-by-rule evaluation trace (every rule checked, every missing field) instead of the default curated summary. Most callers never need this."
      }
    }
  }

  arguments 29 lines copy

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