Server definition

Hash: sha256:8517006429e90d24fd48e1764791187073905710b08b03db27e6e3755a205b34
What it is: What a remote MCP server returned when asked what it offers: 2 tools

The blob, as servednamed by its sha256

{
  "instructions": "Use check_fact only before repeating a paid or slow read-only source-backed validation when the caller already has a known value. SAME_OBSERVED is recent shared evidence, not universal truth, and may be reused only if caller policy permits. CHANGED_OBSERVED, CONTESTED, STALE, UNKNOWN, or any CHECK error require normal authoritative validation. After independently validating the source, use observe_fact with the obtained value. Never turn hearsay or another SeenRelay result into an independent OBSERVE.",
  "tools": [
    {
      "description": "Cost preflight before repeated paid or slow source-backed validation, especially across an agent fleet. Use before paid web search, metered scraping, browser/extraction, rate-limited APIs or multi-step validation when the caller already has a known value. Returns SAME_OBSERVED, CHANGED_OBSERVED, CONTESTED, STALE or UNKNOWN. Only SAME_OBSERVED can be considered for caller-policy-gated reuse; every other status requires normal authoritative validation before OBSERVE. SeenRelay never browses or verifies externally.",
      "inputSchema": {
        "$defs": {
          "__schema0": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              },
              {
                "type": "null"
              },
              {
                "items": {
                  "$ref": "#/$defs/__schema0"
                },
                "type": "array"
              },
              {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              }
            ]
          }
        },
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "fact": {
            "description": "Source-backed fact coordinate whose recent shared evidence should be checked.",
            "properties": {
              "locator": {
                "description": "Stable source-native locator. Prefer this when the source exposes one.",
                "properties": {
                  "scheme": {
                    "description": "Source-native locator type: RFC 6901-style JSON pointer, stable HTML element id, or stable source-native key.",
                    "enum": [
                      "json_pointer",
                      "element_id",
                      "source_key"
                    ],
                    "type": "string"
                  },
                  "value": {
                    "description": "Source-native locator value. json_pointer values must begin with /; locator bytes are otherwise preserved.",
                    "maxLength": 1024,
                    "minLength": 1,
                    "type": "string"
                  }
                },
                "required": [
                  "scheme",
                  "value"
                ],
                "type": "object"
              },
              "predicate": {
                "description": "Stable shared machine identifier; identity-bearing only when locator is absent.",
                "maxLength": 128,
                "minLength": 1,
                "type": "string"
              },
              "qualifiers": {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "description": "Identity-bearing semantic qualifiers. Include only fields needed to distinguish otherwise identical source-backed facts.",
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              },
              "source": {
                "description": "Stable credential-free absolute HTTP(S) source URL. Tracking parameters are removed; authentication or signature query parameters are rejected.",
                "format": "uri",
                "maxLength": 2048,
                "type": "string"
              },
              "subject": {
                "description": "Human-readable label; excluded from canonical fact identity.",
                "maxLength": 256,
                "minLength": 1,
                "type": "string"
              }
            },
            "required": [
              "subject",
              "predicate",
              "source"
            ],
            "type": "object"
          },
          "known_value": {
            "$ref": "#/$defs/__schema0",
            "description": "Caller-known value to compare with recent observations. Mutable observed content is excluded from fact identity."
          },
          "max_age_seconds": {
            "description": "Maximum age, in seconds, of shared observations the caller is willing to consider. Omit to use the service default.",
            "maximum": 604800,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "fact",
          "known_value"
        ],
        "type": "object"
      },
      "name": "check_fact",
      "outputSchema": {
        "$defs": {
          "__schema0": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              },
              {
                "type": "null"
              },
              {
                "items": {
                  "$ref": "#/$defs/__schema0"
                },
                "type": "array"
              },
              {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              }
            ]
          }
        },
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": {},
        "description": "CHECK result. Exactly one of a decision status or an error is expected; additional evidence fields may be present.",
        "properties": {
          "error": {
            "additionalProperties": {},
            "description": "Present instead of a decision status when CHECK cannot be admitted or is controlled.",
            "properties": {
              "code": {
                "description": "Stable machine-readable service/admission error code.",
                "type": "string"
              },
              "detail": {
                "description": "Human-readable error detail. A tool error is not evidence that the source value is unchanged.",
                "type": "string"
              }
            },
            "required": [
              "code",
              "detail"
            ],
            "type": "object"
          },
          "fact_key": {
            "description": "Canonical SeenRelay fact identity for this coordinate.",
            "type": "string"
          },
          "hive": {
            "$ref": "#/$defs/__schema0",
            "description": "Current bounded Hive admission/lease state."
          },
          "next_step": {
            "const": "VALIDATE_THEN_OBSERVE",
            "description": "Explicit cold/stale-path instruction: validate the authoritative source normally, then OBSERVE the independently obtained result.",
            "type": "string"
          },
          "status": {
            "description": "Decision status when CHECK succeeds. Only SAME_OBSERVED can be considered for reuse, and only under caller policy. CHANGED_OBSERVED, CONTESTED, STALE and UNKNOWN require normal authoritative validation before any OBSERVE.",
            "enum": [
              "SAME_OBSERVED",
              "CHANGED_OBSERVED",
              "CONTESTED",
              "STALE",
              "UNKNOWN"
            ],
            "type": "string"
          },
          "useful_reuse_awards": {
            "description": "Qualified reuse awards attributable to this CHECK under SeenRelay telemetry rules; not a truth or independence score.",
            "maximum": 9007199254740991,
            "minimum": 0,
            "type": "integer"
          }
        },
        "type": "object"
      }
    },
    {
      "description": "After independently performing a source-backed validation, deposit the observed result for later CHECKs. Returns accepted=true when a new observation is stored or deduplicated=true for a recognized retry/recent duplicate. Never OBSERVE hearsay. Optional Ed25519 proof establishes key possession and continuity, not truth or real-world independence.",
      "inputSchema": {
        "$defs": {
          "__schema0": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              },
              {
                "type": "null"
              },
              {
                "items": {
                  "$ref": "#/$defs/__schema0"
                },
                "type": "array"
              },
              {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              }
            ]
          }
        },
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "evidence_fingerprint": {
            "description": "Optional caller-supplied fingerprint of the independently obtained evidence. SeenRelay stores it as provenance metadata and does not verify it against the source.",
            "maxLength": 256,
            "minLength": 1,
            "type": "string"
          },
          "fact": {
            "description": "Source-backed fact coordinate for the independently obtained observation.",
            "properties": {
              "locator": {
                "description": "Stable source-native locator. Prefer this when the source exposes one.",
                "properties": {
                  "scheme": {
                    "description": "Source-native locator type: RFC 6901-style JSON pointer, stable HTML element id, or stable source-native key.",
                    "enum": [
                      "json_pointer",
                      "element_id",
                      "source_key"
                    ],
                    "type": "string"
                  },
                  "value": {
                    "description": "Source-native locator value. json_pointer values must begin with /; locator bytes are otherwise preserved.",
                    "maxLength": 1024,
                    "minLength": 1,
                    "type": "string"
                  }
                },
                "required": [
                  "scheme",
                  "value"
                ],
                "type": "object"
              },
              "predicate": {
                "description": "Stable shared machine identifier; identity-bearing only when locator is absent.",
                "maxLength": 128,
                "minLength": 1,
                "type": "string"
              },
              "qualifiers": {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "description": "Identity-bearing semantic qualifiers. Include only fields needed to distinguish otherwise identical source-backed facts.",
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              },
              "source": {
                "description": "Stable credential-free absolute HTTP(S) source URL. Tracking parameters are removed; authentication or signature query parameters are rejected.",
                "format": "uri",
                "maxLength": 2048,
                "type": "string"
              },
              "subject": {
                "description": "Human-readable label; excluded from canonical fact identity.",
                "maxLength": 256,
                "minLength": 1,
                "type": "string"
              }
            },
            "required": [
              "subject",
              "predicate",
              "source"
            ],
            "type": "object"
          },
          "idempotency_key": {
            "description": "Caller-chosen retry key for the same OBSERVE operation. Reusing it deduplicates an idempotent retry.",
            "maxLength": 128,
            "minLength": 1,
            "type": "string"
          },
          "observed_at": {
            "description": "ISO-8601 time when the caller obtained the observation. Omit to use server receipt time.",
            "type": "string"
          },
          "observer_id": {
            "description": "Optional self-asserted continuity label. It is unverified unless accompanied by observer_proof.",
            "maxLength": 128,
            "minLength": 1,
            "type": "string"
          },
          "observer_proof": {
            "description": "Optional Ed25519 proof of key possession, continuity and payload integrity; not proof of truth or real-world independence.",
            "properties": {
              "nonce": {
                "description": "16..64 random bytes encoded as unpadded base64url.",
                "maxLength": 128,
                "minLength": 1,
                "type": "string"
              },
              "public_key": {
                "description": "Raw 32-byte Ed25519 public key encoded as unpadded base64url.",
                "maxLength": 128,
                "minLength": 1,
                "type": "string"
              },
              "scheme": {
                "const": "ed25519-v1",
                "description": "Observer proof contract version.",
                "type": "string"
              },
              "signature": {
                "description": "Raw 64-byte Ed25519 signature encoded as unpadded base64url.",
                "maxLength": 256,
                "minLength": 1,
                "type": "string"
              },
              "timestamp": {
                "description": "ISO-8601 signing time; it must fall within the configured proof-skew window.",
                "maxLength": 64,
                "minLength": 1,
                "type": "string"
              }
            },
            "required": [
              "scheme",
              "public_key",
              "timestamp",
              "nonce",
              "signature"
            ],
            "type": "object"
          },
          "source_validator": {
            "description": "Optional source-validator metadata from the independent validation. The caller decides whether a returned hint is sufficient for source confirmation.",
            "properties": {
              "kind": {
                "description": "Type of observer-supplied source-validator metadata.",
                "enum": [
                  "etag",
                  "last_modified",
                  "content_hash",
                  "other"
                ],
                "type": "string"
              },
              "value": {
                "description": "Observer-supplied validator value. Stored and returned only as a hint; SeenRelay does not verify it against the source.",
                "maxLength": 512,
                "minLength": 1,
                "pattern": "^[^\\r\\n]+$",
                "type": "string"
              }
            },
            "required": [
              "kind",
              "value"
            ],
            "type": "object"
          },
          "value": {
            "$ref": "#/$defs/__schema0",
            "description": "Value independently obtained by the caller. Mutable observed content is excluded from fact identity."
          }
        },
        "required": [
          "fact",
          "value"
        ],
        "type": "object"
      },
      "name": "observe_fact",
      "outputSchema": {
        "$defs": {
          "__schema0": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "number"
              },
              {
                "type": "boolean"
              },
              {
                "type": "null"
              },
              {
                "items": {
                  "$ref": "#/$defs/__schema0"
                },
                "type": "array"
              },
              {
                "additionalProperties": {
                  "$ref": "#/$defs/__schema0"
                },
                "propertyNames": {
                  "type": "string"
                },
                "type": "object"
              }
            ]
          }
        },
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": {},
        "description": "OBSERVE result. accepted=true means a new observation was stored; deduplicated=true means the retry/recent duplicate was recognized.",
        "properties": {
          "accepted": {
            "description": "True when a new independently obtained observation was stored. Omitted when OBSERVE cannot be admitted.",
            "type": "boolean"
          },
          "deduplicated": {
            "description": "True when an idempotent/recent duplicate was recognized and no new observation row was needed.",
            "type": "boolean"
          },
          "error": {
            "additionalProperties": {},
            "description": "Present when OBSERVE cannot be admitted or is controlled. This is not a statement about source truth.",
            "properties": {
              "code": {
                "description": "Stable machine-readable service/admission error code.",
                "type": "string"
              },
              "detail": {
                "description": "Human-readable error detail. A tool error is not evidence that the source value is unchanged.",
                "type": "string"
              }
            },
            "required": [
              "code",
              "detail"
            ],
            "type": "object"
          },
          "fact_key": {
            "description": "Canonical SeenRelay fact identity for this coordinate.",
            "type": "string"
          },
          "future_check_eligible": {
            "description": "Whether the accepted or deduplicated observation is eligible to support later CHECKs under normal freshness rules.",
            "type": "boolean"
          },
          "hive": {
            "$ref": "#/$defs/__schema0",
            "description": "Current bounded Hive admission/lease state."
          },
          "reason": {
            "description": "Deduplication reason when accepted=false and deduplicated=true.",
            "type": "string"
          }
        },
        "type": "object"
      }
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:8517006429e90d24fd48e1764791187073905710b08b03db27e6e3755a205b34 | sha256sum