H/M Content Credentials Evidence Verifier
Free C2PA 2.4 triage and reproducible official trust snapshot. No media, keys, or payment.
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Calidad y seguridad
Hallazgos (7)
- LOWen get_content_credentials_capabilities
- LOWen triage_c2pa_validation_statuses
- LOWen run_content_credentials_self_check
- LOWen verify_content_credentials_envelope
- LOWen verify_content_credentials_audit
- LOWen create_content_credentials_policy_profile
- LOWen verify_content_credentials_policy_decision
Basado en el análisis automatizado de las definiciones de herramientas y el cumplimiento del protocolo.
Costo de contexto
Este es el número aproximado de tokens que se consumen cada vez que las herramientas del servidor se cargan en el contexto de un modelo. Los recuentos más altos reducen la atención disponible para otras tareas.
Instalar
Instalación con un clic
Agrega esto a tu archivo `claude_desktop_config.json`:
{
"mcpServers": {
"content-credentials": {
"url": "https://agents.hogarmas.net/mcp/content-credentials"
}
}
}Puntos de conexión remotos
https://agents.hogarmas.net/mcp/content-credentialsstreamable-httpQué puede hacer
Inventario de herramientas
Herramientas (7)
🟢get_content_credentials_capabilities
Returns the free tools, byte limits, privacy behavior and interpretation boundaries before any evidence JSON is submitted.
Esquema de entrada
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢triage_c2pa_validation_statuses(codes, statusCodes)
Classifies up to 200 C2PA validation status observations against the complete 2.4 standard catalog, flags class mismatches, separates custom codes and returns bounded remediation. Accepts codes or crJSON-style status groups; no media, URL fetching, authentication or payment.
Esquema de entrada
{
"type": "object",
"properties": {
"codes": {
"description": "Unclassified C2PA status code strings",
"maxItems": 200,
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 160
}
},
"statusCodes": {
"description": "crJSON-style success, informational and failure arrays",
"type": "object",
"properties": {
"success": {
"maxItems": 200,
"type": "array",
"items": {
"anyOf": [
{
"type": "string",
"minLength": 1,
"maxLength": 160
},
{
"type": "object",
"properties": {
"code": {
"type": "string",
"minLength": 1,
"maxLength": 160
},
"url": {
"type": "string",
"maxLength": 2048
},
"explanation": {
"type": "string",
"maxLength": 2000
}
},
"required": [
"code"
]
}
]
}
},
"informational": {
"maxItems": 200,
"type": "array",
"items": {
"anyOf": [
{
"type": "string",
"minLength": 1,
"maxLength": 160
},
{
"type": "object",
"properties": {
"code": {
"type": "string",
"minLength": 1,
"maxLength": 160
},
"url": {
"type": "string",
"maxLength": 2048
},
"explanation": {
"type": "string",
"maxLength": 2000
}
},
"required": [
"code"
]
}
]
}
},
"failure": {
"maxItems": 200,
"type": "array",
"items": {
"anyOf": [
{
"type": "string",
"minLength": 1,
"maxLength": 160
},
{
"type": "object",
"properties": {
"code": {
"type": "string",
"minLength": 1,
"maxLength": 160
},
"url": {
"type": "string",
"maxLength": 2048
},
"explanation": {
"type": "string",
"maxLength": 2000
}
},
"required": [
"code"
]
}
]
}
}
}
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}Esquema de salida
{
"type": "object",
"properties": {
"schema": {
"type": "string",
"const": "hm.c2pa-status-triage.v1"
},
"ruleset": {
"type": "string"
},
"state": {
"type": "string",
"enum": [
"no-status-codes",
"failure-observed",
"review-required",
"vendor-review-required",
"informational-review",
"no-standard-failure-observed"
]
},
"summary": {
"type": "string"
},
"counts": {
"type": "object",
"properties": {
"observations": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"uniqueCodes": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"success": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"informational": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"failure": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"unclassified": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"standard": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"customOrUnknown": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"invalidFormat": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"classMismatches": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"observations",
"uniqueCodes",
"success",
"informational",
"failure",
"unclassified",
"standard",
"customOrUnknown",
"invalidFormat",
"classMismatches"
],
"additionalProperties": false
},
"affectedDomains": {
"type": "array",
"items": {
"type": "object",
"properties": {
"domain": {
"type": "string"
},
"codes": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"failures": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"domain",
"codes",
"failures"
],
"additionalProperties": false
}
},
"items": {
"type": "array",
"items": {
"type": "object",
"properties": {
"code": {
"type": "string"
},
"classification": {
"type": "string",
"enum": [
"standard",
"custom-or-unknown",
"invalid-format"
]
},
"effectiveClass": {
"type": "string",
"enum": [
"success",
"informational",
"failure",
"unclassified"
]
},
"standardClass": {
"anyOf": [
{
"type": "string",
"enum": [
"success",
"informational",
"failure"
]
},
{
"type": "null"
}
]
},
"observedClasses": {
"type": "array",
"items": {
"type": "string",
"enum": [
"success",
"informational",
"failure"
]
}
},
"classMismatch": {
"type": "boolean"
},
"occurrences": {
"type": "integer",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
},
"domain": {
"type": "string"
},
"scope": {
"type": "string"
},
"meaning": {
"type": "string"
},
"nextAction": {
"type": "string"
},
"submittedContext": {
"type": "object",
"properties": {
"urlPresent": {
"type": "boolean"
},
"explanationPresent": {
"type": "boolean"
},
"returned": {
"type": "boolean",
"const": false
}
},
"required": [
"urlPresent",
"explanationPresent",
"returned"
],
"additionalProperties": false
}
},
"required": [
"code",
"classification",
"effectiveClass",
"standardClass",
"observedClasses",
"classMismatch",
"occurrences",
"domain",
"scope",
"meaning",
"nextAction",
"submittedContext"
],
"additionalProperties": false
}
},
"source": {
"type": "object",
"properties": {
"specification": {
"type": "string"
},
"specificationVersion": {
"type": "string",
"const": "2.4"
},
"statusCodeReference": {
"type": "string"
},
"crJsonReference": {
"type": "string"
},
"catalogEntries": {
"type": "number",
"const": 115
},
"license": {
"type": "string"
}
},
"required": [
"specification",
"specificationVersion",
"statusCodeReference",
"crJsonReference",
"catalogEntries",
"license"
],
"additionalProperties": false
},
"privacy": {
"type": "object",
"properties": {
"sourceMediaAccepted": {
"type": "boolean",
"const": false
},
"urlsReturned": {
"type": "boolean",
"const": false
},
"submittedExplanationsReturned": {
"type": "boolean",
"const": false
},
"inputPersistedByCore": {
"type": "boolean",
"const": false
}
},
"required": [
"sourceMediaAccepted",
"urlsReturned",
"submittedExplanationsReturned",
"inputPersistedByCore"
],
"additionalProperties": false
},
"limitations": {
"type": "object",
"properties": {
"validatesAsset": {
"type": "boolean",
"const": false
},
"validatesManifest": {
"type": "boolean",
"const": false
},
"verifiesSignature": {
"type": "boolean",
"const": false
},
"establishesSignerTrust": {
"type": "boolean",
"const": false
},
"determinesTruth": {
"type": "boolean",
"const": false
},
"infersCustomCodeMeaning": {
"type": "boolean",
"const": false
},
"absenceOfFailureProvesValidity": {
"type": "boolean",
"const": false
}
},
"required": [
"validatesAsset",
"validatesManifest",
"verifiesSignature",
"establishesSignerTrust",
"determinesTruth",
"infersCustomCodeMeaning",
"absenceOfFailureProvesValidity"
],
"additionalProperties": false
}
},
"required": [
"schema",
"ruleset",
"state",
"summary",
"counts",
"affectedDomains",
"items",
"source",
"privacy",
"limitations"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}🟢run_content_credentials_self_check
Runs a deterministic, zero-input check of valid evidence, tamper detection and audit-chain verification using a synthetic fixture. No source media or caller data is used.
Esquema de entrada
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_content_credentials_envelope(envelope)
Checks the schema, privacy boundaries and canonical SHA-256 digest of an H/M evidence envelope. It does not inspect source media or authenticate an issuer.
Esquema de entrada
{
"type": "object",
"properties": {
"envelope": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {},
"description": "Privacy-minimized H/M evidence JSON envelope. Source media is not accepted."
}
},
"required": [
"envelope"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_content_credentials_audit(envelope)
Checks report identity, source-report digest and the local custody hash chain. It does not prove operator identity, authorship or factual truth.
Esquema de entrada
{
"type": "object",
"properties": {
"envelope": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {},
"description": "Privacy-minimized H/M evidence JSON envelope. Source media is not accepted."
}
},
"required": [
"envelope"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢create_content_credentials_policy_profile(preset, actions, name, purpose)
Creates one versioned policy profile from a fixed preset and optional rule overrides. It accepts no source media or evidence and does not authenticate the policy author.
Esquema de entrada
{
"type": "object",
"properties": {
"preset": {
"type": "string",
"enum": [
"editorial-review",
"trusted-distribution",
"archive-preservation",
"open-research"
]
},
"actions": {
"description": "Optional allow, review or hold overrides keyed by a published policy rule ID",
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {
"type": "string",
"enum": [
"allow",
"review",
"hold"
]
}
},
"name": {
"type": "string",
"maxLength": 120
},
"purpose": {
"type": "string",
"maxLength": 400
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_content_credentials_policy_decision(decision)
Checks the policy checksum, decision checksum, every per-item rule outcome and aggregate counts. It does not inspect source media, authenticate the sender or certify compliance.
Esquema de entrada
{
"type": "object",
"properties": {
"decision": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {},
"description": "H/M policy decision JSON exported by the browser-local Evidence Policy Lab"
}
},
"required": [
"decision"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}Prompts recomendados
get_content_credentials_capabilitiesget_content_credentials_capabilitiesComunidad
Evidencia