valuecontextprotocol.org

{
  "name": "vcp_chat",
  "kind": "act",
  "impl": "imperative",
  "description": "Send a message to a VCP-aware AI assistant. Optionally include VCP context (constraint flags and personal state); servers may ignore other fields.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": {
        "type": "string",
        "description": "The user message to send"
      },
      "vcp_context": {
        "type": "object",
        "description": "Optional VCP context object, typically with constraints and personal_state."
      },
      "constitution_id": {
        "type": "string",
        "description": "Constitution ID, a VCP/I token with at least three segments (e.g. 'personal.growth.creative', the default)."
      },
      "persona": {
        "type": "string",
        "enum": [
          "muse",
          "ambassador",
          "godparent",
          "sentinel",
          "mediator",
          "nanny"
        ],
        "description": "AI persona to use. Defaults to ambassador."
      }
    },
    "required": [
      "query"
    ]
  },
  "page": "/docs/getting-started/"
}

{
  "name": "vcp_build_token",
  "kind": "act",
  "impl": "imperative",
  "description": "Build a multi-line CSM-1 v1.1 token from a VCP context object: header, constitution, persona letter and adherence, goal, constraint flags, public flags, private-context markers (never values) and, if present, the personal-state R-line.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "vcp_context": {
        "type": "object",
        "description": "VCP context object. Must include at least vcp_version, profile_id, and constitution (with id and version)."
      }
    },
    "required": [
      "vcp_context"
    ]
  },
  "page": "/docs/getting-started/"
}

{
  "name": "vcp_parse_token",
  "kind": "act",
  "impl": "imperative",
  "description": "Parse a CSM-1 token string back into structured VCP context data. Uses the WASM parser if available, otherwise falls back to a JavaScript parser.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "token": {
        "type": "string",
        "description": "CSM-1 token string (newline-separated lines)"
      }
    },
    "required": [
      "token"
    ]
  },
  "page": "/docs/getting-started/"
}

{
  "name": "vcp_transmission_summary",
  "kind": "act",
  "impl": "imperative",
  "description": "Analyze a VCP context to show what data would be transmitted to an AI, what is withheld (private), and what influences responses without being exposed. Privacy transparency tool.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "vcp_context": {
        "type": "object",
        "description": "VCP context object to analyze for privacy and transparency."
      }
    },
    "required": [
      "vcp_context"
    ]
  },
  "page": "/docs/getting-started/"
}

{
  "name": "vcp_list_personas",
  "kind": "answer",
  "impl": "imperative",
  "description": "List all available VCP personas with their descriptions and recommended use cases. Personas shape how the AI communicates and what it prioritizes.",
  "inputSchema": {
    "type": "object",
    "properties": {}
  },
  "page": "/docs/getting-started/"
}