InitializeResult

The initialize result.

Fields and variants

• experimentalApi
• grantedCapabilities
• maxLimits — Experimental
• museHome
• platformFamily
• platformOs
• sandboxAvailability
• sandboxUnavailableReason
• schema
• serverInfo
• sessionDurability
• userAgent

Source

schema/msp/experimental/msp.schema.json#/types/InitializeResult

{
  "description": "The `initialize` result.",
  "properties": {
    "experimentalApi": {
      "description": "Echo of the effective negotiated experimental setting.",
      "type": "boolean"
    },
    "grantedCapabilities": {
      "description": "Subset of the requested capabilities, plus policy-implicit grants.\nFixed for the connection lifetime.",
      "items": {
        "$ref": "#/$defs/CapabilityName"
      },
      "type": "array"
    },
    "maxLimits": {
      "$ref": "#/$defs/SessionLimits",
      "description": "The host's posture ceiling as a five-axis limits object: what a connection may choose.\n**Experimental, same-user socket only** (`InitializeResult.maxLimits`; stripped for unopted callers per); absent means the host has\nno limits regime, so there is nothing to narrow and no read method\nto serve. Absent is never fabricated.",
      "x-msp-descriptor": "InitializeResult.maxLimits",
      "x-msp-stability": "experimental"
    },
    "museHome": {
      "description": "Absolute path of the muse home directory.",
      "type": "string"
    },
    "platformFamily": {
      "$ref": "#/$defs/PlatformFamily",
      "description": "Server runtime platform family."
    },
    "platformOs": {
      "$ref": "#/$defs/PlatformOs",
      "description": "Server operating system."
    },
    "sandboxAvailability": {
      "$ref": "#/$defs/SandboxAvailability",
      "description": "Whether this host can enforce the sandbox. Optional so adding it stays\nbackward compatible; a v1 host always sends it, and a client reads\nabsent as unknown — the host predates the field, so the client falls\nback to its own probe rather than inventing an answer."
    },
    "sandboxUnavailableReason": {
      "$ref": "#/$defs/SandboxUnavailableReason",
      "description": "Why enforcement is impossible. Sent only when `sandbox_availability`\nis `unavailable`; a client MUST NOT infer a reason when none is\nsent."
    },
    "schema": {
      "$ref": "#/$defs/SchemaInfo",
      "description": "Envelope schema version and stable-surface fingerprint."
    },
    "serverInfo": {
      "$ref": "#/$defs/ServerInfo",
      "description": "Server identification."
    },
    "sessionDurability": {
      "$ref": "#/$defs/SessionDurability",
      "description": "Whether this host persists its sessions. Optional so adding it stays\nbackward compatible; a v1 host always sends it, and a client reads\nabsent as `durable` because no server that omits it has the ephemeral\nprofile."
    },
    "userAgent": {
      "description": "Exact user-agent string presented to upstream model providers.",
      "type": "string"
    }
  },
  "required": [
    "experimentalApi",
    "grantedCapabilities",
    "museHome",
    "platformFamily",
    "platformOs",
    "schema",
    "serverInfo",
    "userAgent"
  ],
  "type": "object"
}