Update skill

{
  "type": "object",
  "properties": {
    "project_reference": {
      "type": "string",
      "description": "Project ID or slug"
    },
    "skill_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
      "description": "Required. Canonical skill name, also used as the skill directory name. Max 64 characters. Lowercase letters, numbers, and hyphens only. Must not start or end with a hyphen, and must not contain consecutive hyphens."
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
      "description": "Optional; when sent it must equal skill_id. Max 64 characters. Lowercase letters, numbers, and hyphens only. Must not start or end with a hyphen, and must not contain consecutive hyphens."
    },
    "description": {
      "type": "string",
      "minLength": 1,
      "maxLength": 1024,
      "description": "Required. Max 1024 characters. Non-empty. Describes what the skill does and when to use it."
    },
    "allowed_tools": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1,
        "description": "One allowed tool item associated with this record."
      },
      "description": "The allowed tools associated with this record."
    },
    "instructions": {
      "type": "string",
      "description": "Optional. Full markdown body of SKILL.md. Omit it to leave the existing body untouched; send it to replace the body wholesale."
    },
    "source_target_kind": {
      "type": "string",
      "description": "The source target kind associated with this record."
    },
    "target_branch_id": {
      "anyOf": [
        {
          "type": "string",
          "format": "uuid",
          "description": "The target branch id associated with this record."
        },
        {
          "type": "null",
          "description": "Provide the target branch id."
        }
      ],
      "description": "The target branch id associated with this record."
    }
  },
  "required": [
    "skill_id",
    "description"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Input schema for the update_skill tool."
}

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the record."
    },
    "name": {
      "type": "string",
      "description": "Human-readable name for the record."
    },
    "description": {
      "type": "string",
      "description": "Human-readable description for the record."
    },
    "source_path": {
      "type": "string",
      "description": "The source path associated with this record."
    },
    "edit_mode": {
      "type": "string",
      "enum": [
        "structured",
        "source_only"
      ],
      "description": "The edit mode associated with this record."
    },
    "allowed_tools": {
      "type": "array",
      "items": {
        "type": "string",
        "description": "One allowed tool item associated with this record."
      },
      "description": "The allowed tools associated with this record."
    },
    "instructions": {
      "type": "string",
      "description": "Full markdown body of SKILL.md, meaning everything below the frontmatter. Sending it replaces the whole body."
    },
    "source": {
      "type": "string",
      "description": "The source associated with this record."
    },
    "source_only_reasons": {
      "type": "array",
      "items": {
        "type": "string",
        "description": "One source only reason item associated with this record."
      },
      "description": "List of source only reasons associated with this record."
    }
  },
  "required": [
    "id",
    "name",
    "description",
    "source_path",
    "edit_mode",
    "instructions",
    "source",
    "source_only_reasons"
  ],
  "additionalProperties": false,
  "description": "Structured skill output schema for MCP tools.",
  "$schema": "http://json-schema.org/draft-07/schema#"
}