{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://packs.agenthippo.ai/schema/v1/agent.json",
  "title": "AgentHippo Agent Pack Manifest",
  "description": "JSON Schema for agent.yaml — the Agent Pack manifest (Agent Pack Specification v1). Spec text and schema: CC BY 4.0. Canonical: https://packs.agenthippo.ai/spec/v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["apiVersion", "kind", "metadata", "spec"],
  "properties": {
    "apiVersion": {
      "type": "string",
      "const": "agenthippo.ai/v1",
      "description": "API group and version of this Agent Pack Specification revision."
    },
    "kind": {
      "type": "string",
      "const": "Agent",
      "description": "Resource kind. Always Agent for an Agent Pack manifest."
    },
    "metadata": {
      "type": "object",
      "additionalProperties": false,
      "required": ["name", "version"],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?$",
          "description": "Agent Pack id (stable kebab-case slug)."
        },
        "version": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+([.-][0-9A-Za-z.-]+)?$",
          "description": "Semantic version of this Agent Pack (independent of apiVersion)."
        },
        "description": {
          "type": "string",
          "description": "One-line summary for store search and review. Recommended."
        },
        "author": {
          "type": "string",
          "description": "Publisher credit for the Agent Pack."
        },
        "license": {
          "type": "string",
          "description": "Optional SPDX or free-form license for the Agent Pack contents."
        },
        "tags": {
          "type": "array",
          "items": { "type": "string", "minLength": 1 },
          "description": "Optional keywords for store discovery."
        }
      }
    },
    "spec": {
      "type": "object",
      "additionalProperties": true,
      "required": ["engine"],
      "properties": {
        "engine": {
          "type": "string",
          "minLength": 1,
          "description": "Which Agent Engine executes the agent loop. Built-ins and custom engine ids are allowed; common values include cursor, claude, codex, gemini, grok, rovo, openclaw, or a custom engine.mjs id.",
          "examples": ["cursor", "claude", "codex", "gemini", "grok", "rovo", "openclaw"]
        },
        "engineVersion": {
          "type": "string",
          "minLength": 1,
          "description": "Optional pin of the engine binary (e.g. Claude Code CLI version for engine claude)."
        },
        "model": {
          "type": "string",
          "minLength": 1,
          "description": "Model selector passed to the engine (provider/engine id). Use auto to let the engine choose when supported."
        },
        "cheapModel": {
          "type": "string",
          "minLength": 1,
          "description": "Optional cheaper model for background or subagent-style routing when the engine supports it."
        },
        "remote": {
          "type": "object",
          "additionalProperties": false,
          "required": ["url"],
          "properties": {
            "url": {
              "type": "string",
              "minLength": 1,
              "description": "When set, the pack runs at this URL instead of running spec.engine locally."
            }
          }
        },
        "permissions": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "fileAccess": {
              "type": "string",
              "enum": ["read-only", "workspace-write", "full"],
              "description": "Filesystem access scope. Defaults to full if omitted; production Agent Packs should set this explicitly."
            }
          }
        },
        "mcp": {
          "type": "array",
          "description": "MCP server configs the Agent Pack may call (paths relative to the Agent Pack root).",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["name", "config"],
            "properties": {
              "name": {
                "type": "string",
                "minLength": 1,
                "description": "Logical MCP server name."
              },
              "config": {
                "type": "string",
                "minLength": 1,
                "description": "Relative path to an MCP JSON config (e.g. ./mcp/databricks.mcp.json)."
              }
            }
          }
        },
        "skills": {
          "type": "array",
          "description": "Bundled skills (paths relative to the Agent Pack root).",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["path"],
            "properties": {
              "path": {
                "type": "string",
                "minLength": 1,
                "description": "Relative path to a skill directory or file."
              }
            }
          }
        },
        "data": {
          "type": "object",
          "additionalProperties": false,
          "description": "Optional pack data seeding when the workspace target is missing or empty.",
          "properties": {
            "sourcePath": {
              "type": "string",
              "minLength": 1,
              "description": "Source directory in the Agent Pack (relative). Default ./data."
            },
            "workspacePath": {
              "type": "string",
              "minLength": 1,
              "description": "Workspace-relative target directory for seeded data."
            }
          }
        }
      }
    },
    "computed": {
      "type": "object",
      "additionalProperties": false,
      "description": "Install/sync-time hashes. Usually omitted from authored agent.yaml; may appear after tooling writes them.",
      "properties": {
        "featureSetHash": { "type": "string" },
        "skillsSignature": { "type": "string" },
        "promptsSignature": { "type": "string" }
      }
    }
  },
  "examples": [
    {
      "apiVersion": "agenthippo.ai/v1",
      "kind": "Agent",
      "metadata": {
        "name": "warehouse-analyst",
        "version": "0.1.0",
        "author": "AgentHippo",
        "description": "Read-only warehouse analyst — answers questions against the warehouse via per-user (OBO) SQL access."
      },
      "spec": {
        "engine": "claude",
        "engineVersion": "2.1.209",
        "model": "claude-fable-5",
        "permissions": {
          "fileAccess": "read-only"
        },
        "mcp": [
          {
            "name": "databricks",
            "config": "./mcp/databricks.mcp.json"
          }
        ],
        "skills": [
          {
            "path": "./skills/sql-query"
          }
        ]
      }
    }
  ]
}