{
  "openapi": "3.1.0",
  "info": {
    "title": "Index Agentica search API",
    "version": "0.1.0",
    "description": "Read-only search over the Index Agentica directory and its long-form content (guides, comparisons, stacks, skills). No auth, CORS open, rate limited per client IP. The same data is available over MCP at POST /mcp.",
    "license": {
      "name": "CC-BY-4.0 (content), MIT (code)"
    }
  },
  "servers": [
    {
      "url": "https://mcp.indexagentica.com"
    }
  ],
  "paths": {
    "/search": {
      "get": {
        "operationId": "search",
        "summary": "Search entries and long-form items (guides, comparisons, stacks, skills) by keywords, type, category and tags",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "schema": {
              "type": "string",
              "maxLength": 200
            },
            "description": "Search words"
          },
          {
            "name": "type",
            "in": "query",
            "schema": {
              "type": "string",
              "enum": [
                "entry",
                "guide",
                "comparison",
                "stack",
                "skill",
                "all"
              ],
              "default": "all"
            },
            "description": "Result type"
          },
          {
            "name": "category",
            "in": "query",
            "schema": {
              "type": "string"
            },
            "description": "Entry category slug (implies type entry)"
          },
          {
            "name": "tags",
            "in": "query",
            "schema": {
              "type": "string"
            },
            "description": "Comma-separated tags; all must match"
          },
          {
            "name": "limit",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 50,
              "default": 10
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Ranked results"
          },
          "400": {
            "description": "Bad request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate limited"
          }
        }
      }
    },
    "/entries/{id}": {
      "get": {
        "operationId": "getEntry",
        "summary": "Get one entry by id",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Entry (see https://indexagentica.com/schema/entry.schema.json)"
          },
          "404": {
            "description": "Not found, with suggestions",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/content": {
      "get": {
        "operationId": "listContent",
        "summary": "List published long-form items (metadata only)",
        "parameters": [
          {
            "name": "type",
            "in": "query",
            "schema": {
              "type": "string",
              "enum": [
                "guide",
                "comparison",
                "stack",
                "skill"
              ]
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Items"
          },
          "400": {
            "description": "Bad request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/content/{type}/{id}": {
      "get": {
        "operationId": "getContent",
        "summary": "Get one guide, comparison, stack or skill: metadata plus markdown",
        "parameters": [
          {
            "name": "type",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "guide",
                "comparison",
                "stack",
                "skill"
              ]
            }
          },
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
            }
          },
          {
            "name": "include_html",
            "in": "query",
            "schema": {
              "type": "boolean",
              "default": false
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Item (see LongformItem in https://indexagentica.com/openapi.json); skills include skill_md"
          },
          "400": {
            "description": "Bad request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Not found, with suggestions",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/.well-known/mcp/server-card.json": {
      "get": {
        "operationId": "getServerCard",
        "summary": "Static MCP server card (serverInfo, authentication, tools, resources, prompts), generated from the tool definitions",
        "responses": {
          "200": {
            "description": "Server card"
          }
        }
      }
    },
    "/categories": {
      "get": {
        "operationId": "listCategories",
        "summary": "List categories with counts",
        "responses": {
          "200": {
            "description": "Categories"
          }
        }
      }
    },
    "/mcp": {
      "post": {
        "operationId": "mcp",
        "summary": "MCP Streamable HTTP endpoint (JSON-RPC 2.0)",
        "responses": {
          "200": {
            "description": "JSON-RPC response"
          },
          "202": {
            "description": "Notification accepted"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Error": {
        "type": "object",
        "properties": {
          "error": {
            "type": "object",
            "properties": {
              "status": {
                "type": "integer"
              },
              "code": {
                "type": "string"
              },
              "message": {
                "type": "string"
              },
              "suggestions": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    }
  }
}