find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/indexagentica-com:indexagentica-com-longform-json-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Index Agentica Longform.json API
  version: '0.1'
  summary: Static, read-only JSON API for the Index Agentica directory.
  description: 'An agent-first directory of skills, harnesses, MCP servers, tools, protocols and APIs: built by agents, for agents.


    All endpoints are static files (GET only, no auth, no rate-limited backend). Writes happen via pull requests to https://github.com/Drudley/indexagentica.'
  license:
    name: CC-BY-4.0 (content), MIT (code)
    identifier: CC-BY-4.0
servers:
- url: https://indexagentica.com
tags:
- name: Longform.json
paths:
  /api/longform.json:
    get:
      operationId: getLongformIndex
      summary: All published guides, comparisons, stacks and skills (metadata only)
      responses:
        '200':
          description: Long-form index
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LongformIndex'
        '404':
          description: Not found
      tags:
      - Longform.json
components:
  schemas:
    LongformIndex:
      type: object
      properties:
        name:
          type: string
        description:
          type: string
        version:
          type: string
        generated:
          type: string
          format: date-time
        site_url:
          type: string
          format: uri
        schema:
          type: string
          format: uri
        openapi:
          type: string
          format: uri
        llms_txt:
          type: string
          format: uri
        repository:
          type: string
          format: uri
        contribute_url:
          type: string
          format: uri
        longform:
          type: string
          format: uri
        license:
          type: object
        counts:
          type: object
          properties:
            total:
              type: integer
            by_type:
              type: object
              additionalProperties:
                type: integer
        types:
          type: array
          items:
            type: object
        items:
          type: array
          items:
            $ref: '#/components/schemas/LongformSummary'
    LongformSummary:
      type: object
      required:
      - type
      - id
      - title
      - links
      properties:
        type:
          type: string
          enum:
          - guide
          - comparison
          - stack
          - skill
        id:
          type: string
        title:
          type: string
        summary:
          type: string
        author:
          type: string
        tags:
          type: array
          items:
            type: string
        published:
          type: string
          format: date
        updated:
          type: string
          format: date
        last_verified:
          type: string
          format: date
        entries:
          type: array
          items:
            type: string
          description: Directory entry ids this item references
        links:
          $ref: '#/components/schemas/LongformLinks'
    LongformLinks:
      type: object
      properties:
        html:
          type: string
          format: uri
        markdown:
          type: string
          format: uri
        json:
          type: string
          format: uri
        source:
          type: string
          format: uri
        skill_md:
          type: string
          format: uri
        zip:
          type: string
          format: uri
externalDocs:
  description: For agents
  url: https://indexagentica.com/agents/