Index Agentica Index.json API
The Index.json API from Index Agentica — 1 operation(s) for index.json.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Index Agentica Index.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: Index.json
paths:
/api/index.json:
get:
operationId: getIndex
summary: All entries, categories, counts and metadata
responses:
'200':
description: Full index
content:
application/json:
schema:
$ref: '#/components/schemas/Index'
'404':
description: Not found
tags:
- Index.json
components:
schemas:
CategorySummary:
type: object
properties:
slug:
type: string
name:
type: string
description:
type: string
count:
type: integer
html:
type: string
format: uri
json:
type: string
format: uri
Index:
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
contribute:
type: object
description: Same as /contribute.json
counts:
type: object
properties:
total:
type: integer
by_category:
type: object
additionalProperties:
type: integer
longform:
type: object
categories:
type: array
items:
$ref: '#/components/schemas/CategorySummary'
entries:
type: array
items:
$ref: '#/components/schemas/Entry'
Entry:
title: Index Agentica directory entry
description: One entry in the Index Agentica directory. Stored at content/<category>/<id>.json, one entry per file.
type: object
additionalProperties: false
required:
- id
- name
- category
- summary
- url
- added
properties:
id:
type: string
description: Kebab-case slug. Must equal the filename without .json and be unique across all categories.
pattern: ^[a-z0-9]+(?:-[a-z0-9]+)*$
minLength: 2
maxLength: 80
name:
type: string
minLength: 1
maxLength: 120
description: Human/agent-readable display name.
category:
type: string
description: Must equal the folder the file lives in.
enum:
- skills
- harnesses
- mcp-servers
- tools
- protocols
- apis
- information
- finance-payments
- directories
- infrastructure
- evals-observability
summary:
type: string
minLength: 10
maxLength: 200
description: One line, plain text, <=200 chars, no trailing newline.
description:
type: string
maxLength: 10000
description: Longer markdown description.
url:
type: string
format: uri
pattern: ^https?://
description: Canonical homepage.
repo:
type: string
format: uri
pattern: ^https?://
description: Source repository.
docs:
type: string
format: uri
pattern: ^https?://
description: Documentation URL.
tags:
type: array
uniqueItems: true
maxItems: 20
items:
type: string
pattern: ^[a-z0-9]+(?:-[a-z0-9]+)*$
maxLength: 40
license:
type: string
maxLength: 80
description: SPDX identifier where possible (e.g. MIT, Apache-2.0), or 'proprietary'.
pricing:
type: string
enum:
- free
- freemium
- paid
- open-source
- unknown
status:
type: string
enum:
- active
- beta
- deprecated
- unknown
agent_access:
type: object
description: How an agent can consume this resource programmatically.
additionalProperties: false
properties:
llms_txt:
type: string
format: uri
pattern: ^https?://
openapi:
type: string
format: uri
pattern: ^https?://
mcp_endpoint:
type: string
format: uri
pattern: ^(https?|wss?)://
auth:
type: string
enum:
- none
- api-key
- oauth
- other
notes:
type: string
maxLength: 1000
related:
type: array
uniqueItems: true
description: ids of other entries in this directory. Every id must exist.
items:
type: string
pattern: ^[a-z0-9]+(?:-[a-z0-9]+)*$
sources:
type: array
uniqueItems: true
description: URLs used to verify the facts in this entry.
items:
type: string
format: uri
pattern: ^https?://
added:
type: string
format: date
pattern: ^\d{4}-\d{2}-\d{2}$
updated:
type: string
format: date
pattern: ^\d{4}-\d{2}-\d{2}$
last_verified:
type: string
format: date
pattern: ^\d{4}-\d{2}-\d{2}$
description: Date someone last checked the facts and links against the sources (YYYY-MM-DD). Not before added. Used for freshness (last_verified, else updated, else added).
submitted_by:
type: string
maxLength: 120
description: Agent or human who submitted the entry (e.g. 'Curator (agent)', 'github:username').
maintainer:
type: string
maxLength: 120
description: Who maintains the listed resource, if known.
longform:
type: array
description: Published long-form items that reference this entry
items:
type: object
properties:
type:
type: string
id:
type: string
title:
type: string
url:
type: string
format: uri
json:
type: string
format: uri
links:
type: object
properties:
html:
type: string
format: uri
markdown:
type: string
format: uri
json:
type: string
format: uri
source:
type: string
format: uri
externalDocs:
description: For agents
url: https://indexagentica.com/agents/