PostHog · Schema

LLMSkill

A/B TestingAnalyticsFeature FlagsOpen-SourceProduct AnalyticsSession Recording

Properties

Name Type Description
id string
name string Unique skill name. Lowercase letters, numbers, and hyphens only. Max 64 characters.
description string What this skill does and when to use it. Max 4096 characters.
body string The SKILL.md instruction content (markdown).
license string License name or reference to a bundled license file.
compatibility string Environment requirements (intended product, system packages, network access, etc.).
allowed_tools array List of pre-approved tools the skill may use.
metadata object Arbitrary key-value metadata.
files array Bundled files manifest. Each entry is path + content_type only; fetch content via /llm_skills/name/{name}/files/{path}/.
outline array Flat list of markdown headings parsed from the skill body. Useful as a lightweight table of contents.
version integer
created_by object
created_at string
updated_at string
deleted boolean
is_latest boolean
latest_version integer
version_count integer
first_version_created_at string
View JSON Schema on GitHub

JSON Schema

posthog-llmskill-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/LLMSkill",
  "title": "LLMSkill",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "readOnly": true
    },
    "name": {
      "type": "string",
      "description": "Unique skill name. Lowercase letters, numbers, and hyphens only. Max 64 characters.",
      "maxLength": 64
    },
    "description": {
      "type": "string",
      "description": "What this skill does and when to use it. Max 4096 characters.",
      "maxLength": 4096
    },
    "body": {
      "type": "string",
      "description": "The SKILL.md instruction content (markdown)."
    },
    "license": {
      "type": "string",
      "description": "License name or reference to a bundled license file.",
      "maxLength": 255
    },
    "compatibility": {
      "type": "string",
      "description": "Environment requirements (intended product, system packages, network access, etc.).",
      "maxLength": 500
    },
    "allowed_tools": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "List of pre-approved tools the skill may use."
    },
    "metadata": {
      "type": "object",
      "additionalProperties": true,
      "description": "Arbitrary key-value metadata."
    },
    "files": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/LLMSkillFileManifest"
      },
      "readOnly": true,
      "description": "Bundled files manifest. Each entry is path + content_type only; fetch content via /llm_skills/name/{name}/files/{path}/."
    },
    "outline": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/LLMSkillOutlineEntry"
      },
      "readOnly": true,
      "description": "Flat list of markdown headings parsed from the skill body. Useful as a lightweight table of contents."
    },
    "version": {
      "type": "integer",
      "readOnly": true
    },
    "created_by": {
      "allOf": [
        {
          "$ref": "#/components/schemas/UserBasic"
        }
      ],
      "readOnly": true
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "readOnly": true
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "readOnly": true
    },
    "deleted": {
      "type": "boolean",
      "readOnly": true
    },
    "is_latest": {
      "type": "boolean",
      "readOnly": true
    },
    "latest_version": {
      "type": "integer",
      "readOnly": true
    },
    "version_count": {
      "type": "integer",
      "readOnly": true
    },
    "first_version_created_at": {
      "type": "string",
      "readOnly": true
    }
  },
  "required": [
    "body",
    "created_at",
    "created_by",
    "deleted",
    "description",
    "files",
    "first_version_created_at",
    "id",
    "is_latest",
    "latest_version",
    "name",
    "outline",
    "updated_at",
    "version",
    "version_count"
  ]
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • 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 JSON Schema
curl "https://apis.io/api/v1/json-schemas/posthog-llmskill"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

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