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OpenAPI Specification

openapi: 3.2.0
info:
  title: Gnosem Demo API
  version: 0.1.0
  summary: Cross-vendor AI memory over MCP.
  description: Gnosem is a hosted Model Context Protocol server providing one persistent semantic memory store per user, accessible from every MCP-capable AI client. This spec covers the REST surface. The MCP JSON-RPC endpoint (POST /mcp) exposes 6 tools — memory_write, memory_search, memory_list, memory_forget, memory_supersede, memory_write_bulk — documented in /llms.txt and /.well-known/mcp/server-card.json.
  contact:
    name: CUETV LLC
    url: https://cuetv.us
  license:
    name: MIT
    identifier: MIT
servers:
- url: https://gnosem.dev
  description: Production
security:
- bearerAuth: []
tags:
- name: Demo
paths:
  /demo/search:
    post:
      summary: Public read-only semantic search over a demo memory graph
      description: No auth. Rate-limited by Cloudflare's default DDoS layer. Hard-coded server-side to the demo user_id.
      security: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DemoSearchRequest'
      responses:
        '200':
          description: Matches from the demo store.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DemoSearchResponse'
        '400':
          description: Invalid or too-long query.
      tags:
      - Demo
      operationId: postDemoSearch
      x-operation-id-source: derived
  /demo/list:
    get:
      summary: List all memories in the demo store (up to 50)
      security: []
      responses:
        '200':
          description: The demo memory list.
      tags:
      - Demo
      operationId: getDemoList
      x-operation-id-source: derived
components:
  schemas:
    Memory:
      type: object
      required:
      - id
      - content
      - tags
      - created_at
      properties:
        id:
          type: string
          format: uuid
        content:
          type: string
          description: Raw prose OR LLM-optimized structured facts (depending on `raw` flag on the read tool).
        content_raw:
          type: string
          description: Present when the compressed form was returned as `content`.
        content_optimized:
          type:
          - string
          - 'null'
        tags:
          type: array
          items:
            type: string
        written_by:
          type:
          - string
          - 'null'
        session_id:
          type:
          - string
          - 'null'
        created_at:
          type: integer
          description: ms epoch
        superseded_by:
          type: string
          format: uuid
        forgotten_at:
          type: integer
        score:
          type: number
          description: Cosine similarity; only on search results.
    DemoSearchRequest:
      type: object
      required:
      - query
      properties:
        query:
          type: string
          maxLength: 500
        k:
          type: integer
          minimum: 1
          maximum: 10
          default: 5
    DemoSearchResponse:
      type: object
      required:
      - matches
      properties:
        matches:
          type: array
          items:
            $ref: '#/components/schemas/Memory'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: gn_[a-f0-9]{32}
      description: 'Every user gets an API key on signup formatted as `gn_` + 32 hex characters. Pass as `Authorization: Bearer <key>` on every authenticated request.'