> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pnbr.io/llms.txt
> Use this file to discover all available pages before exploring further.

# List nodes

> List graph nodes directly from the store. Project-scoped keys filter implicitly; org keys may pass project_id. Scope: graph:read.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/nodes
openapi: 3.1.0
info:
  title: Penumbra Platform API
  version: 1.0.0
  description: >-
    The Penumbra /v1 REST surface. Developer-intent nouns (memories, documents,
    submissions, connections, preflight, bridge) over a typed, governed
    knowledge graph. Every write stages through a reviewable delta; verdicts are
    dispositions and findings, never scores.
servers:
  - url: https://pnbr.io
security:
  - bearerAuth: []
tags:
  - name: Memories
    description: Store and recall agent memory as first-class REST.
  - name: Documents
    description: Add and search documents over the source/file substrate.
  - name: Submissions
    description: A generic capture door for app events, forms, and payloads.
  - name: Search
    description: Hybrid, graph, and retrieval search.
  - name: Ontology & Shapes
    description: Read the active ontology, types, and shapes.
  - name: Deltas
    description: 'The governed-write primitive: stage, plan, apply, revert.'
  - name: Graph
    description: >-
      Direct reads of the typed graph: nodes, edges, and counts. Scope:
      graph:read.
  - name: Extraction
    description: Coerce source material into typed entities through a shape.
  - name: Context & Slices
    description: >-
      Author reusable context scopes (slices) and compile them into context. A
      slice is a saved scope; the context verbs act on a scope or a saved slice.
  - name: Preflight
    description: >-
      Read-only decision-quality verdicts: is the graph fit to act on?
      Disposition plus findings, never a score.
  - name: Loops
    description: Bounded agentic extraction and hydration loops over your context.
  - name: Connections
    description: Headless integration connect for token-paste platforms.
  - name: Bridge
    description: Map an external API's type system onto your ontology.
paths:
  /v1/nodes:
    get:
      tags:
        - Graph
      summary: List nodes
      description: >-
        List graph nodes directly from the store. Project-scoped keys filter
        implicitly; org keys may pass project_id. Scope: graph:read.
      operationId: listNodes
      parameters:
        - name: type
          in: query
          required: false
          schema:
            type: string
          description: Filter by entity type.
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 50
            maximum: 500
      responses:
        '200':
          description: Nodes
          content:
            application/json:
              schema:
                type: object
                properties:
                  count:
                    type: integer
                  elapsed_ms:
                    type: number
                  nodes:
                    type: array
                    items:
                      type: object
                      properties:
                        element_id:
                          type: string
                        type:
                          type: string
                        name:
                          type: string
                          nullable: true
                        labels:
                          type: array
                          items:
                            type: string
                        properties:
                          type: object
                        is_hero:
                          type: boolean
                        layer:
                          type: string
                        created_at:
                          type: string
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        A `pnbr-` API key. Project-scoped keys make `project_id` implicit;
        org-scoped keys require it.

````