cognee-custom-graph-models SKILL.md skillA
cognee-custom-graph-models from topoteretes/cognee is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add topoteretes/cognee/cognee-custom-graph-models@git:20261009.200aa80Pins git:20261009.200aa80 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- topoteretes/cognee
- Path
.agents/skills/cognee-custom-graph-models/SKILL.md- Versions recorded
- 3
- Latest version
- git:20261009.200aa80, committed Oct 9, 2026
- First version recorded
- Sep 29, 2026
- Size
- 9,782 bytes
- Repository stars
- 33,092
- License
- Apache-2.0
Use when defining the shape of cognee's knowledge graph with graph_model= — writing DataPoint node classes, choosing identity and index fields so nodes merge and are searchable, declaring typed Edge fields and FromIdentity references, building a model from a JSON schema, or debugging duplicated nodes, missing edges, or InvalidReferenceTypeError.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Custom graph models
By default cognee extracts a generic `KnowledgeGraph` of entities and
relationships. Pass your own model with `graph_model=` and the LLM fills
your node and edge types instead.
```python
from typing import Annotated, Literal
import cognee
from cognee.low_level import DataPoint, Edge, FromIdentity
class Role(DataPoint):
name: str
metadata: dict = {"index_fields": ["name"], "identity_fields": ["name"]}
class Person(DataPoint):
name: str
is_a: Annotated[Role, FromIdentity()] | None = None # reference by name
reports_to: list[Edge["Person", "Person"]] = [] # edge owned by Person
metadata: dict = {"index_fields": ["name"], "identity_fields": ["name"]}
class PeopleGraph(DataPoint): # the root the LLM fills
people: list[Person]
friends_with: list[Edge[Person, Person]] = []
family: list[Edge[Person, Person, Literal["married_to", "sibling_of"]]] = []
metadata: dict = {"index_fields": [], "transparent": True}
await cognee.remember(text, graph_model=PeopleGraph, custom_prompt="Extract every person...")
```
Full example: `examples/guides/custom_graph_model.py`.
## Use it
### Nodes: DataPoint classes
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How to install
mdr add topoteretes/cognee/cognee-custom-graph-models@sha256:d0c7267f20d92979The line at the top of this page pins the label git:20261009.200aa80, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_jtk3njidj5n5krr7)
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Versions
The registry has recorded 3 versions of this file, between Sep 29, 2026 and Oct 9, 2026, about one every 5 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261009.200aa80 latest | 2026-10-09 | 200aa80 | 9,782 B | A | view · diff |
| git:20260929.6e7b2ca | 2026-09-29 | 6e7b2ca | 9,814 B | A | view · diff |
| git:20260929.d802d12 | 2026-09-29 | d802d12 | 9,851 B | A | view |
Audit of the latest version
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Source
topoteretes/cognee · 33,092 stars · license Apache-2.0 · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_jtk3njidj5n5krr7 GET https://markdownregistry.com/api/v1/resolve?ref=topoteretes/cognee/cognee-custom-graph-models GET https://markdownregistry.com/api/v1/blob/d0c7267f20d92979583d61123c766a767a78b628977da3fd3f89edd1b046aedc
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