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+---
+id: 01a13c3d-b2c5-7f7f-9e0f-4eda36e7a69e
+source: Local
+kind: Community
+start: 2026-10-13
+end: 2026-10-13
+url: https://robertblust.substack.com/p/companygraph-described-in-companygraph
+capacity: Producer
+skills:
+  - Context engineering
+  - Storytelling
+---
+
+# CompanyGraph, described in CompanyGraph
+
+> A seven-minute film on CompanyGraph's own software as its model describes it, published under a description that walks the parts the film gets right and names three places where it says more than the model does.
+
+## Achievements
+
+### Ways of working
+
+- Generated the film with Gemini Notebook from CompanyGraph's own model, where the parser, the checker, the site builder, the server and the chat are each a bounded context with the invariants it keeps written under a label, so the film walks the software as the model states it rather than as a script retells it.
+- Read the transcript against those invariants label by label before publishing and kept every place where the narration leaves the model, from a type check gateway that does not exist to the chat placed in the wrong context, so each could be named before anyone else names it.
+- Answered in the published description the three that would mislead a viewer: that the design strips an AI of its ability to invent, where it narrows what an agent has to guess and marks what it cannot back; that the checker refuses badly written pages, where every report says the writing rules were not checked; and that any of it is permanent, perfect or guaranteed.
+- Added a voice to the prompt for the next render, the one the earlier films were made under and a line against the absolute words this render used, because the hype words the earlier voice ruled out did not include them.
+
+### Sharing
+
+- Published it on Oct 13, 2026 as about seven minutes with a description that retells four parts of the software in the model's own words — a name that resolves to nothing stops the read, a check reads only the schemas the instance carries, a page is drawn from the model at a pinned commit, and every answer says which commit it was read at — and posted it on LinkedIn the next day around one rule, no edge points nowhere, held by the parser that reads the page it is written on.
+
+## References
+
+| What | URL |
+| --- | --- |
+| Post on LinkedIn of Oct 14, 2026 | https://www.linkedin.com/posts/robertblust_companygraph-guestgraph-softwarearchitecture-share-7516240541827715072-yC-A |
+| CompanyGraph's own model, where the software is described | https://github.com/companygraph/mental-model |