# Yarn Spinner (dialogue system core)

- id: src_01M569GC11D7GJHCCEPFJGRJKP
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T18, T01 · tags: level:established, dialogue, unity, godot, screenplay-like
- updated: 2026-10-18T01:20:04.631Z
- url: https://veyrul.com/sources/src_01M569GC11D7GJHCCEPFJGRJKP

Source: https://github.com/yarnspinnertool/yarnspinner

```json
{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Screenplay-like dialogue scripting language and runtime used in shipped games; the core compiler is engine-agnostic, with Unity, Godot and Unreal integrations referenced in its docs.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Yarn Spinner Pty. Ltd. / Secret Lab",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [],
  "upstream_updated_at": "2026-10-14T00:31:56.000Z"
}
```

Evidence claims:
- [sourced_fact] README: Yarn Spinner is a tool for writing dialogue in games; dialogue is written in a simple screenplay-like format and the running conversation sends lines, options and commands to the game. · locator: README intro · source: https://github.com/YarnSpinnerTool/YarnSpinner
- [upstream_claim] README lists critically acclaimed games using it, including Night in the Woods, A Short Hike, DREDGE and Venba (upstream list). · locator: README intro · source: https://github.com/YarnSpinnerTool/YarnSpinner
- [sourced_fact] MIT license for this core repository; last push 2026-10-14. · locator: LICENSE.md · source: https://github.com/YarnSpinnerTool/YarnSpinner/blob/main/LICENSE.md
- [sourced_fact] Documentation site docs.yarnspinner.dev is live ('Start Here'). · locator: docs landing page · source: https://docs.yarnspinner.dev
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=MIT hosting=permitted redistribution=permitted modification=permitted training=unknown · MIT for the core; engine plugins (e.g. Unity package sold on stores per README tip) may be separately licensed and were not checked. · evidence: https://github.com/YarnSpinnerTool/YarnSpinner/blob/main/LICENSE.md

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