# strata19.library_manage
URL: /documentation/reference/tools/library_manage



{/* GENERATED FILE — do not edit. Sources: src/mcp/facade/tool-projection-registry.ts (availability) + describe() in src/mcp/facade/facade-tools.ts (prose). Regenerate: pnpm exec tsx scripts/docs/site/generate-tool-reference.ts */}

## What it does [#what-it-does]

WRITE to the Project Library: create, edit, archive/restore, capture an excerpt, propose or review a Specbook promotion (human-only), or sync. Never silently changes the Specbook.

## When to use it [#when-to-use-it]

**Use when:** "save this note" · "capture what the model said about X" · "approve this promotion"

**Also use when:** supporting knowledge worth keeping is produced

## When not to use it [#when-not-to-use-it]

read-only ask — strata19.library\_read; canonical project intent — strata19.spec\_manage; or linking an artifact to another record — strata19.library\_links

## Availability [#availability]

|           |                                                                                                                                                                        |
| --------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Tier      | Everyday                                                                                                                                                               |
| Lifecycle | Live                                                                                                                                                                   |
| Taught by | `strata19-author-routine`, `strata19-library-placement`, `strata19-project-library`, `strata19-promote-to-specbook`, `strata19-run-an-inquiry`, `strata19-write-specs` |