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Toolgrain-owned code is MIT licensed with copyright attribution to Keshav Katwe. The repository and package-local license files preserve the grant. Vendored upstream material retains its own unchanged terms.

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Protocol schemas

@toolgrain/protocol vendors the TypeScript and JSON schemas for both supported revisions from pinned upstream commit 271ecc9accafdd9b83a3c869fa67c22953b2af80. Each revision has provenance, integrity checksums, and upstream license artifacts. The package’s root LICENSE/NOTICE explain its mixed contents; its manifest uses SEE LICENSE IN LICENSE. TypeScript schemas and provenance are distributed with compiled outputs. The JSON schemas are test-only conformance fixtures and are not copied to dist. Upstream updates require separate review and renewed interoperability verification. Do not modify or format vendored sources as part of an unrelated change.

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Integration notices

The Clerk package includes a NOTICE preserving Svix and Deno MIT attributions associated with standardwebhooks@1.1.1. Its npm archive omitted upstream parent-directory license/source attribution; Toolgrain preserves the exact release’s notices and provenance. Keep the NOTICE in the Clerk archive and renew the review when updating that dependency.

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Documentation starter

The documentation setup includes material from Mintlify’s starter. Its MIT license, copyright 2026 Mintlify, is preserved unchanged in the starter notice. Toolgrain-owned code and documentation use the repository’s root MIT license.

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Brand and fonts

The approved Toolgrain mark, outlined wordmarks, lockups, shared tokens, and usage guide live in brand/. The bundled Manrope source retains its SIL Open Font License and FONTLOG there. This documentation site uses Mint’s default typography and outlined logo exports; it does not bundle the brand font. Outlined exports do not require a font installation. Consult the actual root license, package license/notice files, and dependency terms when redistributing artifacts.