feat(nitro): add an oauth 2.1 resource server - #330
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`module.test.ts` drove the `types:extend` hook against the shared discovery fixture, then removed `node_modules/.nitro` from it in `afterAll`. The e2e suite builds that same fixture out of the same directory, so the cleanup could land mid-build and fail it — roughly one run in four once the module suite grew long enough to overlap. The hook test now runs against its own temporary app, which leaves nothing for the fixture to share.
`createMcpOAuth` verifies JWT access tokens against the issuer's JWKS and puts the claims on `event.context.oauth`. `iss` defaults to `authorizationServers` and `aud` to `resource`, so a token minted for another service does not pass. It returns `metadataHandler` and `metadataPath` for the RFC 9728 protected-resource document, which is what the `401`'s `WWW-Authenticate` header points a client at. `verify` replaces JWKS verification for opaque tokens. This is the resource server only — nothing here mints a token.
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This was referenced Sep 3, 2026
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Thank you for following the naming conventions! 🙏 |
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📚 Description
Stacked on #329. Second of six; the OAuth feature arrives over this PR and the two above it.
createMcpOAuthverifies JWT access tokens against the issuer's JWKS and puts the claims onevent.context.oauth.issdefaults toauthorizationServersandaudtoresource, so a token minted for another service does not pass — that check is the confused-deputy attack the spec's security considerations call out.verifyreplaces JWKS verification for opaque tokens.It also returns
metadataHandlerandmetadataPathfor the RFC 9728 protected-resource document, which is what a401'sWWW-Authenticateheader points a client at. That supersedes the README's old "Protected resource metadata" section, which told you to serve the document from your own app — removed here.This is the resource server only: nothing in this package mints a token.
mcp({ oauth })and the provider connectors are the next two PRs.josebecomes a dependency.📝 Checklist