The Agent Skills Directory

[COMMAND_EXECUTION]: The instructions specify using bunx @better-auth/cli for managing database migrations and generating schemas, which is standard operational practice for the Better Auth library.- [INDIRECT_PROMPT_INJECTION]: The skill manages external data such as request headers and callback URLs as part of its authentication logic.
Ingestion points: request.headers and callbackURL search parameters are processed in SKILL.md and references/auth.md.
Boundary markers: The skill mandates the use of route-level beforeLoad redirects and endpointAuth session guards for all data boundaries.
Capability inventory: The skill involves database persistence via adapters and HTTP redirects for auth flows.
Sanitization: Includes specific instructions to block dangerous callbackURL prefixes to prevent open redirect vulnerabilities.

tanstack-start-auth