The Agent Skills Directory

[EXTERNAL_DOWNLOADS]: The skill references official Fern resources including the fern-api/setup-fern-cli and fern-api/sync-openapi GitHub Actions, as well as the fern-api CLI package. These are trusted vendor-maintained tools required for the stated functionality.
[COMMAND_EXECUTION]: The documentation provides examples for executing standard CLI commands within automation scripts.
Commands: fern check, fern generate, fern upgrade.
[INDIRECT_PROMPT_INJECTION]: The skill describes workflows for processing external data such as OpenAPI specifications and documentation files.
Ingestion points: openapi.json, docs.yml referenced in references/spec-sync.md and references/docs-workflows.md.
Capability inventory: Fern CLI's check and generate functions allow the processing of external content to produce SDKs and documentation sites.
[NO_CODE]: The skill consists entirely of Markdown documentation and configuration references. It does not include executable scripts, binaries, or dynamic context injection patterns that run during the skill's load or activation process.
[CREDENTIALS_UNSAFE]: The skill documents secure methods for handling sensitive data like FERN_TOKEN and registry secrets using environment variables and secret stores. It explicitly advises against insecure practices like echoing tokens or committing them to source control in references/validate-and-auth.md.

fern-workflows