Skills for Real Engineers. Straight from my .agents directory.
39 skills
cryptokit
Agent skill from
Use Apple CryptoKit for Swift cryptographic primitives. Use when hashing with SHA-2 or SHA-3, generating HMACs, encrypting with AES-GCM or ChaChaPoly, signing with P256/P384/P521/Curve25519 or ML-DSA keys, performing ECDH, HPKE, ML-KEM, or X-Wing key exchange, using Secure Enclave CryptoKit keys, or migrating CommonCrypto code to CryptoKit.
How to install cryptokit
install cryptokit
# install the swift-ios-skills pack with the skills CLI
npx skills add dpearson2699/swift-ios-skills# or add only this skill to Claude Code: copy the folder
skills/cryptokit/
# into
~/.claude/skills/cryptokit/ (all projects)
.claude/skills/cryptokit/ (one project)
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