Agent skills for DeepSeek Harness

Use when reviewing a product artifact or implementation handoff that contains proposed or implied screens, navigation, roles, workflows…

Use when reporting task status, completion, blockers, percentages, ETAs, test results, deployment readiness, or handoff progress where…

Use when fixing bugs, refactoring, changing shared state, or reviewing a patch where behavior that already works could regress; triggers…

Use when planning, implementing, debugging, or reviewing work where the solution could expand beyond the user's requested outcome…

Sketch types, signatures, and module structure before code, then stay in the loop while implementation fills in.

Spawn N parallel candidates at the same task, pick a base, graft the strongest parts of the losers into it.

Generate a project-local verification skill that drives your app the way a user does — any language, framework, or platform.

Design an auditable playbook when no narrower one fits: a large migration, an ambitious multi-part change, or work a human reviews after…

Use for \"how does X work\", code walkthroughs before changing something, and placement / ownership / layering questions (\"where should…

Index of the engineering principles. Load it whenever work is non-trivial: designing types or a signature, refactoring, debugging…

Reconstruct your recent working context from your own chat history, live state, and the shared record (user reports, prior fixes…

Keep a reviewable decision trail for long-running or unattended work: a TSV log with one row per decision (what, why, evidence, result).

Fan out N parallel workers, drain them, and return one report.

Process large datasets efficiently using chunk(), chunkById(), lazy(), and cursor() to reduce memory consumption and improve performance

Safe database change patterns; when to modify vs add migrations; always pair models with migrations and factories; seeding guidance

Portable storage configuration across S3/R2/MinIO with optional CDN—env toggles, path-style endpoints, and URL generation

Manage a personal reading journal for books, audiobooks, and research papers in a Git-backed static website.

Nock — pressure-test a startup pitch deck against the real questions and bar that Nikunj Kothari applies to founders, before you take the…

Build Node.js backends for BigCommerce apps — Express/Fastify servers, OAuth handling, JWT verification, API proxy, webhook processing…

Build Node.js backends for Shopify apps — Remix server, @shopify/shopify-app-remix, session storage, OAuth handling, API proxy, webhook…

Builds, refactors, and reviews Node.js services, CLI tools, and runtime scripts with module-system compatibility, stream safety, and async…