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Found 369 Skills
Survey any codebase as a senior advisor and produce prioritized, self-contained implementation plans for OTHER models/agents to execute. Strictly read-only on source code — never implements, fixes, or refactors anything itself. Use when asked to audit a codebase, find improvement opportunities (bugs, security, performance, test coverage, tech debt, migrations, DX), suggest features or where to take the project next (roadmap, product direction), or generate handoff plans for another agent to implement.
AI-native software development lifecycle that replaces traditional SDLC. Triggers on "plan and build", "break this into tasks", "build this feature end-to-end", "sprint plan this", "superhuman this", or any multi-step development task. Decomposes work into dependency-graphed sub-tasks, executes in parallel waves with TDD verification, and tracks progress on a persistent board. Handles features, refactors, greenfield projects, and migrations.
ClickHouse migration patterns and rules. Use when creating or modifying ClickHouse migrations.
Plans, implements, and reviews migrations from other CMSes and content systems into Sanity. Use when migrating or replatforming to Sanity from AEM, Adobe Experience Manager, Contentful, Strapi, Webflow, WordPress, Payload, Drupal, Markdown/MDX/frontmatter files, WXR/XML exports, CMS APIs, database dumps, static HTML, or when designing extraction, transformation, Portable Text conversion, asset migration, redirects, validation, and cutover workflows.
Critical PowerShell changes, deprecations, and migrations for 2025
Audit and improve SQL quality systematically — catch performance smells in raw SQL, ORM-generated queries, schema/modeling decisions, migrations, or PR diffs, explain the database-level impact, give a corrected version, and make the tradeoff explicit. Generic by design: no project, domain, ORM, or language config — any context it needs (is this table transactional? is the scan intentional? what volume is expected?) is raised during analysis, never assumed. Reach for it whenever someone writes, reviews, or optimizes a query or data-access code — "review this query", "why is this slow", "check my migration", "is this index right", or when you see N+1, SELECT *, a cartesian/row explosion, three-plus joins, a missing date filter on a growing table, OFFSET pagination, LIKE '%term%', NOT IN with nullable columns, an unindexed ORDER BY, an unbounded list, or a long transaction — even when they never say the word "SQL". Use it both to validate new code and designs and to audit existing ones.
Backend TypeScript and Cloud VM development rules for cmux. Use when editing web/app/api, web/services, backend scripts, Cloud VM lifecycle, provider integrations, Postgres, Stack Auth pricing gates, migrations, or provider image build scripts.
Improve, debug, and extend an existing Contentful App Framework custom app in a customer's own repository. Use when users provide a bug report, feature request, support note, customer feedback, or direct change request for an existing custom app, including app configuration, sidebar, field editor, dialog, page, home, App Action, Function, installation parameters, local validation, or PR preparation. Also triggers on "fix my Contentful app", "improve a custom app", "enhance App Framework app", "debug custom app", "update sidebar app", and "custom app feature request". Not for creating a brand new app from scratch (contentful-custom-app-from-scratch), generic API examples (contentful-api), migrations (contentful-migration), or website integration (contentful-nextjs).
Database schema validation, data integrity testing, migration testing, transaction isolation, and query performance. Use when testing data persistence, ensuring referential integrity, or validating database migrations.
Plan and execute incremental product isolation migrations to a facade plus contract layer in PostHog, following the Visual review architecture. Use when a product still exposes internals (models/logic/views) across boundaries and needs a safe, multi-PR migration toward contracts.py + facade/api.py + presentation separation.
Apply to multi-step work (sweeps, migrations, runs of similar edits) and to how you stack commits and PRs. Break work into small units that each end in a verifiable state, check each before the next, and order delivery so the sequence proves itself to a reviewer.
Design, scaffold, build, and validate a new Contentful App Framework custom app for a customer's own repository or workspace. Use when users want to create a custom app from an idea, choose App Framework locations, build a sidebar app, field editor app, page app, dialog, configuration screen, App Action, or Function-backed app, scaffold with create-contentful-app, or make a locally testable app for an organization-specific Contentful workflow. Also triggers on "build a Contentful app", "custom app from scratch", "App Framework app", "sidebar app", "field editor app", "page app", "app action", and "app function". Not for generic Contentful API examples (contentful-api), content model migrations (contentful-migration), or website integration (contentful-nextjs).