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Agent skills
javascript

Topic: javascript

202 skills in this topic.

tanstack-form Use this skill when building or modifying forms with TanStack Form and Zod validation. Covers createForm, field-level validation, error handling, and mapping ProblemDetails API errors to form fields. Apply when adding new forms, implementing validation logic, or handling form submission in the Svelte frontend.
exceptionless/Exceptionless 2,455
tanstack-query Use this skill when fetching data, managing server state, or handling API mutations in the Svelte frontend. Covers createQuery, createMutation, query keys, cache invalidation, optimistic updates, and WebSocket-driven refetching. Apply when adding API calls, managing loading/error states, or coordinating cache updates after mutations.
exceptionless/Exceptionless 2,455
typescript-conventions Use this skill when writing or reviewing TypeScript code in the frontend to follow project conventions. Covers naming standards (kebab-case files), import patterns, error handling, type safety (no any), and ESLint/Prettier configuration. Apply when authoring new TypeScript files, reviewing code style, or resolving linting issues.
exceptionless/Exceptionless 2,455
upgrade-stripe Guide for upgrading Stripe API versions and SDKs
exceptionless/Exceptionless 2,455
foundatio-repositories
exceptionless/Exceptionless 2,455
agent-browser Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "login to a site", "automate browser actions", or any task requiring programmatic web interaction.
exceptionless/Exceptionless 2,455
dotnet-trace-collect Guide developers through capturing diagnostic artifacts to diagnose production .NET performance issues. Use when the user needs help choosing diagnostic tools, collecting performance data, or understanding tool trade-offs across different environments (Windows/Linux, .NET Framework/modern .NET, container/non-container).
exceptionless/Exceptionless 2,455
dump-collect Configure and collect crash dumps for modern .NET applications. USE FOR: enabling automatic crash dumps for CoreCLR or NativeAOT, capturing dumps from running .NET processes, setting up dump collection in Docker or Kubernetes, using dotnet-dump collect or createdump. DO NOT USE FOR: analyzing or debugging dumps, post-mortem investigation with lldb/windbg/dotnet-dump analyze, profiling or tracing, or for .NET Framework processes.
exceptionless/Exceptionless 2,455
emil-design-eng This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.
exceptionless/Exceptionless 2,455
frontend-design Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.
exceptionless/Exceptionless 2,455
microbenchmarking Activate this skill when BenchmarkDotNet (BDN) is involved in the task — creating, running, configuring, or reviewing BDN benchmarks. Also activate when microbenchmarking .NET code would be useful and BenchmarkDotNet is the likely tool. Consider activating when answering a .NET performance question requires measurement and BenchmarkDotNet may be needed. Covers microbenchmark design, BDN configuration and project setup, how to run BDN microbenchmarks efficiently and effectively, and using BDN for side-by-side performance comparisons. Do NOT use for profiling/tracing .NET code (dotnet-trace, PerfView), production telemetry, or load/stress testing (Crank, k6).
exceptionless/Exceptionless 2,455
releasenotes Generate formatted changelogs from git history since the last release tag. Use when preparing release notes that categorize changes into breaking changes, features, fixes, and other sections.
exceptionless/Exceptionless 2,455
run-tests Runs .NET tests with dotnet test. Use when user says "run tests", "execute tests", "dotnet test", "test filter", "tests not running", or needs to detect the test platform (VSTest or Microsoft.Testing.Platform), identify the test framework, apply test filters, or troubleshoot test execution failures. Covers MSTest, xUnit, NUnit, and TUnit across both VSTest and MTP platforms. DO NOT USE FOR: writing or generating test code, CI/CD pipeline configuration, or debugging failing test logic.
exceptionless/Exceptionless 2,455
stripe-best-practices Best practices for building a Stripe integrations
exceptionless/Exceptionless 2,455
upgrade-stripe Guide for upgrading Stripe API versions and SDKs
exceptionless/Exceptionless 2,455
electron-chromium-upgrade Guide for performing Chromium version upgrades in the Electron project. Use when working on the roller/chromium/main branch to fix patch conflicts during `e sync --3`. Covers the patch application workflow, conflict resolution, analyzing upstream Chromium changes, and proper commit formatting for patch fixes.
electron/electron 120,727
playwright-dev Explains how to develop Playwright - add APIs, MCP tools, CLI commands, and vendor dependencies.
microsoft/playwright 85,418
playwright-cli Automate browser interactions, test web pages and work with Playwright tests.
microsoft/playwright 85,418
playwright-trace Inspect Playwright trace files from the command line — list actions, view requests, console, errors, snapshots and screenshots.
microsoft/playwright 85,418
preline-theme-generator Generates beautiful, consistent Preline Theme CSS files. Agent interprets user request, runs build script, delivers complete CSS.
htmlstreamofficial/preline 6,285
Add Admin API Endpoint Add a new endpoint or endpoints to Ghost's Admin API at `ghost/api/admin/**`.
TryGhost/Ghost 52,311
add-private-feature-flag Use when adding a new private (developer experiments) feature flag to Ghost, including the backend registration and settings UI toggle.
TryGhost/Ghost 52,311
Create database migration Create a database migration to add a table, add columns to an existing table, add a setting, or otherwise change the schema of Ghost's MySQL database. Use this skill whenever the task involves modifying Ghost's database schema — including adding, removing, or renaming columns or tables, adding new settings, creating indexes, updating data, or any change that requires a migration file in ghost/core. Also use when the user references schema.js, knex-migrator, the migrations directory, or asks to "add a field" or "add a column" to any Ghost model/table. Even if the user frames it as a feature or Linear issue, if the implementation requires a schema change, this skill applies.
TryGhost/Ghost 52,311
Format numbers Format numbers using the formatNumber function from Shade whenever someone edits a TSX file.
TryGhost/Ghost 52,311