ReddRadar
Topic: monitoring
49 skills in this topic.
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code-review
Shared code review workflow for Langfuse. Use when reviewing a PR, branch, diff,
or local changes for correctness, regressions, risk, and missing tests.
Start with references/review-checklist.md for repo-specific review rules and
use package AGENTS.md files plus any matching shared skills when the change
touches those areas.
langfuse/langfuse 24,320
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add-model-price
Use when editing worker/src/constants/default-model-prices.json, packages/shared/src/server/llm/types.ts, pricing tiers, tokenizer IDs, or matchPattern regexes for OpenAI, Anthropic, Bedrock, Vertex, Azure, or Gemini model pricing.
langfuse/langfuse 24,320
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vercel-composition-patterns
React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.
langfuse/langfuse 24,320
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changelog-writing
Shared workflow for writing Langfuse changelog entries after a feature is complete.
Use when a branch is ready for merge and a changelog entry or changelog draft is needed.
langfuse/langfuse 24,320
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clickhouse-best-practices
MUST USE when reviewing ClickHouse schemas, queries, or configurations. Contains 28 rules that MUST be checked before providing recommendations. Always read relevant rule files and cite specific rules in responses.
langfuse/langfuse 24,320
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agent-setup-maintenance
Shared workflow for editing Langfuse's repo-owned agent setup under `.agents/`.
Use when changing AGENTS files, shared skills, `.agents/config.json`,
generated shim behavior, provider discovery paths, or install-time agent sync.
langfuse/langfuse 24,320
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frontend-browser-review
Shared workflow for browser-based review of user-visible frontend changes in Langfuse.
Use when a change affects UI behavior, layout, styling, navigation, or browser-visible
regressions and should be checked with the Playwright MCP server before signoff.
langfuse/langfuse 24,320
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turborepo
Turborepo monorepo build system guidance. Triggers on: turbo.json, task pipelines,
dependsOn, caching, remote cache, the "turbo" CLI, --filter, --affected, CI optimization, environment
variables, internal packages, monorepo structure/best practices, and boundaries.
Use when user: configures tasks/workflows/pipelines, creates packages, sets up
monorepo, shares code between apps, runs changed/affected packages, debugs cache,
or has apps/packages directories.
langfuse/langfuse 24,320
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backend-dev-guidelines
Shared backend guide for Langfuse's Next.js 14, tRPC, BullMQ, and TypeScript monorepo. Use when creating or reviewing tRPC routers, public REST endpoints, BullMQ queue processors, backend services, middleware, Prisma or ClickHouse data access, OpenTelemetry instrumentation, Zod validation, env configuration, or backend tests across web, worker, or packages/shared.
langfuse/langfuse 24,320
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vercel-react-best-practices
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
langfuse/langfuse 24,320
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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
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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
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shadcn-svelte
Use this skill when building UI with shadcn-svelte or bits-ui components — buttons, dialogs, sheets, popovers, dropdowns, tooltips, forms, inputs, or selects. Covers import patterns, trigger snippets, child snippet composition, and the cn utility. Apply when adding or customizing any shadcn-svelte component in the frontend.
exceptionless/Exceptionless 2,455
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security-principles
Use this skill when handling secrets, credentials, PII, input validation, or any security-sensitive code. Covers secrets management, secure defaults, encryption, logging safety, and common vulnerability prevention. Apply when adding authentication, configuring environment variables, reviewing code for security issues, or working with sensitive data.
exceptionless/Exceptionless 2,455
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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
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frontend-testing
Use this skill when writing or running frontend unit and component tests with Vitest and Testing Library. Covers render/screen/fireEvent patterns, vi.mock for mocking, and the AAA (Arrange-Act-Assert) test structure. Apply when adding test coverage for Svelte components, debugging test failures, or setting up test utilities.
exceptionless/Exceptionless 2,455
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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
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e2e-testing
Use this skill when writing or running end-to-end browser tests with Playwright. Covers Page Object Model patterns, selector strategies (data-testid, getByRole, getByLabel), fixtures, and accessibility audits with axe-playwright. Apply when adding E2E test coverage, debugging flaky tests, or testing user flows through the browser.
exceptionless/Exceptionless 2,455
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dotnet-conventions
Use this skill when writing or reviewing C# code to follow project conventions. Covers naming standards, async patterns, CancellationToken usage, structured logging, nullable reference types, and formatting rules. Apply when authoring new C# classes, reviewing code style, or ensuring consistency with existing patterns.
exceptionless/Exceptionless 2,455
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dotnet-cli
Use this skill when running .NET CLI commands — building, testing, restoring packages, formatting code, or running projects. Covers dotnet build, test, restore, format, run, and NuGet package management. Apply when troubleshooting build errors, running the backend, or executing any dotnet command-line operation.
exceptionless/Exceptionless 2,455
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dogfood
Systematically explore and test a web application to find bugs, UX issues, and other problems. Use when asked to "dogfood", "QA", "exploratory test", "find issues", "bug hunt", "test this app/site/platform", or review the quality of a web application. Produces a structured report with full reproduction evidence -- step-by-step screenshots, repro videos, and detailed repro steps for every issue -- so findings can be handed directly to the responsible teams.
exceptionless/Exceptionless 2,455
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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
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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
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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