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Swift Testing Pro is an agent skill that helps Claude Code, Codex, Cursor, Gemini, and similar assistants write and review tests using Swift Testing. It covers @Test, #expect, #require, parameterized tests, traits, exit tests, confirmations, and other areas where language models often produce incomplete or outdated code. Once installed, it can be triggered by command or natural language and focused on a specific goal, such as parameterizing a suite or adding exit tests. It is intended to improve testing work inside an existing Swift project.

This installable Agent Skill gives coding assistants focused guidance for Playwright testing in TypeScript. It maps the current task to references for end-to-end, component, API, visual regression, accessibility, security, mobile, multi-tab, PWA, Electron, browser-extension, and internationalization testing. Other material covers CI, sharding, reporting, performance, and flaky-test debugging. Installed through `npx skills add`, it helps an agent choose suitable patterns; it does not replace Playwright or run tests by itself.

Langfuse helps teams instrument LLM applications so they can inspect traces, sessions, retrieval steps, prompts, scores, and evaluations in one place. It also supports prompt versioning, datasets, playground experiments, and integrations with common SDKs and frameworks. You can use the hosted service or self-host with Docker Compose or Kubernetes. Self-hosted instances send basic usage telemetry by default, but it excludes raw traces and can be disabled.

MCP Inspector connects to servers over stdio, SSE, or Streamable HTTP and lets developers inspect tools, resources, prompts, and responses in a browser UI. Its CLI supports scripted checks and continuous integration, and server configurations can be exported for other clients. Because the local proxy can spawn processes and connect to specified servers, it should not be exposed to untrusted networks.