Track all URLs fetched during SpecStory AI coding sessions. Run when user says "show my link trail", "what URLs did I visit", "list fetched links", or "show web fetches".

Install and configure Langfuse SDK authentication for LLM observability. Use when setting up a new Langfuse integration, configuring API keys, or initializing Langfuse tracing in your project. Trigger with phrases like "install langfuse", "setup langfuse", "langfuse auth", "configure langfuse API key", "langfuse tracing setup".

Upgrade LangChain SDK versions safely with import path migration, LCEL conversion from legacy chains, and agent API updates. Trigger: "upgrade langchain", "langchain migration", "langchain breaking changes", "update langchain version", "langchain 0.3", "langchain deprecation".

Apply production-ready LangChain SDK patterns for structured output, fallbacks, batch processing, streaming, and caching. Trigger: "langchain SDK patterns", "langchain best practices", "idiomatic langchain", "langchain architecture", "withStructuredOutput", "withFallbacks", "abatch".

Production readiness checklist for LangChain applications. Use when preparing for launch, validating deployment readiness, or auditing existing production LangChain systems. Trigger: "langchain production", "langchain prod ready", "deploy langchain", "langchain launch checklist", "go-live langchain".

Optimize LangChain application performance: latency, throughput, streaming, caching, batch processing, and connection pooling. Trigger: "langchain performance", "langchain optimization", "langchain latency", "langchain slow", "speed up langchain".

Deploy LangChain applications to production with LangServe, Docker, and cloud platforms (Cloud Run, AWS Lambda). Trigger: "deploy langchain", "langchain production deploy", "langchain docker", "langchain cloud run", "LangServe".

Generate videos from text prompts with Kling AI. Use when creating videos from descriptions, learning prompt techniques, or building T2V pipelines. Trigger with phrases like 'kling ai text to video', 'klingai prompt', 'generate video from text', 'text2video kling'.

Configure Juicebox local dev workflow. Trigger: "juicebox local dev", "juicebox dev setup".

Diagnose and fix Juicebox API errors. Trigger: "juicebox error", "fix juicebox", "debug juicebox".

Configure Juicebox CI/CD. Trigger: "juicebox ci", "juicebox pipeline".

Apply production-ready Instantly.ai API client patterns for TypeScript and Python. Use when building reusable API wrappers, implementing retry logic, or establishing coding standards for Instantly integrations. Trigger with phrases like "instantly SDK patterns", "instantly best practices", "instantly client wrapper", "instantly code patterns", "idiomatic instantly".

Implement Instantly.ai rate limiting, backoff, and request throttling patterns. Use when handling 429 errors, implementing retry logic, or building high-throughput Instantly integrations. Trigger with phrases like "instantly rate limit", "instantly 429", "instantly throttle", "instantly backoff", "instantly retry".

Optimize Instantly.ai API performance with caching, batching, and connection pooling. Use when experiencing slow API responses, implementing caching strategies, or optimizing high-volume lead operations. Trigger with phrases like "instantly performance", "instantly slow", "instantly caching", "instantly batch", "optimize instantly api".

Configure Instantly.ai local development with mock server and test workflows. Use when setting up a dev environment, testing API calls without sending emails, or building integration tests against Instantly endpoints. Trigger with phrases like "instantly dev setup", "test instantly locally", "instantly mock server", "instantly development environment".

Configure CI/CD pipelines for Instantly.ai integrations with GitHub Actions. Use when setting up automated testing, deployment pipelines, or continuous validation of Instantly API integrations. Trigger with phrases like "instantly ci", "instantly github actions", "instantly pipeline", "instantly automated testing", "instantly ci/cd".

Use when building any system where email content triggers actions — AI agent inboxes, automated support handlers, email-to-task pipelines, or any workflow processing untrusted inbound email. Always use this skill when the user wants to receive emails and act on them programmatically, even if they don't mention "agent" — the skill contains critical security patterns (sender allowlists, content filtering, sandboxed processing) that prevent untrusted email from controlling your system.

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

Guide for creating PHP and Laravel packages using Spatie's package-skeleton-laravel and package-skeleton-php templates. Use when the user wants to create a new PHP or Laravel package, scaffold a package. Also use when building customizable packages — covers proven patterns for extensibility (events, configurable models/jobs, action classes) instead of config option creep.

When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," or "CTA copy." For email copy, see email-sequence. For popup copy, see popup-cro.