Agent Skills

testing-patterns

★ 108

by langchain-ai

Unit testing and integration testing best practices

deep-agents-memory

★ 108

by langchain-ai

INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMiddleware, and CompositeBackend for routing.

langchain-dependencies

★ 108

by langchain-ai

INVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency management for LangChain, LangGraph, LangSmith, or Deep Agents. Covers required packages, minimum versions, environment requirements, versioning best practices, and common community tool packages for both Python and TypeScript.

langchain-fundamentals

★ 108

by langchain-ai

Create LangChain agents with create_agent, define tools, and use middleware for human-in-the-loop and error handling.

langchain-middleware

★ 108

by langchain-ai

INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTheLoopMiddleware for human approval of dangerous tool calls, creating custom middleware with hooks, Command resume patterns, and structured output with Pydantic/Zod.

langsmith-dataset

★ 108

by langchain-ai

INVOKE THIS SKILL when creating evaluation datasets, uploading datasets to LangSmith, or managing existing datasets. Covers dataset types (final_response, single_step, trajectory, RAG), CLI management commands, SDK-based creation, and example management. Uses the langsmith CLI tool.

langsmith-evaluator

★ 108

by langchain-ai

INVOKE THIS SKILL when building evaluation pipelines for LangSmith. Covers three core components: (1) Creating Evaluators - LLM-as-Judge, custom code; (2) Defining Run Functions - how to capture outputs and trajectories from your agent; (3) Running Evaluations - locally with evaluate() or auto-run via LangSmith. Uses the langsmith CLI tool.

langsmith-trace

★ 108

by langchain-ai

INVOKE THIS SKILL when working with LangSmith tracing OR querying traces. Covers adding tracing to applications and querying/exporting trace data. Uses the langsmith CLI tool.

api-docs

★ 108

by langchain-ai

OpenAPI documentation and REST API design patterns

langgraph-human-in-the-loop

★ 108

by langchain-ai

INVOKE THIS SKILL when implementing human-in-the-loop patterns, pausing for approval, or handling errors in LangGraph. Covers interrupt(), Command(resume=...), approval/validation workflows, and the 4-tier error handling strategy.

langgraph-persistence

★ 108

by langchain-ai

INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or configure subgraph checkpointer scoping. Covers checkpointers, thread_id, time travel, Store, and subgraph persistence modes.

design-systems

★ 102

by automattic

Bold aesthetic direction guidance for web design. Use when making creative decisions about typography, color, motion, spatial composition, and overall visual style. Helps avoid generic "AI slop" aesthetics.

wordpress-block-theming

★ 102

by automattic

WordPress Full Site Editing (FSE) theme architecture. Use when generating theme.json, block templates, template parts, patterns, and functions.php for WordPress block themes.

site-specification

★ 102

by automattic

Extract comprehensive site specifications from simple descriptions. Use when analyzing a user's theme request to determine site type, audience, tone, layout requirements, and typography.

webflow-mcp:cms-best-practices

★ 100

by webflow

Expert guidance on Webflow CMS architecture and best practices. Use when planning collections, setting up relationships, optimizing content structure, or troubleshooting CMS issues.

webflow-cli:code-component

★ 100

by webflow

Create and deploy reusable React components for Webflow Designer. Configure existing React projects with webflow.json, build and bundle code, validate output, and deploy to workspace using library share. Use when building custom components for designers.

webflow-cli:devlink

★ 100

by webflow

Export Webflow Designer components to React/Next.js code for external projects. Configure devlink settings in webflow.json, sync design updates with devlink sync, validate generated code, show diffs, and provide integration examples. Use when building with Webflow designs in React/Next.js.

webflow-mcp:compress-cms-image

★ 100

by webflow

Compress and convert CMS item image fields to webp or avif in a Webflow collection. Prompts for collection ID, item ID, image fields, quality, and target format, then downloads, converts, re-uploads via presigned S3, and publishes the updated item.

webflow-mcp:cms-collection-setup

★ 100

by webflow

Create a new CMS collection in Webflow with specified fields and relationships. Use when setting up blog posts, products, team members, portfolios, or other content types with custom fields.

webflow-mcp:bulk-cms-update

★ 100

by webflow

Create or update multiple CMS items in a Webflow collection with validation and diff preview. Use when adding multiple blog posts, products, or updating fields across many items.

webflow-mcp:review-comments

★ 100

by webflow

Review open comment threads on a Webflow site and triage each one.

webflow-code-component:component-audit

★ 100

by webflow

Audit Webflow Code Components for architecture decisions - prop exposure, state management, slot opportunities, and Shadow DOM compatibility. Focused on Webflow-specific patterns, not generic React best practices.

webflow-code-component:troubleshoot-deploy

★ 100

by webflow

Debug deployment failures for Webflow Code Components. Analyzes error messages, identifies root causes, and provides specific fixes for common issues.

webflow-mcp:designer-tools

★ 100

by webflow

Build and manage pages, elements, components, and styles in Webflow Designer. Use when adding sections, creating layouts, building elements, inspecting or updating components, viewing what's inside a component, restructuring pages, creating new pages, previewing page structure, styling elements, or managing component properties. Requires Webflow Designer connection.

webflow-cli:cloud

★ 100

by webflow

Initialize, build, and deploy full-stack Webflow applications to Webflow Cloud hosting. Supports site-attached deploys (linked to an existing Webflow site) and project app deploys (independent project, no existing site required). Use when creating new projects, deploying existing ones, or setting up CI/CD pipelines for Webflow Cloud.

webflow-cli:designer-extension

★ 100

by webflow

Build Designer Extensions for custom Webflow Designer functionality. Lists available templates, initializes extension projects from templates (default/react/typescript-alt), bundles extensions for upload, and serves locally for development.

webflow-code-component:convert-component

★ 100

by webflow

Convert an existing React component into a Webflow Code Component. Analyzes TypeScript props, maps to Webflow prop types, generates the .webflow.tsx definition file, and identifies required modifications.

webflow-code-component:deploy-guide

★ 100

by webflow

Step-by-step guide for deploying Webflow Code Components to a workspace. Covers authentication, pre-flight checks, deployment execution, and verification.

webflow-mcp:flowkit-naming

★ 100

by webflow

Apply Flowkit CSS naming system in Webflow. Use when creating classes, auditing existing naming, or building new components following Flowkit conventions. Flowkit is Webflow's official CSS framework with utility-first approach. Runs headlessly against a page ID — no Designer connection required, except for the optional live-canvas conveniences (current page, interactive element selection).

webflow-mcp:site-audit

★ 100

by webflow

Comprehensive audit of a Webflow site including pages, CMS collections, health scoring, and actionable insights. Use for site analysis, migration planning, or understanding site structure.