astro-cta-injector
Inject Call-to-Action blocks into Astro site content with intelligent placement strategies. Use when the user wants to add CTAs, newsletter signups, product promotions, or any content blocks to blog posts. Supports multiple placement strategies (end, after 50%, after 60%), content scoring for relevance, and dry-run preview.
gsc-assistant
Google Search Console indexing assistant. Use when the user wants to track page indexing status, compare sitemap against GSC indexed pages, manage submission tracking, or move false positives (pages indexed per URL Inspection but not yet in GSC export) to the indexed list. Maintains two tracking files (indexed.md, to-index.md) with prioritization support.
link-analyzer
Comprehensive link analysis for static sites. Use when the user wants to analyze links, find broken links, identify orphan pages, detect under-linked or over-linked content, find link sinks, or understand their site's internal linking structure. Supports HTTP validation with false-positive filtering.
pre-publish-post-assistant
Pre-publish assistant for new blog posts. Use when the user wants to classify a new post with categories and tags, generate SEO metadata (title, description, focus keyphrase), or get intelligent suggestions with rationale. Works with draft content (file path, URL, or text) and suggests from existing taxonomy to maintain balanced distribution.
seo-wordpress-manager
Batch update Yoast SEO metadata (titles, descriptions, focus keyphrases) in WordPress via GraphQL. Use when the user wants to update SEO metadata, optimize titles, fix meta descriptions, or manage Yoast SEO fields across multiple posts. Supports preview mode, progress tracking, and resume capability.
css-sass
Use Sass/SCSS for advanced CSS preprocessing with modern @use/@forward syntax
css-animations
Create performant CSS animations, transitions, and motion design
css-architecture
Implement scalable CSS architecture patterns - BEM, SMACSS, ITCSS, design tokens
css-flexbox-grid
Master Flexbox and CSS Grid layouts for modern responsive design
css-fundamentals
CSS fundamentals - selectors, specificity, box model, positioning, units
css-modern
Use modern CSS features - custom properties, container queries, :has(), @layer, CSS nesting
css-performance
Optimize CSS performance - critical CSS, code splitting, purging, bundle analysis
css-tailwind
Build with Tailwind CSS utility-first framework - configuration, customization, best practices
dbos-python
DBOS Python SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Python code with DBOS, creating workflows and steps, using queues, using DBOSClient from external applications, or building applications that need to be resilient to failures.
dbos-golang
DBOS Go SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Go code with DBOS, creating workflows and steps, using queues, using the DBOS Client from external applications, or building Go applications that need to be resilient to failures.
dbos-typescript
DBOS TypeScript SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing TypeScript code with DBOS, creating workflows and steps, using queues, using DBOSClient from external applications, or building applications that need to be resilient to failures.
viem-sweep
Comprehensive guide and reference for implementing advanced sweeping and transaction strategies (Legacy, Factory, Permit, Auth, EIP-7702) using viem v2. Use this skill when you need to implement token sweeping, wallet factories, gasless transfers, or account delegation.
create-voltagent
Skill for creating AI agent projects using the VoltAgent framework. Guide for CLI setup and manual bootstrapping.
voltagent-best-practices
VoltAgent architectural patterns and conventions. Covers agents vs workflows, project layout, memory, servers, and observability.
voltagent-core-reference
Reference for the VoltAgent class: constructor options, lifecycle methods, and runtime behavior.
voltagent-docs-bundle
Look up VoltAgent documentation embedded in node_modules/@voltagent/core/docs for version-matched docs. Use for API signatures, guides, and examples.
implementing-agent-modes
Guidelines to create/update a new mode for PostHog AI agent. Modes are a way to limit what tools, prompts, and prompt injections are applied and under what conditions. Achieve better results using your plan mode.
survey-sdk-audit
Audit PostHog survey SDK features and version requirements
adopting-generated-api-types
Use when migrating frontend code from manual API client calls (`api.get`, `api.create`, `api.surveys.get`, `api.dashboards.list`, `new ApiRequest()`) and handwritten TypeScript interfaces to generated API functions and types. Triggers on files importing from `lib/api`, files with `api.get<`, `api.create<`, `api.<entity>.<method>`, manual interface definitions that duplicate backend serializers, or any frontend file that constructs API URLs by hand. Covers the full replacement workflow — finding the generated equivalent, swapping imports, adapting call sites, and removing dead manual types.
clickhouse-migrations
ClickHouse migration patterns and rules. Use when creating or modifying ClickHouse migrations.
django-migrations
Django migration patterns and safety workflow for PostHog. Use when creating, adjusting, or reviewing Django/Postgres migrations, including non-blocking index/constraint changes, multi-phase schema changes, data backfills, migration conflict rebasing, and product model moves that require SeparateDatabaseAndState.
hogli
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implementing-mcp-tools
Guide for exposing PostHog product endpoints as MCP tools. Use when creating new or updating API endpoints, adding MCP tool definitions, scaffolding YAML configs, or writing serializers with good descriptions. Covers the full pipeline from Django serializer to generated TypeScript tool handler.
implementing-mcp-ui-apps
Guide for adding MCP UI apps — interactive visualizations that render tool results in MCP clients like Claude Desktop. Use when adding a new detail or list view for an MCP tool, creating view components in products/*/mcp/apps/, or linking tools to UI apps via YAML.
implementing-warehouse-sources
Implement and extend PostHog Data warehouse import sources. Use when adding a new source under posthog/temporal/data_imports/sources, adding datasets/endpoints to an existing source, or adding incremental sync support, pagination, credentials validation, and source tests.
improving-drf-endpoints
Use when editing, reviewing, or auditing DRF viewsets and serializers in PostHog. Triggers on files in posthog/api/, products/*/backend/api/, products/*/backend/presentation/, or any file importing rest_framework serializers or viewsets. Covers OpenAPI spec quality, field typing, schema annotations, and DRF best practices that flow through the type pipeline to generated TypeScript types and MCP tools.
ingestion-pipeline-doctor-nodejs
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isolating-product-facade-contracts
Plan and execute incremental product isolation migrations to a facade plus contract layer in PostHog, following the Visual review architecture. Use when a product still exposes internals (models/logic/views) across boundaries and needs a safe, multi-PR migration toward contracts.py + facade/api.py + presentation separation.
modifying-taxonomic-filter
Guides safe modification of the TaxonomicFilter component — PostHog's multi-tab search/filter for selecting events, actions, properties, cohorts, and more. Covers the component hierarchy, kea logic architecture, RTL testing workflow, and common pitfalls learned from prior changes. Use when adding features, fixing bugs, or refactoring TaxonomicFilter or its sub-components.
playwright-test
Write a playwright test, make sure it runs, and is not flaky.
qa-team
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react-doctor
Diagnose and fix React codebase health issues. Use when reviewing React code, fixing performance problems, auditing security, or improving code quality.
sending-notifications
How to send real-time in-app notifications from PostHog backend code. Use when integrating notifications into a new feature, wiring up a notification source (alerts, comments, approvals, pipelines, issues), or choosing the right target type and priority for a notification.
setup-web-tests
Set up Python test environment in Claude Code for web where flox is unavailable. Use when you need to run backend tests and `uv sync` fails due to Python version mismatch.
writing-skills
Guide for writing PostHog agent skills — job-to-be-done templates that teach agents how to use MCP tools to achieve a goal. Use when adding new product functionality that agents should know how to work with, creating a new skill, or updating existing skills in products/*/skills/.
analyzing-experiment-session-replays
Analyze session replay patterns across experiment variants to understand user behavior differences. Use when the user wants to see how users interact with different experiment variants, identify usability issues, compare behavior patterns between control and test groups, or get qualitative insights to complement quantitative experiment results.
cleaning-up-stale-feature-flags
Identify and clean up stale feature flags in a PostHog project. Use when the user wants to find unused, fully rolled out, or abandoned feature flags, review them for safety, and then disable or delete them. Covers staleness detection, dependency checking, and safe removal workflows.
auditing-experiments-flags
Audit PostHog experiments and feature flags for configuration issues, staleness, and best-practice violations. Read when the user asks to audit, health-check, or review experiments or feature flags, check flag hygiene, or verify experiment setup.
query-examples
HogQL query examples and reference material for PostHog data. Read when writing SQL queries to find patterns for analytics (trends, funnels, retention, lifecycle, paths, stickiness, web analytics, error tracking, logs, sessions, LLM traces) and system data (insights, dashboards, cohorts, feature flags, experiments, surveys, hog flows, data warehouse). Includes HogQL syntax differences, system model schemas, and available functions.
signals
How to query the document_embeddings table for signals data using HogQL. Read when you need to perform semantic search over signals, fetch signals for a report or list signal types.
hitpay
Integrate HitPay payment gateway for online payments in Next.js and JS/TS applications. Use when user says "Add HitPay", "HitPay checkout", "HitPay payments", "HitPay webhook", "HitPay QR code", "PayNow integration", or "HitPay integration".
ai-paper-writing
Best practices for writing AI research papers. Use when the project involves writing a research paper in AI field.
ai-research
Systematic AI research process. Use when the user is AI researcher and the project is involved in AI research project.
a2ui
Generate A2UI 0.8 protocol compliant UI code. Use when building agent-driven interfaces, generating JSONL messages for surfaceUpdate/dataModelUpdate/beginRendering, creating forms, lists, cards, or any UI components that render across web/mobile/desktop platforms.
apply
Apply to Good Outcomes through an interactive semantic challenge. Use when a candidate wants to apply for AI-Assisted Full Stack Engineer or AI Engineer - ML & Classification Systems roles. Guides through gathering info, solving an embedding-based puzzle, and submitting the application.
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