# ab-testing: skills, plugins, slash commands and more Cards tagged “ab-testing”: skills, plugins, slash commands and more. What each one does, an install command and example prompts. 59 cards · page 2 of 2 - HTML: https://affpapa.org/en/nevibecode/tag/ab-testing?page=2 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [ad-creative-video](https://affpapa.org/en/nevibecode/skills/ad-creative-video.md) — skill · iart-ai · Claude Code, Codex, Cursor +3 · 984 installs — Generates data-driven Remotion video ad templates and batch-renders variations from CSV files for A/B testing across social video feeds. - [email-subject-line-optimizer](https://affpapa.org/en/nevibecode/skills/email-subject-line-optimizer.md) — skill · OneWave-AI · Claude Code, Codex, Cursor +3 · 322 installs — This skill writes subject line variants from copywriting frameworks, predicts open rates and suggests what to A/B test next. - [PostHog MCP Server](https://affpapa.org/en/nevibecode/mcp/posthog-mcp-server.md) — MCP server · PostHog · Claude Code, Codex, Cursor +5 · ★ 40459 — Connects PostHog analytics and feature flag management to AI assistants via Streamable HTTP. - [conversion-rate-optimization](https://affpapa.org/en/nevibecode/skills/conversion-rate-optimization.md) — skill · manojbajaj95 · Claude Code, Codex, Cursor +3 · 350 installs — Audits marketing pages and capture forms, pinpoints friction, and builds test hypotheses. - [recommendation-system](https://affpapa.org/en/nevibecode/skills/recommendation-system.md) — skill · secondsky · Claude Code, Codex, Cursor +3 · 398 installs — Deploys recommendation APIs with FastAPI, Redis feature caching, multi-tier storage, and Prometheus metrics tracking. - [auditing-experiments-flags](https://affpapa.org/en/nevibecode/skills/auditing-experiments-flags.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 432 installs — Runs configuration audits on PostHog experiments and feature flags, flagging staleness and best-practice violations. - [analyzing-experiment-session-replays](https://affpapa.org/en/nevibecode/skills/analyzing-experiment-session-replays.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 431 installs — Guides coding agents through reviewing PostHog session recordings across experiment variants to spot UX flaws and understand user differences. - [creating-experiments](https://affpapa.org/en/nevibecode/skills/creating-experiments.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 398 installs — Walks an agent through creating an A/B test: reads the project's setup, drafts the hypothesis, picks rollout and metrics, and flags its guesses. - [configuring-experiment-analytics](https://affpapa.org/en/nevibecode/skills/configuring-experiment-analytics.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 394 installs — Sets up the analytics side of a PostHog experiment: who counts in the analysis and how impact gets measured. - [configuring-experiment-rollout](https://affpapa.org/en/nevibecode/skills/configuring-experiment-rollout.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 389 installs — A skill that helps the agent set variant splits and rollout percentages for PostHog experiments, and disambiguate vague requests like "roll out to 25%". - [managing-experiment-lifecycle](https://affpapa.org/en/nevibecode/skills/managing-experiment-lifecycle.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 379 installs — A PostHog skill that walks an experiment through its states: launch, pause, freeze exposure, end, archive, and migration of a legacy experiment to the new engine. - [finding-experiments](https://affpapa.org/en/nevibecode/skills/finding-experiments.md) — skill · PostHog · Claude Code, Codex, Cursor +3 · 378 installs — Resolves loose names, statuses, or relative dates into concrete PostHog experiment IDs. - [data-driven-feature](https://affpapa.org/en/nevibecode/commands/data-driven-feature.md) — command · Seth Hobson · Claude Code, Codex, Cursor · ★ 41823 — Orchestrates feature delivery through behavioral data insights, hypothesis ranking, and A/B test setup. - [improve-agent](https://affpapa.org/en/nevibecode/commands/improve-agent.md) — command · Seth Hobson · Claude Code, Codex, Cursor · ★ 41823 — Walks an existing agent through baselines, prompt fixes and A/B tests so you know what actually broke. - [prompt-governance](https://affpapa.org/en/nevibecode/plugins/prompt-governance.md) — plugin · Alireza Rezvani · Claude Code · ★ 28786 — A Claude plugin for prompts already running in production: versioning, A/B tests, a registry and regression prevention. - [statistical-analyst](https://affpapa.org/en/nevibecode/plugins/statistical-analyst.md) — plugin · Alireza Rezvani · Claude Code · ★ 28786 — Run hypothesis tests, assess A/B experiments, estimate sample sizes, and calculate confidence intervals with this Claude Code plugin. - [suede-site-alchemy](https://affpapa.org/en/nevibecode/skills/suede-site-alchemy.md) — skill · JasonColapietro · Claude Code, Codex, Cursor +3 · ★ 126 — A skill that turns a landing, launch or product page into a conversion path: funnel stage, friction inventory, fixes, then verification. - [analytics-skills](https://affpapa.org/en/nevibecode/plugins/analytics-skills.md) — plugin · clamp-sh · Claude Code · ★ 9 — A set of agent skills that has Claude diagnose traffic swings, judge channel and funnel quality, and read A/B tests without the usual rookie mistakes. - [prompt-optimizer](https://affpapa.org/en/nevibecode/skills/haabe-prompt-optimizer.md) — skill · haabe · Claude Code, Codex, Cursor +3 · ★ 47 — Runs your CLAUDE.md edits against two eval splits and shows whether the gain is real or just fitting the test set. ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md