Official agent skill

Configuring Experiment Rollout

by PostHog in PostHog/posthog

Configures the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C ratios), the overall rollout percentage that gates how many users enter the experiment, and the…

OfficialCustom licenceAuto-check passedDevOps & Cloud

Install Configuring Experiment Rollout

skills CLI
$ npx skills add PostHog/posthog --skill configuring-experiment-rollout -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install PostHog/posthog configuring-experiment-rollout --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/PostHog/posthog.git skills-src && mkdir -p .claude/skills && cp -r skills-src/products/experiments/skills/configuring-experiment-rollout .claude/skills/configuring-experiment-rollout && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
configuring-experiment-rollout
GitHub stars
40k
Token cost
~3.8k tokens
SKILL.md length
1,931 words
Files
2 (incl. references)
Skills in repo
252
Repo updated
First seen
Licence
Custom licence

At a glance

Configures the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C ratios), the overall rollout percentage that gates how many users enter the experiment, and the…

  • Works in 2 steps: Variant split… → Overall rollout…
  • The user mentions a rollout percentage
  • SKILL.md covers Recommended approach: equal…, When an uneven split is required, The two rollout controls and The disambiguation question, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Configuring Experiment Rollout is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Configures the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C ratios), the overall rollout percentage that gates how many users enter the experiment, and the disambiguation when a percentage like "roll out to 25%" could mean either. Use when the user mentions a rollout percentage, variant split, or traffic distribution; gives a ratio like 60/40, 70/30, or 80/20; asks "who sees the test variant?"; wants to increase, decrease, or change the rollout or split on a draft or running…

Its SKILL.md is about 3.8k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/changing-distribution-after-launch.md`).

It sits in DevOps & Cloud. It works with PostHog. The repository describes itself as: :hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error…

When your agent uses it

  • The user mentions a rollout percentage
  • Traffic distribution
  • Gives a ratio like 60/40
  • Asks who sees the test variant?

Example prompts

  • “roll out to 25%”
  • “who sees the test variant?”
  • “Use the configuring-experiment-rollout skill to configure the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C…”
  • “/configuring-experiment-rollout”

Workflow steps

2 steps, taken from the step headings in SKILL.md.

  1. Variant split (feature_flag.filters.multivariate.variants)
  2. Overall rollout (feature_flag.filters.groups[0].rollout_percentage)

What it can do on your machine

Read from SKILL.md and the folder at commit 10f9ad7. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are json).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • posthog.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Configuring Experiment Rollout loads about 3.8k tokens when it runs, and up to ~5.2k if it reads all its reference files. Until then it costs about 173 tokens; SKILL.md has 1,931 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~173
When it runs · the whole SKILL.md, loaded when a task matches
~3.8k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~5.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,931 words (~3,794 tokens).

“This skill answers: Who sees what variant?”

— opening of SKILL.md by PostHog, Custom licence
name
configuring-experiment-rollout

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in products/experiments/skills/configuring-experiment-rollout of PostHog/posthog.

  • SKILL.md
  • references/changing-distribution-after-launch.md

Open the folder on GitHubat commit 10f9ad7

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders. This page covers the copy in PostHog/posthog, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Configuring Experiment Rollout next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Configuring Experiment Rollout compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Configuring Experiment Rollout this skillPostHog/posthog40k—~3.8kAutomated safety check: PassCustom licence
Telemetry AnalyticsOpenHands/OpenHands90k—~305Automated safety check: PassMIT
Temps Best Practicesgotempsh/temps826—~2.9kAutomated safety check: PassApache-2.0
Posthog CI Integrationjeremylongshore/tons-of-skills-marketplace2.8k—~2kAutomated safety check: PassMIT
Posthog Deploy Integrationjeremylongshore/tons-of-skills-marketplace2.8k—~2kAutomated safety check: PassMIT
Posthog Incident Runbookjeremylongshore/tons-of-skills-marketplace2.8k—~2.1kAutomated safety check: PassMIT

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Works with

Categories

Questions about Configuring Experiment Rollout

What does Configuring Experiment Rollout do?

Configures the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C ratios), the overall rollout percentage that gates how many users enter the experiment, and the…. Configuring Experiment Rollout is an agent skill from PostHog/posthog, published by the product's own GitHub organization. Configures the rollout shape of a PostHog experiment — the variant split (50/50, 80/20, A/B/C ratios), the overall rollout percentage that gates how many users enter the experiment, and the disambiguation when a percentage like "roll out to 25%" could mean either.

When should I use Configuring Experiment Rollout?

Configuring Experiment Rollout fits situations like: the user mentions a rollout percentage; traffic distribution; gives a ratio like 60/40; asks who sees the test variant?.

How do I install Configuring Experiment Rollout in Claude Code?

Run `npx skills add PostHog/posthog --skill configuring-experiment-rollout -a claude-code`. Or copy the skill folder (products/experiments/skills/configuring-experiment-rollout in PostHog/posthog) into .claude/skills/configuring-experiment-rollout in your project. Claude Code loads it when a task matches its description.

How do I install Configuring Experiment Rollout in Codex?

Run `npx skills add PostHog/posthog --skill configuring-experiment-rollout -a codex`. Or copy the skill folder (products/experiments/skills/configuring-experiment-rollout in PostHog/posthog) into .agents/skills/configuring-experiment-rollout in your project. Codex loads it when a task matches its description.

Can I use Configuring Experiment Rollout in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add PostHog/posthog --skill configuring-experiment-rollout -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/configuring-experiment-rollout, .gemini/skills/configuring-experiment-rollout, .github/skills/configuring-experiment-rollout and .opencode/skills/configuring-experiment-rollout in your project.

What does Configuring Experiment Rollout need to run?

SKILL.md names no scripts, command-line tools or credentials: Configuring Experiment Rollout is instructions for the agent only.

Does Configuring Experiment Rollout access the network?

SKILL.md names 1 domain. As links in the text: posthog.com. This is read from the text; nothing was executed.

Is Configuring Experiment Rollout safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Configuring Experiment Rollout use?

Configuring Experiment Rollout has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Configuring Experiment Rollout use?

About 3.8k tokens (SKILL.md is roughly 15k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.4k tokens, read only when the agent opens those files.

What are the alternatives to Configuring Experiment Rollout?

Skills that share tags, products or a category with Configuring Experiment Rollout: Telemetry Analytics (OpenHands/OpenHands, 90k stars), Temps Best Practices (gotempsh/temps, 826 stars), Posthog CI Integration (jeremylongshore/tons-of-skills-marketplace, 2.8k stars) and Posthog Deploy Integration (jeremylongshore/tons-of-skills-marketplace, 2.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Configuring Experiment Rollout?

PostHog (a GitHub organization, an official publisher) maintains it in PostHog/posthog, which has 40,182 GitHub stars. The repository holds 252 skills in this directory. The repository was last updated on October 8, 2026.

Source: PostHog/posthog on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.