Diagnosing Experiment Health
PostHog/posthog
Runs diagnostics and a health check on one PostHog experiment: its setup, exposures, results and changes during the run.
Agent skill
List Experiment
by brycewang-stanford in brycewang-stanford/Auto-Empirical-Research-Skills
Design and diagnose list experiments (item count technique).
Custom licenceAuto-check passed
Install List Experiment
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experiment --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .claude/skills/list-experiment && rm -rf skills-srcUse ~/.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/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .claude/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experimentType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experiment --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .agents/skills/list-experiment && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .agents/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experiment --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .cursor/skills/list-experiment && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .cursor/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git --path skills/54-scdenney-open-science-skills/skills/list-experiment--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experiment --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .gemini/skills/list-experiment && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .gemini/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experimentInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .github/skills/list-experiment && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .github/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills list-experiment --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/54-scdenney-open-science-skills/skills/list-experiment .opencode/skills/list-experiment && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "list-experiment" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/54-scdenney-open-science-skills/skills/list-experiment into .opencode/skills/list-experiment/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "list-experiment", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
list-experiment- GitHub stars
- 4.5k
- Token cost
- ~4.2k tokens
- SKILL.md length
- 2,265 words
- Files
- 2
- Skills in repo
- 383
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Design and diagnose list experiments (item count technique).
- Works in 8 steps: Pre-Design: Is a List Experiment… → Basic Design → Control List Design → …
- SKILL.md covers Instructions, Quality Checks and Example
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
List Experiment is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Design and diagnose list experiments (item count technique).
Its SKILL.md is about 4.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `reference/example-clientelism.md`).
The repository describes itself as: 🔬 A curated collection of 23,000+ agent skills for empirical research across 8 social science disciplines. | 精选 23,000+ AI Agent 技能库，覆盖8大社会科学学科的实证研究。CoPaper.AI…
Example prompts
- “/list-experiment”
Workflow steps
8 steps, taken from the step headings in SKILL.md.
- Pre-Design: Is a List Experiment Warranted?
- Basic Design
- Control List Design
- Design Variants
- Estimators
- Identifying Assumptions and Diagnostics
- Common Problems and Corrections
- Statistical Power
What it can do on your machine
Read from SKILL.md and the folder at commit 9fa87d8. 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.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
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
List Experiment loads about 4.2k tokens when it runs. Until then it costs about 19 tokens; SKILL.md has 2,265 words of instructions outside code blocks.
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 2,265 words (~4,240 tokens).
“Related skills: Use alongside hypothesis-building (state π and a SESOI before design choices), survey-design (mode effects, question ordering, and pre-testing of control items), and methods-reporting (deposit list wording, randomization seed, list package version, and ict.test / ict.hausman.test / ictreg() output).”
- name
- list-experiment
- argument-hint
- [describe your sensitive question or list experiment design]
Files
SKILL.md and 1 other file in skills/54-scdenney-open-science-skills/skills/list-experiment of brycewang-stanford/Auto-Empirical-Research-Skills.
- SKILL.md
- reference/example-clientelism.md
Open the folder on GitHubat commit 9fa87d8
Compare with similar skills
List Experiment 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| List Experiment this skillbrycewang-stanford/Auto-Empirical-Research-Skills | 4.5k | — | ~4.2k | Automated safety check: Pass | Custom licence | |
| Diagnosing Experiment HealthPostHog/posthog | 40k | — | ~5.9k | Automated safety check: Pass | Custom licence | |
| Diagnose Gatewayopenclaw/openclaw | 392k | — | ~670 | Automated safety check: Pass | MIT | |
| Finding ExperimentsPostHog/posthog | 40k | — | ~826 | Automated safety check: Pass | Custom licence | |
| Diagnosegithub/awesome-copilot | 40k | 1 repos | ~1k | Automated safety check: Pass | MIT | |
| ExperimentsArize-ai/phoenix | 12k | — | ~1.8k | Automated safety check: Pass | Custom licence |
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Finding Experiments
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Resolves a PostHog experiment reference from natural language to a concrete experiment ID by browsing experiment-list (not feature-flag tools), with disambiguation when multiple experiments match.
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Diagnose
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Perform a systematic diagnostic scan of an AI workflow across 5 quality dimensions — prompt quality, context efficiency, tool health, architecture fitness, and safety — producing a scored report…
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Run, read, and compare dataset-backed experiments to find evidence that a prompt or pipeline is improving.
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Questions about List Experiment
What does List Experiment do?
Design and diagnose list experiments (item count technique). List Experiment is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Design and diagnose list experiments (item count technique).
How do I install List Experiment in Claude Code?
Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a claude-code`. Or copy the skill folder (skills/54-scdenney-open-science-skills/skills/list-experiment in brycewang-stanford/Auto-Empirical-Research-Skills) into .claude/skills/list-experiment in your project. Claude Code loads it when a task matches its description.
How do I install List Experiment in Codex?
Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a codex`. Or copy the skill folder (skills/54-scdenney-open-science-skills/skills/list-experiment in brycewang-stanford/Auto-Empirical-Research-Skills) into .agents/skills/list-experiment in your project. Codex loads it when a task matches its description.
Can I use List Experiment 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 brycewang-stanford/Auto-Empirical-Research-Skills --skill list-experiment -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/list-experiment, .gemini/skills/list-experiment, .github/skills/list-experiment and .opencode/skills/list-experiment in your project.
What does List Experiment need to run?
SKILL.md names no scripts, command-line tools or credentials: List Experiment is instructions for the agent only.
Does List Experiment access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is List Experiment 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 List Experiment use?
List Experiment 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 List Experiment use?
About 4.2k tokens (SKILL.md is roughly 17k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to List Experiment?
Skills that share tags, products or a category with List Experiment: Diagnosing Experiment Health (PostHog/posthog, 40k stars), Diagnose Gateway (openclaw/openclaw, 392k stars), Finding Experiments (PostHog/posthog, 40k stars) and Diagnose (github/awesome-copilot, 40k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains List Experiment?
brycewang-stanford (a GitHub user) maintains it in brycewang-stanford/Auto-Empirical-Research-Skills, which has 4,542 GitHub stars. The repository holds 383 skills in this directory. The repository was last updated on October 5, 2026.
Source: brycewang-stanford/Auto-Empirical-Research-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.