Fin Arch Diagram
csmar432/finai-research
生成研究/项目架构图、流程图、层次图（swimlane / processflow / hierarchytree）。适合 PPT 汇报、技术文档、综述插图。输出风格接近 draw.io，可选 graphviz（高质量）/ matplotlib（零依赖）双后端。
A skill your agent uses whenever the user wants to conduct an event study, create event study plots, test for parallel trends, implement difference-in-differences designs, or work with any panel…
Install Event Study
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill event-study -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills event-study --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/27-dariia-m-my_claude_skills/event-studies .claude/skills/event-study && 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 "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .claude/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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/27-dariia-m-my_claude_skills/event-studiesType 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 event-study -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills event-study --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/27-dariia-m-my_claude_skills/event-studies .agents/skills/event-study && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .agents/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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 event-study -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills event-study --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/27-dariia-m-my_claude_skills/event-studies .cursor/skills/event-study && 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 "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .cursor/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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/27-dariia-m-my_claude_skills/event-studies--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 event-study -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills event-study --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/27-dariia-m-my_claude_skills/event-studies .gemini/skills/event-study && 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 "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .gemini/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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 event-studyInstalls 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 event-study -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/27-dariia-m-my_claude_skills/event-studies .github/skills/event-study && 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 "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .github/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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 event-study -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 event-study --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/27-dariia-m-my_claude_skills/event-studies .opencode/skills/event-study && 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 "event-study" agent skill from https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/tree/main/skills/27-dariia-m-my_claude_skills/event-studies into .opencode/skills/event-study/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "event-study", 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
event-study- GitHub stars
- 4.5k
- Token cost
- ~1.7k tokens
- SKILL.md length
- 782 words
- Files
- 4
- Skills in repo
- 364
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
A skill your agent uses whenever the user wants to conduct an event study, create event study plots, test for parallel trends, implement difference-in-differences designs, or work with any panel…
- Works in 3 steps: Is treatment timing the same for all… → Is there reason to expect heterogeneous… → What is the user's goal?
- The user wants to conduct an event study
- SKILL.md covers When to Use This Skill, Quick Decision Tree, Core Concepts (Brief) and Workflow, plus 4 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Event Study is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Use this skill whenever the user wants to conduct an event study, create event study plots, test for parallel trends, implement difference-in-differences designs, or work with any panel data estimation that involves pre/post treatment comparisons. Trigger on phrases like "event study", "parallel trends", "pre-trends", "dynamic treatment effects", "leads and lags", "TWFE", "two-way fixed effects", "staggered adoption", "staggered treatment", "difference-in-differences", "DiD", "Sun and Abraham", "Callaway and…
Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files (for example `diagnostics-and-testing.md`, `modern-extensions.md` and `traditional-event-study.md`).
It sits in Research & Science, covering Econometrics and empirical research and Data visualization. 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…
When your agent uses it
- The user wants to conduct an event study
- Create event study plots
- Test for parallel trends
- Implement difference-in-differences designs
Example prompts
- “event study”
- “parallel trends”
- “pre-trends”
- “/event-study”
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Is treatment timing the same for all treated units?
- Is there reason to expect heterogeneous treatment effects across cohorts or over time?
- What is the user's goal?
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
Event Study loads about 1.7k tokens when it runs. Until then it costs about 209 tokens; SKILL.md has 782 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 782 words (~1,724 tokens).
“This skill covers everything needed to conduct event studies in R - from the traditional two-way fixed effects (TWFE) approach through modern robust estimators that handle staggered treatment timing and heterogeneous treatment effects.”
- name
- event-study
Files
SKILL.md and 3 other files in skills/27-dariia-m-my_claude_skills/event-studies of brycewang-stanford/Auto-Empirical-Research-Skills.
- SKILL.md
- diagnostics-and-testing.md
- modern-extensions.md
- traditional-event-study.md
Open the folder on GitHubat commit 9fa87d8
Compare with similar skills
Event Study 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 |
|---|---|---|---|---|---|---|
| Event Study this skillbrycewang-stanford/Auto-Empirical-Research-Skills | 4.5k | — | ~1.7k | Automated safety check: Pass | Custom licence | |
| Fin Arch Diagramcsmar432/finai-research | 109 | — | ~1.5k | Automated safety check: Pass | MIT | |
| Research Analysis Routerwentorai/Research-Claw | 858 | — | ~169 | Automated safety check: Pass | Custom licence | |
| Nature-Style Scientific FiguresYuan1z0825/nature-skills | 46k | — | ~2.9k | Automated safety check: Pass | Apache-2.0 | |
| Engineering Figure Agentheyu-233/engineering-figure-agent | 305 | — | ~1.1k | Automated safety check: Pass | MIT | |
| Example Datasetspymc-labs/CausalPy | 1.2k | — | ~587 | Automated safety check: Pass | Apache-2.0 |
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Related
Categories
Questions about Event Study
What does Event Study do?
A skill your agent uses whenever the user wants to conduct an event study, create event study plots, test for parallel trends, implement difference-in-differences designs, or work with any panel…. Event Study is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Use this skill whenever the user wants to conduct an event study, create event study plots, test for parallel trends, implement difference-in-differences designs, or work with any panel data estimation that involves pre/post treatment comparisons.
When should I use Event Study?
Event Study fits situations like: the user wants to conduct an event study; create event study plots; test for parallel trends; implement difference-in-differences designs.
How do I install Event Study in Claude Code?
Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill event-study -a claude-code`. Or copy the skill folder (skills/27-dariia-m-my_claude_skills/event-studies in brycewang-stanford/Auto-Empirical-Research-Skills) into .claude/skills/event-study in your project. Claude Code loads it when a task matches its description.
How do I install Event Study in Codex?
Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill event-study -a codex`. Or copy the skill folder (skills/27-dariia-m-my_claude_skills/event-studies in brycewang-stanford/Auto-Empirical-Research-Skills) into .agents/skills/event-study in your project. Codex loads it when a task matches its description.
Can I use Event Study 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 event-study -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/event-study, .gemini/skills/event-study, .github/skills/event-study and .opencode/skills/event-study in your project.
What does Event Study need to run?
SKILL.md names no scripts, command-line tools or credentials: Event Study is instructions for the agent only.
Does Event Study 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 Event Study 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 Event Study use?
Event Study 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 Event Study use?
About 1.7k tokens (SKILL.md is roughly 6.9k 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 Event Study?
Skills that share tags, products or a category with Event Study: Fin Arch Diagram (csmar432/finai-research, 109 stars), Research Analysis Router (wentorai/Research-Claw, 858 stars), Nature-Style Scientific Figures (Yuan1z0825/nature-skills, 46k stars) and Engineering Figure Agent (heyu-233/engineering-figure-agent, 305 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Event Study?
brycewang-stanford (a GitHub user) maintains it in brycewang-stanford/Auto-Empirical-Research-Skills, which has 4,529 GitHub stars. The repository holds 364 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.