Skills

aer-identification

aer-identification is a skill in brycewang-stanford/Auto-Empirical-Research-Skills, last changed 22 Jul 2026. It can reach the network. Our pattern check flagged nothing at commit 371a40e on 27 Oct 2026.

Pattern check: nothing flagged · commit 371a40e · 27 Oct 2026

Install
From the author
Use when selecting, implementing, or stress-testing the causal identification strategy for an empirical economics manuscript — difference-in-differences (including staggered designs), instrumental variables (including weak-IV-robust inference), regression discontinuity, synthetic control, or shift-share / Bartik. Apply before writing the introduction or results.
Licence
Licence not identified
Repo stars
4.8k
Folder last changed
22 Jul 2026 (opens in a new tab)
Publisher
brycewang-stanford
Files
3 files
Checked
371a40e (opens in a new tab) · 27 Oct 2026

Install

Each tab says whether it installs commit 371a40e, the one we checked, or the latest version.

No tab for your agent? Use Any agent for OpenCode, Goose, Windsurf (Devin Desktop), Zed, Roo Code, Factory Droid, Junie, Amp and Antigravity, and Claude Code for Cline. Kiro needs the folder copied by hand.

Pinned to commit 371a40e, the one we checked.

From your project's root folder:

tmp="$(mktemp -d)" &&
  git clone -q --depth 1 --filter=blob:none --no-checkout https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills.git "$tmp" &&
  git -C "$tmp" fetch -q --depth 1 origin 371a40e488c5d9e8e75ca2af5dd9667f8349c199 &&
  git -C "$tmp" sparse-checkout set -- skills/50-brycewang-aer-skills/skills/aer-identification &&
  git -C "$tmp" checkout -q 371a40e488c5d9e8e75ca2af5dd9667f8349c199 &&
  mkdir -p .claude/skills &&
  mkdir .claude/skills/aer-identification &&
  cp -R "$tmp"/skills/50-brycewang-aer-skills/skills/aer-identification/. .claude/skills/aer-identification/ &&
  rm -rf "$tmp"

If Claude Code was already running and this created the skills folder, run /reload-skills.

Or install the aer-skills plugin it ships in. Installs the latest version, not the one we checked. Installs everything in the plugin, including any hooks, MCP servers and scripts our check doesn't cover.

claude plugin marketplace add brycewang-stanford/Auto-Empirical-Research-Skills --scope project &&
  claude plugin install aer-skills@auto-empirical-research-skills --scope project
Claude Code docs (opens in a new tab)

What it can touch

From the files and frontmatter at commit 371a40e. This is how much a skill can do, not whether it is risky.

What it can touch: Scripts or outside hosts

  • Reaches the network

    It sends or fetches data over the internet, for example with curl, an HTTP library or a package install.

Pattern check

Pattern check: nothing flagged · commit 371a40e · 27 Oct 2026

We checked every text file in this skill, at commit 371a40e on 27 Oct 2026, against 45 published patterns such as download-and-run commands, hidden text and credential access. We don't run the skill, we don't read the web pages it points to, and we can't judge everything its instructions might lead an agent to do. In published tests, pattern checks like this one missed most malicious skills. Read the skill before you install it — especially anything it asks you to download or run.

How the check worksReport an incorrect finding

Format check

Each agent reads SKILL.md a little differently. We check the file against each one's published rules; we don't run the skill in any agent.

  • Agent Skills specPasses

    The open format from agentskills.io, held to what the strictest agents enforce, so one folder loads everywhere.

    • Note

      The first sentence of the description is 314 characters. Agents shorten long descriptions, so lead with the main job. D8

      Fix: Start with one short sentence that names the job.

    • Note

      There is no license field, so readers can't tell whether they may reuse the skill. O2

      Fix: Add license: with an SPDX name such as MIT or Apache-2.0, or the name of a bundled licence file.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/estimator-playbook.md (259 lines). B5

      Fix: Add a short list of the sections at the top of each.

  • Claude CodePasses

    Claude Code reads its own extra fields, ignores unknown ones, and still loads a skill whose frontmatter is broken, without its fields.

    • Note

      The first sentence of the description is 314 characters. Agents shorten long descriptions, so lead with the main job. D8

      Fix: Start with one short sentence that names the job.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/estimator-playbook.md (259 lines). B5

      Fix: Add a short list of the sections at the top of each.

  • Claude apps & API uploadPasses

    Uploading to claude.ai or the Claude API, or packaging with Anthropic's script, accepts only the six spec fields and stops on anything else.

    • Note

      The description is 364 characters. The claude.ai Help Center says 200 at most, though Anthropic's API docs and validator allow 1,024. D4

      Fix: If the claude.ai upload refuses it, trim the description to 200 characters.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/estimator-playbook.md (259 lines). B5

      Fix: Add a short list of the sections at the top of each.

  • OpenAI (Codex & API)Passes

    Codex finds SKILL.md by its exact name and needs a description; OpenAI's Skills API checks the frontmatter against the spec and caps uploads.

    • Note

      The first sentence of the description is 314 characters. Agents shorten long descriptions, so lead with the main job. D8

      Fix: Start with one short sentence that names the job.

  • VS Code & CopilotPasses

SKILL.md

We only show SKILL.md text here when its licence clearly allows it.

Read SKILL.md on GitHub (opens in a new tab)

Files

3 files

PathSize
SKILL.md (opens in a new tab)11.7 KB
agents/openai.yaml (opens in a new tab)212 B
references/estimator-playbook.md (opens in a new tab)16.9 KB

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