Agent skill

Jf Internet Appendix

by franklee16 in franklee16/academic-research-skills

A skill your agent uses when deciding what belongs in the Internet Appendix vs.

No licenceAuto-check passed

Install Jf Internet Appendix

skills CLI
$ npx skills add franklee16/academic-research-skills --skill jf-internet-appendix -a claude-code

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

GitHub CLI
$ gh skill install franklee16/academic-research-skills jf-internet-appendix --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/franklee16/academic-research-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Awesome-Journal-Skills-main/Journal-of-Finance-Skills/skills/jf-internet-appendix .claude/skills/jf-internet-appendix && 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
jf-internet-appendix
GitHub stars
223
Used in
1 other repo
Token cost
~1.1k tokens
SKILL.md length
453 words
Files
1
Skills in repo
1,616
Repo updated
First seen
Licence
None found

At a glance

A skill your agent uses when deciding what belongs in the Internet Appendix vs.

  • Deciding what belongs in the Internet Appendix vs
  • SKILL.md covers When to trigger, JF's actual Internet Appendix…, What goes where and Structuring the Internet…, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Jf Internet Appendix is an agent skill from franklee16/academic-research-skills. Use when deciding what belongs in the Internet Appendix vs. the main text of a The Journal of Finance (JF) manuscript. Allocates content and structures the appendix per JF's actual policy; it does not generate the results.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Comprehensive collection of Claude Code skills for academic research in economics, finance, and social sciences.

When your agent uses it

  • Deciding what belongs in the Internet Appendix vs

Example prompts

  • “/jf-internet-appendix”

What it can do on your machine

Read from SKILL.md and the folder at commit 9a4b2db. 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

Jf Internet Appendix loads about 1.1k tokens when it runs. Until then it costs about 61 tokens; SKILL.md has 453 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 453 words (~1,056 tokens).

“The "Internet Appendix" is a JF convention (JF helped popularize it). JF's specifics differ from generic "online appendices":”

— opening of SKILL.md by franklee16
name
jf-internet-appendix

Read the full SKILL.md on GitHub

Files

Just SKILL.md in Awesome-Journal-Skills-main/Journal-of-Finance-Skills/skills/jf-internet-appendix of franklee16/academic-research-skills.

Open the folder on GitHubat commit 9a4b2db

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in franklee16/academic-research-skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Jf Internet Appendix 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.

Jf Internet Appendix compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Jf Internet Appendix this skillfranklee16/academic-research-skills2231 repos~1.1kAutomated safety check: PassNone
Finman Internet Appendixbrycewang-stanford/Awesome-Journal-Skills1.2k—~1.7kAutomated safety check: PassMIT
Jfm Internet Appendixbrycewang-stanford/Awesome-Journal-Skills1.2k—~2kAutomated safety check: PassMIT
Jmcb Internet Appendixbrycewang-stanford/Awesome-Journal-Skills1.2k—~1.8kAutomated safety check: PassMIT
Jimf Internet Appendixbrycewang-stanford/Awesome-Journal-Skills1.2k—~2kAutomated safety check: PassMIT
Landmark One Mainthedaviddias/Front-End-Checklist74k—~442Automated safety check: PassMIT

Similar skills

  • Finman Internet Appendix

    brycewang-stanford/Awesome-Journal-Skills

    A skill your agent uses when deciding what belongs in a Financial Management (FM) internet appendix vs.

    1.2k GitHub stars~1.7k tokensUpdated 11 days ago
    Auto-check passed
  • Jfm Internet Appendix

    brycewang-stanford/Awesome-Journal-Skills

    A skill your agent uses when assembling the Internet Appendix, data codebook, and replication materials for a Journal of Financial Markets (JFM) manuscript — what stays in the main text vs.

    1.2k GitHub stars~2k tokensUpdated 11 days ago
    DatabasesAuto-check passed
  • Jmcb Internet Appendix

    brycewang-stanford/Awesome-Journal-Skills

    A skill your agent uses when deciding what belongs in the online appendix vs.

    1.2k GitHub stars~1.8k tokensUpdated 11 days ago
    DatabasesAuto-check passed
  • Jimf Internet Appendix

    brycewang-stanford/Awesome-Journal-Skills

    A skill your agent uses when organizing the online/supplementary appendix and the data-and-code deposit for a Journal of International Money and Finance (JIMF) manuscript.

    1.2k GitHub stars~2k tokensUpdated 11 days ago
    Research & ScienceAuto-check passed
  • Landmark One Main

    thedaviddias/Front-End-Checklist

    A skill your agent uses when reviewing rendered HTML, interactive components, or design-system patterns related to Use exactly one main landmark.

    74k GitHub stars~442 tokensUpdated 2 days ago
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    remotion-dev/remotion

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    62k GitHub stars~1k tokensUpdated today
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Questions about Jf Internet Appendix

What does Jf Internet Appendix do?

A skill your agent uses when deciding what belongs in the Internet Appendix vs. Jf Internet Appendix is an agent skill from franklee16/academic-research-skills. Use when deciding what belongs in the Internet Appendix vs.

When should I use Jf Internet Appendix?

Jf Internet Appendix fits situations like: deciding what belongs in the Internet Appendix vs.

How do I install Jf Internet Appendix in Claude Code?

Run `npx skills add franklee16/academic-research-skills --skill jf-internet-appendix -a claude-code`. Or copy the skill folder (Awesome-Journal-Skills-main/Journal-of-Finance-Skills/skills/jf-internet-appendix in franklee16/academic-research-skills) into .claude/skills/jf-internet-appendix in your project. Claude Code loads it when a task matches its description.

How do I install Jf Internet Appendix in Codex?

Run `npx skills add franklee16/academic-research-skills --skill jf-internet-appendix -a codex`. Or copy the skill folder (Awesome-Journal-Skills-main/Journal-of-Finance-Skills/skills/jf-internet-appendix in franklee16/academic-research-skills) into .agents/skills/jf-internet-appendix in your project. Codex loads it when a task matches its description.

Can I use Jf Internet Appendix 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 franklee16/academic-research-skills --skill jf-internet-appendix -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/jf-internet-appendix, .gemini/skills/jf-internet-appendix, .github/skills/jf-internet-appendix and .opencode/skills/jf-internet-appendix in your project.

What does Jf Internet Appendix need to run?

SKILL.md names no scripts, command-line tools or credentials: Jf Internet Appendix is instructions for the agent only.

Does Jf Internet Appendix 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 Jf Internet Appendix 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 Jf Internet Appendix use?

No licence was found for Jf Internet Appendix or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Jf Internet Appendix use?

About 1.1k tokens (SKILL.md is roughly 4.2k 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 Jf Internet Appendix?

Skills that share tags, products or a category with Jf Internet Appendix: Finman Internet Appendix (brycewang-stanford/Awesome-Journal-Skills, 1.2k stars), Jfm Internet Appendix (brycewang-stanford/Awesome-Journal-Skills, 1.2k stars), Jmcb Internet Appendix (brycewang-stanford/Awesome-Journal-Skills, 1.2k stars) and Jimf Internet Appendix (brycewang-stanford/Awesome-Journal-Skills, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Jf Internet Appendix?

franklee16 (a GitHub user) maintains it in franklee16/academic-research-skills, which has 223 GitHub stars. The repository holds 1,616 skills in this directory. The repository was last updated on September 18, 2026.

Source: franklee16/academic-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.