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Updated 1mo ago

by DingDuff

dingduff-public

Free legal-research skills and Claude plugin from DingDuff — built by lawyers, for lawyers. Also home to the DingDuff installation & help wiki.

Works with
  • Claude
View on GitHub (opens in a new tab)

61 GitHub stars (61)

+1 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +1 in total; the busiest day was Oct 14 with +1 stars.Oct 1: 0 starsOct 2: 0 starsOct 3: 0 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: 0 starsOct 8: 0 starsOct 9: 0 starsOct 10: 0 starsOct 11: 0 starsOct 12: 0 starsOct 13: 0 starsOct 14: +1 starsOct 15: 0 starsOct 16: 0 stars
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  • 5 skills (5 skills found in its SKILL.md files)
  • 8 forks (8 forks)
  • 1mo ago last update (Last updated 1mo ago)

Install

Skills CLI

npx skills add DingDuff/dingduff-public

Asks which skills and agents to install. Just one: npx skills add DingDuff/dingduff-public --skill dingduff-citation-check — add -g for every project.

Claude Code

git clone https://github.com/DingDuff/dingduff-publiccp -r "dingduff-public/plugins/dingduff/skills/dingduff-citation-check" ~/.claude/skills/

Copies the dingduff-citation-check skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add DingDuff/dingduff-public

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • dingduff-citation-check

    Verify every citation in a drafted legal memo (Markdown, Word, or Google Docs) against stored opinions and statutes plus any other source documents the attorney supplies (a Restatement section, an off-CourtListener case, an opposing brief, a factual PDF). Use after drafting a memo when the user asks to cite-check, citecheck, verify citations, verify quotes, check cites, or validate authorities. P…

    plugins/dingduff/skills/dingduff-citation-check/SKILL.md on GitHub (opens in a new tab)

  • dingduff-legal-analysis

    Analyze a legal question rigorously and produce a citation-anchored analysis or proof skeleton — frame the issues, synthesize the governing rule, analyze the facts, organize the proof (CRAC/CREAC), and deploy authority. Use for ANY legal-reasoning task — "what's the law on X," "do we have a claim," "will this hold up," "analyze whether," "what are the issues," "how would we argue this" — and to b…

    plugins/dingduff/skills/dingduff-legal-analysis/SKILL.md on GitHub (opens in a new tab)

  • dingduff-legal-citation-format

    Format legal citations in the style courts expect (briefs, motions, memoranda, pleadings). Use when drafting, inserting, or fixing a citation to a case, statute, constitution, regulation, rule, secondary source (treatise, law review, etc), or a same-matter filing — or when a draft needs signals (e.g. see, cf., but see), pincites, short forms (id./supra), string cites, explanatory parentheticals,…

    plugins/dingduff/skills/dingduff-legal-citation-format/SKILL.md on GitHub (opens in a new tab)

  • dingduff-legal-research

    Research the law on a question — find, retrieve, read, and validate the controlling cases, statutes, and regulations; map the citation network and the statutory landscape; and verify everything is still good law. Use for ANY legal-research task — "what's the law on X," "find cases/statutes on Y," "research precedent," "is this still good law," "map the statutory scheme," "what does § __ mean" — a…

    plugins/dingduff/skills/dingduff-legal-research/SKILL.md on GitHub (opens in a new tab)

  • dingduff-validity-check

    Confirm whether a specific case is still good law before an argument rests on it. ALWAYS RUN IN A SUBAGENT (use Opus) — never in the main context window. Subagent will return the valid/invalid finding. Driven by the opinion_verify tool, with a docket check via the PACER tools for federal origins. Use on ANY load-bearing case — one an argument, memo section, brief point, or client advice actually…

    plugins/dingduff/skills/dingduff-validity-check/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.