Agent skill

Evidence Argument Chain

by THUYRan in THUYRan/Legal-Skills-Chinese

Trigger this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims.

No licenceAuto-check passedLegal & Compliance

Install Evidence Argument Chain

skills CLI
$ npx skills add THUYRan/Legal-Skills-Chinese --skill evidence-argument-chain -a claude-code

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

GitHub CLI
$ gh skill install THUYRan/Legal-Skills-Chinese evidence-argument-chain --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/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .claude/skills && cp -r skills-src/English/skills/evidence-argument-chain .claude/skills/evidence-argument-chain && 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
evidence-argument-chain
GitHub stars
874
Token cost
~18k tokens
SKILL.md length
2,233 words
Files
1
Skills in repo
71
Repo updated
First seen
Licence
None found

At a glance

Trigger this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims.

  • Works in 12 steps: Identify and List All Legal Claims → Decompose Legal Constituent Elements → Determine Facts to Be Proved → …
  • This skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims
  • SKILL.md covers Overview Table, Legal Disclaimer, I. Core Concepts and II. Complete Workflow, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Evidence Argument Chain is an agent skill from THUYRan/Legal-Skills-Chinese. Trigger this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims. Typical trigger scenarios include: preparing litigation documents (complaint, answer, counsel's brief) that require a complete evidence–claim correspondence; organizing the evidence list before trial and clarifying the purpose of proof for each item; reorganizing the evidence chain after the opposing party raises rebuttals; cases with multiple disputed issues where evidence must be grouped…

Its SKILL.md is about 18k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Legal & Compliance, covering Legal research.

When your agent uses it

  • This skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims
  • Scenarios include: preparing litigation documents (complaint
  • Counsels brief) that require a complete evidence–claim correspondence
  • Organizing the evidence list before trial and clarifying the purpose of proof for each item

Example prompts

  • “claim → elements → evidence → probative-value assessment,”
  • “/evidence-argument-chain”

Workflow steps

12 steps, taken from the step headings in SKILL.md.

  1. Identify and List All Legal Claims
  2. Decompose Legal Constituent Elements
  3. Determine Facts to Be Proved
  4. Compile the Evidence List
  5. Group Evidence
  6. Match Evidence Element by Element
  7. Draft Purpose-of-Proof Statements
  8. Build Evidence Chains
  9. Assess Probative Value Element by Element
  10. Identify Evidence Gaps and Remedial Recommendations
  11. Draw the Argument-Chain Panorama
  12. Optimize Argumentative Sequence

What it can do on your machine

Read from SKILL.md and the folder at commit c31ef1f. 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 (its code samples are markdown).

    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

Evidence Argument Chain loads about 18k tokens when it runs. Until then it costs about 256 tokens; SKILL.md has 2,233 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~256
When it runs · the whole SKILL.md, loaded when a task matches
~18k

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 2,233 words (~17,704 tokens).

“An evidence–argument chain means decomposing a legal claim into its constituent elements (构成要件), then mapping concrete evidence item-by-item onto each element, forming a complete logical chain of "claim → elements → evidence → probative value."”

— opening of SKILL.md by THUYRan
name
evidence-argument-chain

Read the full SKILL.md on GitHub

Files

Just SKILL.md in English/skills/evidence-argument-chain of THUYRan/Legal-Skills-Chinese.

Open the folder on GitHubat commit c31ef1f

Compare with similar skills

Evidence Argument Chain 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.

Evidence Argument Chain compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Evidence Argument Chain this skillTHUYRan/Legal-Skills-Chinese874—~18kAutomated safety check: PassNone
Tw Legal RAGaa0101181514/tw-legal-rag328—~580Automated safety check: PassCustom licence
Design Award SearchSeanJ1ang/design-judge-skills712—~3kAutomated safety check: PassApache-2.0
China Lawyer AnalystCSlawyer1985/china-lawyer-analyst196—~3.3kAutomated safety check: PassNone
Legal Issue ResearchGolden2002/legal-research-skill156—~6.8kAutomated safety check: PassMIT
Tax Law ResearchSerein-81/financial_rag148—~997Automated safety check: NotesNone

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Questions about Evidence Argument Chain

What does Evidence Argument Chain do?

Trigger this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims. Evidence Argument Chain is an agent skill from THUYRan/Legal-Skills-Chinese. Trigger this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims.

When should I use Evidence Argument Chain?

Evidence Argument Chain fits situations like: this skill when multiple pieces of evidence in a case must be systematically mapped to legal argumentative claims; scenarios include: preparing litigation documents (complaint; counsels brief) that require a complete evidence–claim correspondence; organizing the evidence list before trial and clarifying the purpose of proof for each item.

How do I install Evidence Argument Chain in Claude Code?

Run `npx skills add THUYRan/Legal-Skills-Chinese --skill evidence-argument-chain -a claude-code`. Or copy the skill folder (English/skills/evidence-argument-chain in THUYRan/Legal-Skills-Chinese) into .claude/skills/evidence-argument-chain in your project. Claude Code loads it when a task matches its description.

How do I install Evidence Argument Chain in Codex?

Run `npx skills add THUYRan/Legal-Skills-Chinese --skill evidence-argument-chain -a codex`. Or copy the skill folder (English/skills/evidence-argument-chain in THUYRan/Legal-Skills-Chinese) into .agents/skills/evidence-argument-chain in your project. Codex loads it when a task matches its description.

Can I use Evidence Argument Chain 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 THUYRan/Legal-Skills-Chinese --skill evidence-argument-chain -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/evidence-argument-chain, .gemini/skills/evidence-argument-chain, .github/skills/evidence-argument-chain and .opencode/skills/evidence-argument-chain in your project.

What does Evidence Argument Chain need to run?

SKILL.md names no scripts, command-line tools or credentials: Evidence Argument Chain is instructions for the agent only.

Does Evidence Argument Chain 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 Evidence Argument Chain 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 Evidence Argument Chain use?

No licence was found for Evidence Argument Chain or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Evidence Argument Chain use?

About 18k tokens (SKILL.md is roughly 71k 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 Evidence Argument Chain?

Skills that share tags, products or a category with Evidence Argument Chain: Tw Legal RAG (aa0101181514/tw-legal-rag, 328 stars), Design Award Search (SeanJ1ang/design-judge-skills, 712 stars), China Lawyer Analyst (CSlawyer1985/china-lawyer-analyst, 196 stars) and Legal Issue Research (Golden2002/legal-research-skill, 156 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Evidence Argument Chain?

THUYRan (a GitHub user) maintains it in THUYRan/Legal-Skills-Chinese, which has 874 GitHub stars. The repository holds 71 skills in this directory. The repository was last updated on August 22, 2026.

Source: THUYRan/Legal-Skills-Chinese on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.