Agent skill

Dr Reproduce

Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record.

MITAuto-check passedTesting & QA

Install Dr Reproduce

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a claude-code

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

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce --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/AHepi/DeepReason.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/dr-reproduce .claude/skills/dr-reproduce && 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/

Paste into Claude Code

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .claude/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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

$skill-installer install https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce

Type 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.

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/AHepi/DeepReason.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/dr-reproduce .agents/skills/dr-reproduce && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .agents/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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.

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/AHepi/DeepReason.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/dr-reproduce .cursor/skills/dr-reproduce && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .cursor/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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

$ gemini skills install https://github.com/AHepi/DeepReason.git --path .claude/skills/dr-reproduce

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/AHepi/DeepReason.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/dr-reproduce .gemini/skills/dr-reproduce && rm -rf skills-src

Use ~/.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/

Paste into Gemini CLI

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .gemini/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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.

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce

Installs 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).

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/AHepi/DeepReason.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/dr-reproduce .github/skills/dr-reproduce && rm -rf skills-src

Use ~/.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/

Paste into GitHub Copilot

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .github/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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.

skills CLI

$ npx skills add AHepi/DeepReason --skill dr-reproduce -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install AHepi/DeepReason dr-reproduce --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/AHepi/DeepReason.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/dr-reproduce .opencode/skills/dr-reproduce && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "dr-reproduce" agent skill from https://github.com/AHepi/DeepReason/tree/main/.claude/skills/dr-reproduce into .opencode/skills/dr-reproduce/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "dr-reproduce", 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: dr-reproduce
GitHub stars: 141
Token cost: ~719 tokens
SKILL.md length: 361 words
Files: 1
Skills in repo: 30
Repo updated: Sep 10, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record.

Works in 3 steps: Record replay — the defect is already… → Offline unit reproduction — construct… → Minimal in-memory check — a 20-line…
Tasks that involve Failing and flaky tests
SKILL.md covers Choose the cheapest sufficient…, Fidelity rules, REPRO.md template and Exit criteria
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Dr Reproduce is an agent skill from AHepi/DeepReason. Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record. Use after DIAGNOSIS.md, before any fix.

Its SKILL.md is about 720 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 Testing & QA, covering Failing and flaky tests. The licence is MIT.

When your agent uses it

Tasks that involve Failing and flaky tests

Example prompts

“/dr-reproduce”

Requirements

Python 3

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

Record replay — the defect is already capted in a committed run
Offline unit reproduction — construct the minimal state in a
Minimal in-memory check — a 20-line python3 heredoc proving the

What it can do on your machine

Read from SKILL.md and the folder at commit 9607fba. 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

Dr Reproduce loads about 719 tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 361 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~49
When it runs · the whole SKILL.md, loaded when a task matches: ~719

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

The full file from AHepi/DeepReason at commit 9607fba, republished under its MIT licence (© AHepi). 361 words, ~719 tokens.

Download SKILL.mdSave it as .claude/skills/dr-reproduce/SKILL.md (or your agent's skills folder).

name: dr-reproduce
description: Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record. Use after DIAGNOSIS.md, before any fix.

Reproduce the cause

Input: DIAGNOSIS.md's falsifiable prediction. Output: REPRO.md plus one runnable artifact that shows the defect NOW (and will show its absence after the fix). You still change no production code.

Choose the cheapest sufficient form, in this order

Record replay — the defect is already capted in a committed run root: a script that runs verify_root(<root>) or walks the log and prints the violating fact. Zero live cost; deterministic.
Offline unit reproduction — construct the minimal state in a test: register the same problems/artifacts/policies the record shows and assert the wrong behavior happens. Reuse existing test helpers (_prepare_run, controller fixtures, _policy builders) from the nearest tests/test_*.py; do not invent new scaffolding when a helper exists.
Minimal in-memory check — a 20-line python3 heredoc proving the mechanism (e.g. round-trip a receipt through canonical_json and show key order changes). Acceptable as evidence, but pair it with form 1 or 2 for the regression artifact.

NEVER reproduce by launching a live provider run. Live runs are for dr-verify-outcome, at most once, and only if the goal demands it.

Fidelity rules

The reproduction must mirror the live conditions the record shows, not a convenient simplification. If admission auto-accepted import-role artifacts before cycle 0, your fixture registers those artifacts too. A reproduction that passes for a different reason than the live failure will approve a wrong fix.
One assertion states the DEFECT (currently failing or currently printing the violation), phrased so it inverts cleanly post-fix.
Respect frozen-record invariants in fixtures: one manifest sha per capability chain, constant fence seqs within a proposal's chain — fixture WellFormednessError means your fixture is wrong, not the harness.

REPRO.md template

# Reproduction
Form: record-replay | unit-test | in-memory
Artifact: <path (test id) or inline command>
Current output: <paste the failing/violating output, trimmed>
Confirms diagnosis: yes — <one line linking output to mechanism>
Post-fix expectation: <exact output/assertion after a correct fix>

If the reproduction REFUTES the diagnosis: write that in REPRO.md, commit, and return to the orchestrator routing back to dr-diagnose. A refuted diagnosis is a successful phase, not a failure.

Exit criteria

REPRO.md + artifact committed and pushed.
The artifact demonstrably shows the defect today (output pasted).
Production code untouched.
Return to the orchestrator.

Files

Just SKILL.md in .claude/skills/dr-reproduce of AHepi/DeepReason.

Open the folder on GitHubat commit 9607fba

Compare with similar skills

Dr Reproduce 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.

Dr Reproduce compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Dr Reproduce this skillAHepi/DeepReason	141	—	~719	Automated safety check: Pass	MIT	1 mo ago
Swig Testswig/swig	6.3k	—	~2.3k	Automated safety check: Pass	Custom licence	4 days ago
Triage CI FailureDataDog/datadog-agent	3.8k	—	~2.3k	Automated safety check: Pass	Apache-2.0	today
Dynamo Jira TicketDynamoDS/Dynamo	2k	—	~1.1k	Automated safety check: Pass	Apache-2.0	yesterday
Fix Ready PRsfastrepl/anarlog	9.5k	—	~1.4k	Automated safety check: Pass	MIT	today
Trx Analysismicrosoft/vstest	969	—	~1.8k	Automated safety check: Pass	MIT	yesterday

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Questions about Dr Reproduce

What does Dr Reproduce do?

Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record. Dr Reproduce is an agent skill from AHepi/DeepReason. Demonstrate a diagnosed DeepReason cause with the smallest offline artifact — a failing test or a minimal script against the committed record.

When should I use Dr Reproduce?

Dr Reproduce fits situations like: tasks that involve Failing and flaky tests.

How do I install Dr Reproduce in Claude Code?

Run `npx skills add AHepi/DeepReason --skill dr-reproduce -a claude-code`. Or copy the skill folder (.claude/skills/dr-reproduce in AHepi/DeepReason) into .claude/skills/dr-reproduce in your project. Claude Code loads it when a task matches its description.

How do I install Dr Reproduce in Codex?

Run `npx skills add AHepi/DeepReason --skill dr-reproduce -a codex`. Or copy the skill folder (.claude/skills/dr-reproduce in AHepi/DeepReason) into .agents/skills/dr-reproduce in your project. Codex loads it when a task matches its description.

Can I use Dr Reproduce 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 AHepi/DeepReason --skill dr-reproduce -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/dr-reproduce, .gemini/skills/dr-reproduce, .github/skills/dr-reproduce and .opencode/skills/dr-reproduce in your project.

What does Dr Reproduce need to run?

SKILL.md names no scripts, command-line tools or credentials: Dr Reproduce is instructions for the agent only. Our summary lists: Python 3.

Does Dr Reproduce 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 Dr Reproduce 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 Dr Reproduce use?

Dr Reproduce is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Dr Reproduce use?

About 719 tokens (SKILL.md is roughly 2.9k 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 Dr Reproduce?

Skills that share tags, products or a category with Dr Reproduce: Swig Test (swig/swig, 6.3k stars), Triage CI Failure (DataDog/datadog-agent, 3.8k stars), Dynamo Jira Ticket (DynamoDS/Dynamo, 2k stars) and Fix Ready PRs (fastrepl/anarlog, 9.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Dr Reproduce?

AHepi (a GitHub user) maintains it in AHepi/DeepReason, which has 141 GitHub stars. The repository holds 30 skills in this directory. The repository was last updated on September 10, 2026.

Source: AHepi/DeepReason on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Dr Reproduce

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Reproduce the cause

Choose the cheapest sufficient form, in this order

Fidelity rules

REPRO.md template

Exit criteria

Files

Compare with similar skills

Similar skills

More from AHepi/DeepReason

Related

Questions about Dr Reproduce