TDD
pietheinstrengholt/rssmonster
Test-driven development. An agent skill from pietheinstrengholt/rssmonster.
TDD workflow - write failing test first, implement code to pass, then refactor.
Install Test Driven Development
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-development --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/claude-code/test-driven-development .claude/skills/test-driven-development && rm -rf skills-srcUse ~/.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/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .claude/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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 install https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-developmentType 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.
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-development --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/claude-code/test-driven-development .agents/skills/test-driven-development && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .agents/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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.
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-development --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/claude-code/test-driven-development .cursor/skills/test-driven-development && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .cursor/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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 https://github.com/RedWoodOG/Hermes-Desktop.git --path skills/claude-code/test-driven-development--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-development --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/claude-code/test-driven-development .gemini/skills/test-driven-development && rm -rf skills-srcUse ~/.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/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .gemini/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-developmentInstalls 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).
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/claude-code/test-driven-development .github/skills/test-driven-development && rm -rf skills-srcUse ~/.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/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .github/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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.
$ npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install RedWoodOG/Hermes-Desktop test-driven-development --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RedWoodOG/Hermes-Desktop.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/claude-code/test-driven-development .opencode/skills/test-driven-development && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "test-driven-development" agent skill from https://github.com/RedWoodOG/Hermes-Desktop/tree/main/skills/claude-code/test-driven-development into .opencode/skills/test-driven-development/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-driven-development", 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
test-driven-development- GitHub stars
- 177
- Token cost
- ~1.2k tokens
- SKILL.md length
- 597 words
- Files
- 1
- Skills in repo
- 62
- Repo updated
- First seen
- Licence
- None found
At a glance
TDD workflow - write failing test first, implement code to pass, then refactor.
- Works in 6 steps: Understand the Requirement → Discover the Test Framework → RED - Write a Failing Test → …
- Tasks that involve Test-driven development
- SKILL.md covers The TDD Cycle, Workflow, Test Writing Guidelines and Example TDD Session, plus 1 more section
- Calls npm and python
What it does
Test Driven Development is an agent skill from RedWoodOG/Hermes-Desktop. TDD workflow - write failing test first, implement code to pass, then refactor.
Its SKILL.md is about 1.2k 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 Test-driven development.
When your agent uses it
- Tasks that involve Test-driven development
Example prompts
- “/test-driven-development”
Requirements
- Python 3
Workflow steps
6 steps, taken from the step headings in SKILL.md.
- Understand the Requirement
- Discover the Test Framework
- RED - Write a Failing Test
- GREEN - Write Minimum Code
- REFACTOR - Clean Up
- Repeat
What it can do on your machine
Read from SKILL.md and the folder at commit be46b39. 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
Shell commands in SKILL.md call:
npmpython
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.
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
Test Driven Development loads about 1.2k tokens when it runs. Until then it costs about 26 tokens; SKILL.md has 597 words of instructions outside code blocks.
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 597 words (~1,226 tokens).
“You are a developer practicing strict TDD (Test-Driven Development). You follow the Red-Green-Refactor cycle rigorously. No production code is written without a failing test first.”
- name
- test-driven-development
- tools
- bash, read_file, write_file, edit_file, glob, grep
Files
Just SKILL.md in skills/claude-code/test-driven-development of RedWoodOG/Hermes-Desktop.
Open the folder on GitHubat commit be46b39
Compare with similar skills
Test Driven Development 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Test Driven Development this skillRedWoodOG/Hermes-Desktop | 177 | — | ~1.2k | Automated safety check: Pass | None | |
| TDDpietheinstrengholt/rssmonster | 564 | 30 repos | ~906 | Automated safety check: Pass | MIT | |
| TDD WorkflowhellangleZ/burn-in-cceverywhere-ralph | 112 | 11 repos | ~2.4k | Automated safety check: Pass | None | |
| TDDsanity-io/sanity | 6.4k | 20 repos | ~1k | Automated safety check: Pass | MIT | |
| Test Driven Developmentfarm-fe/farm | 5.6k | 51 repos | ~2.5k | Automated safety check: Pass | MIT | |
| Tapd Story PipelineTencentBlueKing/bk-bcs | 840 | — | ~2.6k | Automated safety check: Pass | Custom licence |
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Tapd Story Pipeline
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单需求实现流水线——把一个 TAPD 需求从零推进到代码提交。自动串联技术澄清、 开发计划、任务拆分、TDD 实现、架构/安全校验、代码提交六个阶段。
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Categories
Questions about Test Driven Development
What does Test Driven Development do?
TDD workflow - write failing test first, implement code to pass, then refactor. Test Driven Development is an agent skill from RedWoodOG/Hermes-Desktop. TDD workflow - write failing test first, implement code to pass, then refactor.
When should I use Test Driven Development?
Test Driven Development fits situations like: tasks that involve Test-driven development.
How do I install Test Driven Development in Claude Code?
Run `npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a claude-code`. Or copy the skill folder (skills/claude-code/test-driven-development in RedWoodOG/Hermes-Desktop) into .claude/skills/test-driven-development in your project. Claude Code loads it when a task matches its description.
How do I install Test Driven Development in Codex?
Run `npx skills add RedWoodOG/Hermes-Desktop --skill test-driven-development -a codex`. Or copy the skill folder (skills/claude-code/test-driven-development in RedWoodOG/Hermes-Desktop) into .agents/skills/test-driven-development in your project. Codex loads it when a task matches its description.
Can I use Test Driven Development 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 RedWoodOG/Hermes-Desktop --skill test-driven-development -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/test-driven-development, .gemini/skills/test-driven-development, .github/skills/test-driven-development and .opencode/skills/test-driven-development in your project.
What does Test Driven Development need to run?
Going by SKILL.md and its folder, Test Driven Development needs the command-line tools its instructions call (npm and python). Our summary lists: Python 3.
Does Test Driven Development access the network?
SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Test Driven Development 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 Test Driven Development use?
No licence was found for Test Driven Development or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Test Driven Development use?
About 1.2k tokens (SKILL.md is roughly 4.9k 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 Test Driven Development?
Skills that share tags, products or a category with Test Driven Development: TDD (pietheinstrengholt/rssmonster, 564 stars), TDD Workflow (hellangleZ/burn-in-cceverywhere-ralph, 112 stars), TDD (sanity-io/sanity, 6.4k stars) and Test Driven Development (farm-fe/farm, 5.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Test Driven Development?
RedWoodOG (a GitHub user) maintains it in RedWoodOG/Hermes-Desktop, which has 177 GitHub stars. The repository holds 62 skills in this directory. The repository was last updated on May 30, 2026.
Source: RedWoodOG/Hermes-Desktop on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.