implement-scenario
Implement one planned scenario until its system test passes, then mark it implemented.
Skill by sesigl
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
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About
Use cases: testing
Reviews
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Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
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Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/implement-scenario
What's inside
- Skill name
implement-scenario- Description
- Implement one planned scenario until its system test passes, then mark it implemented. Use when a scenario and its failing system test exist.
- License
- Apache-2.0
- Instructions
- 25 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Implement a scenario ## Steps 1. Confirm the scenario is `@status=planned` and its system test fails for the right reason. 2. Read the module's `AGENTS.md` and `README.md`. Read only the source files you need. 3. Implement the smallest change that makes the test pass. Keep ports and adapters separate: domain logic must not import an adapter. 4. Run the one test: `make test-scenario ID=SCN-PROOF-004`. Repeat until it passes. 5. Set `@status=implemented` on the scenario. 6. Run `make check`. Fix every failure in this module. Never weaken a check to make it pass; fix the cause. 7. Update the docs: `skills/keep-docs-evergreen`. 8. Run `make verify` and put the summary into the pull request. ## Rules - One scenario per pull request when possible; at most one module per pull request. - Do not add behavior that no scenario asks for. If you need it, stop and write a `planned` scenario first. - Do not add a unit test unless the module's `AGENTS.md` allows it for this code. - If the test can only pass by changing the scenario, replace the scenario (`skills/write-scenario`) and say why in the pull request. - If a check fails outside the module you changed, stop and report it. Do not fix it in the same pull request. - Retro at the end: write what did not work the first time into the pull request under "Friction".
From sesigl/open-software-factory, Apache-2.0.
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write-system-test
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Write the one system test that proves a Gherkin scenario from outside the module.
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write-scenario
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Write or change a Gherkin scenario for a module.
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keep-docs-evergreen
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Update documentation in the same change as the code.
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write-adr
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Signals
- Stars
- 0
- Forks
- 0
- Open issues
- 2
- Last commit (this folder)
- Oct 19, 2026 (10 days ago)
- Last release
- Oct 24, 2026 (5 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- Apache-2.0
- Repository
- github.com/sesigl/open-software-factory
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
More from sesigl
- 0.565score
fix-mutation-and-duplication
sesigl
Fix a MUTATION or DUP finding without unit tests or mocks.
SkillAFreshness: AClaude Code +9 - 0.564score
new-module
sesigl
Create a new module or adapter from the template.
SkillAFreshness: AClaude Code +9 - 0.561score
write-system-test
sesigl
Write the one system test that proves a Gherkin scenario from outside the module.
SkillAFreshness: AClaude Code +9 - 0.561score
write-scenario
sesigl
Write or change a Gherkin scenario for a module.
SkillAFreshness: AClaude Code +9 - 0.558score
keep-docs-evergreen
sesigl
Update documentation in the same change as the code.
SkillAFreshness: AClaude Code +9 - 0.556score
write-adr
sesigl
Record a durable decision, including every new module, dependency, service or contract change.
SkillAFreshness: AClaude Code +9
Cite this page
implement-scenario skill. Agent Mart. https://agentmart.dev/skills/sesigl-implement-scenario (last updated 2026-10-24)