Executes an automated merge, test, and release pipeline for feature branches.
Install
mkdir -p .claude/skills/ship-lmanchu && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/12274" && unzip -o skill.zip -d .claude/skills/ship-lmanchu && rm skill.zipInstalls to .claude/skills/ship-lmanchu
Activation
This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.
Ship workflow: merge main, run tests, review diff, bump VERSION, update CHANGELOG, commit, push, create PR.Key capabilities
- →Merge origin/main into the feature branch
- →Run both Rails and Vitest test suites
- →Perform a pre-landing review based on a checklist
- →Bump the version number (MICRO/PATCH automatically, MINOR/MAJOR with user input)
- →Update CHANGELOG.md and README.md
How it works
The skill executes a sequence of git operations, test runs, and documentation updates. It merges `origin/main`, runs tests, performs a pre-landing review, updates version and changelog, commits changes, pushes to remote, and creates a pull request.
Inputs & outputs
When to use ship
- →Ship project release
- →Automate PR creation and changelog
- →Merge feature branch to main
About this skill
Ship: Fully Automated Ship Workflow
You are running the /ship workflow. This is a non-interactive, fully automated workflow. Do NOT ask for confirmation at any step. The user said /ship which means DO IT. Run straight through and output the PR URL at the end.
Only stop for:
- On
mainbranch (abort) - Merge conflicts that can't be auto-resolved (stop, show conflicts)
- Test failures (stop, show failures)
- Pre-landing review finds CRITICAL issues and user chooses to fix (not acknowledge or skip)
- MINOR or MAJOR version bump needed (ask — see Step 4)
Never stop for:
- Uncommitted changes (always include them)
- Version bump choice (auto-pick MICRO or PATCH — see Step 4)
- CHANGELOG content (auto-generate from diff)
- Commit message approval (auto-commit)
- Multi-file changesets (auto-split into bisectable commits)
Step 1: Pre-flight
-
Check the current branch. If on
main, abort: "You're on main. Ship from a feature branch." -
Run
git status(never use-uall). Uncommitted changes are always included — no need to ask. -
Run
git diff main...HEAD --statandgit log main..HEAD --onelineto understand what's being shipped.
Step 2: Merge origin/main (BEFORE tests)
Fetch and merge origin/main into the feature branch so tests run against the merged state:
git fetch origin main && git merge origin/main --no-edit
If there are merge conflicts: Try to auto-resolve if they are simple (VERSION, schema.rb, CHANGELOG ordering). If conflicts are complex or ambiguous, STOP and show them.
If already up to date: Continue silently.
Step 3: Run tests (on merged code)
Do NOT run RAILS_ENV=test bin/rails db:migrate — bin/test-lane already calls
db:test:prepare internally, which loads the schema into the correct lane database.
Running bare test migrations without INSTANCE hits an orphan DB and corrupts structure.sql.
Run both test suites in parallel:
bin/test-lane 2>&1 | tee /tmp/ship_tests.txt &
npm run test 2>&1 | tee /tmp/ship_vitest.txt &
wait
After both complete, read the output files and check pass/fail.
If any test fails: Show the failures and STOP. Do not proceed.
If all pass: Continue silently — just note the counts briefly.
Step 3.25: Eval Suites (conditional)
Evals are mandatory when prompt-related files change. Skip this step entirely if no prompt files are in the diff.
1. Check if the diff touches prompt-related files:
git diff origin/main --name-only
Match against these patterns (from CLAUDE.md):
app/services/*_prompt_builder.rbapp/services/*_generation_service.rb,*_writer_service.rb,*_designer_service.rbapp/services/*_evaluator.rb,*_scorer.rb,*_classifier_service.rb,*_analyzer.rbapp/services/concerns/*voice*.rb,*writing*.rb,*prompt*.rb,*token*.rbapp/services/chat_tools/*.rb,app/services/x_thread_tools/*.rbconfig/system_prompts/*.txttest/evals/**/*(eval infrastructure changes affect all suites)
If no matches: Print "No prompt-related files changed — skipping evals." and continue to Step 3.5.
2. Identify affected eval suites:
Each eval runner (test/evals/*_eval_runner.rb) declares PROMPT_SOURCE_FILES listing which source files affect it. Grep these to find which suites match the changed files:
grep -l "changed_file_basename" test/evals/*_eval_runner.rb
Map runner → test file: post_generation_eval_runner.rb → post_generation_eval_test.rb.
Special cases:
- Changes to
test/evals/judges/*.rb,test/evals/support/*.rb, ortest/evals/fixtures/affect ALL suites that use those judges/support files. Check imports in the eval test files to determine which. - Changes to
config/system_prompts/*.txt— grep eval runners for the prompt filename to find affected suites. - If unsure which suites are affected, run ALL suites that could plausibly be impacted. Over-testing is better than missing a regression.
3. Run affected suites at EVAL_JUDGE_TIER=full:
/ship is a pre-merge gate, so always use full tier (Sonnet structural + Opus persona judges).
EVAL_JUDGE_TIER=full EVAL_VERBOSE=1 bin/test-lane --eval test/evals/<suite>_eval_test.rb 2>&1 | tee /tmp/ship_evals.txt
If multiple suites need to run, run them sequentially (each needs a test lane). If the first suite fails, stop immediately — don't burn API cost on remaining suites.
4. Check results:
- If any eval fails: Show the failures, the cost dashboard, and STOP. Do not proceed.
- If all pass: Note pass counts and cost. Continue to Step 3.5.
5. Save eval output — include eval results and cost dashboard in the PR body (Step 8).
Tier reference (for context — /ship always uses full):
| Tier | When | Speed (cached) | Cost |
|---|---|---|---|
fast (Haiku) | Dev iteration, smoke tests | ~5s (14x faster) | ~$0.07/run |
standard (Sonnet) | Default dev, bin/test-lane --eval | ~17s (4x faster) | ~$0.37/run |
full (Opus persona) | /ship and pre-merge | ~72s (baseline) | ~$1.27/run |
Step 3.5: Pre-Landing Review
Review the diff for structural issues that tests don't catch.
-
Read
.claude/skills/review/checklist.md. If the file cannot be read, STOP and report the error. -
Run
git diff origin/mainto get the full diff (scoped to feature changes against the freshly-fetched remote main). -
Apply the review checklist in two passes:
- Pass 1 (CRITICAL): SQL & Data Safety, LLM Output Trust Boundary
- Pass 2 (INFORMATIONAL): All remaining categories
-
Always output ALL findings — both critical and informational. The user must see every issue found.
-
Output a summary header:
Pre-Landing Review: N issues (X critical, Y informational) -
If CRITICAL issues found: For EACH critical issue, use a separate AskUserQuestion with:
- The problem (
file:line+ description) - Your recommended fix
- Options: A) Fix it now (recommend), B) Acknowledge and ship anyway, C) It's a false positive — skip
After resolving all critical issues: if the user chose A (fix) on any issue, apply the recommended fixes, then commit only the fixed files by name (
git add <fixed-files> && git commit -m "fix: apply pre-landing review fixes"), then STOP and tell the user to run/shipagain to re-test with the fixes applied. If the user chose only B (acknowledge) or C (false positive) on all issues, continue with Step 4.
- The problem (
-
If only non-critical issues found: Output them and continue. They will be included in the PR body at Step 8.
-
If no issues found: Output
Pre-Landing Review: No issues found.and continue.
Save the review output — it goes into the PR body in Step 8.
Step 4: Version bump (auto-decide)
-
Read the current
VERSIONfile (4-digit format:MAJOR.MINOR.PATCH.MICRO) -
Auto-decide the bump level based on the diff:
- Count lines changed (
git diff origin/main...HEAD --stat | tail -1) - MICRO (4th digit): < 50 lines changed, trivial tweaks, typos, config
- PATCH (3rd digit): 50+ lines changed, bug fixes, small-medium features
- MINOR (2nd digit): ASK the user — only for major features or significant architectural changes
- MAJOR (1st digit): ASK the user — only for milestones or breaking changes
- Count lines changed (
-
Compute the new version:
- Bumping a digit resets all digits to its right to 0
- Example:
0.19.1.0+ PATCH →0.19.2.0
-
Write the new version to the
VERSIONfile.
Step 5: CHANGELOG (auto-generate)
-
Read
CHANGELOG.mdheader to know the format. -
Auto-generate the entry from ALL commits on the branch (not just recent ones):
- Use
git log main..HEAD --onelineto see every commit being shipped - Use
git diff main...HEADto see the full diff against main - The CHANGELOG entry must be comprehensive of ALL changes going into the PR
- If existing CHANGELOG entries on the branch already cover some commits, replace them with one unified entry for the new version
- Categorize changes into applicable sections:
### Added— new features### Changed— changes to existing functionality### Fixed— bug fixes### Removed— removed features
- Write concise, descriptive bullet points
- Insert after the file header (line 5), dated today
- Format:
## [X.Y.Z.W] - YYYY-MM-DD
- Use
Do NOT ask the user to describe changes. Infer from the diff and commit history.
Step 6: Commit (bisectable chunks)
Goal: Create small, logical commits that work well with git bisect and help LLMs understand what changed.
-
Analyze the diff and group changes into logical commits. Each commit should represent one coherent change — not one file, but one logical unit.
-
Commit ordering (earlier commits first):
- Infrastructure: migrations, config changes, route additions
- Models & services: new models, services, concerns (with their tests)
- Controllers & views: controllers, views, JS/React components (with their tests)
- VERSION + CHANGELOG: always in the final commit
-
Rules for splitting:
- A model and its test file go in the same commit
- A service and its test file go in the same commit
- A controller, its views, and its test go in the same commit
- Migrations are their own commit (or grouped with the model they support)
- Config/route changes can group with the feature they enable
- If the total diff is small (< 50 lines across < 4 files), a single commit is fine
-
Each commit must be independently valid — no broken imports, no references to code that doesn't exist yet. Order commits so dependencies come first.
-
Compose each commit message:
- First line:
<type>: <summary>(type = feat/fix/chore/refactor/docs) - Body: brief description of what this commit contains
- Only the **final
- First line:
Content truncated.
When not to use it
- →When on the `main` branch, as it requires shipping from a feature branch
- →When merge conflicts are complex and cannot be auto-resolved
- →When test failures occur, as the process stops immediately
Limitations
- →The workflow is non-interactive and does not ask for confirmation at most steps.
- →It stops immediately on merge conflicts or test failures.
- →It requires specific file patterns for prompt-related files to trigger evals.
How it compares
This skill provides a fully automated, non-interactive workflow for shipping changes, handling merges, tests, versioning, and PR creation, which is more efficient than performing these steps manually.
Compared to similar skills
ship side by side with the closest alternatives in the catalog.
| Skill | Installs | Updated | Safety | Difficulty |
|---|---|---|---|---|
| ship (this skill) | 0 | 5mo | Review | Advanced |
| agent-workflow-automation | 4 | 6mo | Review | Advanced |
| project-os | 1 | 6mo | Review | Intermediate |
| project-tooling | 1 | 4mo | Caution | Beginner |
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