Verification before completion
Skill karim-bhalwani/agent-skills-collection/skills/verification-before-completion
Use when about to claim work is complete, fixed, or passing—requires running verification commands and confirming output before making any success claims.From its SKILL.md
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SKILL.md
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Verification Before Completion
Overview
Claiming work is complete without verification is dishonesty, not efficiency.
Core principle: Evidence before claims, always.
Violating the letter of this rule is violating the spirit of this rule.
The Iron Law
NO COMPLETION CLAIMS WITHOUT FRESH VERIFICATION EVIDENCE
If you haven't run the verification command in this message, you cannot claim it passes.
The Gate Function
BEFORE claiming any status or expressing satisfaction:
1. IDENTIFY: What command proves this claim?
2. RUN: Execute the FULL command (fresh, complete)
3. READ: Full output, check exit code, count failures
4. VERIFY: Does output confirm the claim?
- If NO: State actual status with evidence
- If YES: State claim WITH evidence
5. ONLY THEN: Make the claim
Skip any step = lying, not verifying
Common Failures
| Claim | Requires | Not Sufficient |
|---|---|---|
| Tests pass | Test command output: 0 failures | Previous run, "should pass" |
| Linter clean | Linter output: 0 errors | Partial check, extrapolation |
| Build succeeds | Build command: exit 0 | Linter passing, logs look good |
| Bug fixed | Test original symptom: passes | Code changed, assumed fixed |
| Regression test works | Red-green cycle verified | Test passes once |
| Agent completed | VCS diff shows changes | Agent reports "success" |
| Requirements met | Line-by-line checklist | Tests passing |
Red Flags - STOP
- Using "should", "probably", "seems to"
- Expressing satisfaction before verification ("Great!", "Perfect!", "Done!", etc.)
- About to commit/push/PR without verification
- Trusting agent success reports
- Relying on partial verification
- Thinking "just this once"
- Tired and wanting work over
- ANY wording implying success without having run verification
Rationalization Prevention
| Excuse | Reality |
|---|---|
| "Should work now" | RUN the verification |
| "I'm confident" | Confidence ≠ evidence |
| "Just this once" | No exceptions |
| "Linter passed" | Linter ≠ compiler |
| "Agent said success" | Verify independently |
| "I'm tired" | Exhaustion ≠ excuse |
| "Partial check is enough" | Partial proves nothing |
| "Different words so rule doesn't apply" | Spirit over letter |
Key Patterns
Tests:
✅ [Run test command] [See: 34/34 pass] "All tests pass"
❌ "Should pass now" / "Looks correct"
Regression tests (TDD Red-Green):
✅ Write → Run (pass) → Revert fix → Run (MUST FAIL) → Restore → Run (pass)
❌ "I've written a regression test" (without red-green verification)
Build:
✅ [Run build] [See: exit 0] "Build passes"
❌ "Linter passed" (linter doesn't check compilation)
Requirements:
✅ Re-read plan → Create checklist → Verify each → Report gaps or completion
❌ "Tests pass, phase complete"
Agent delegation:
✅ Agent reports success → Check VCS diff → Verify changes → Report actual state
❌ Trust agent report
Why This Matters
From 24 failure memories:
- your human partner said "I don't believe you" - trust broken
- Undefined functions shipped - would crash
- Missing requirements shipped - incomplete features
- Time wasted on false completion → redirect → rework
- Violates: "Honesty is a core value. If you lie, you'll be replaced."
When To Apply
ALWAYS before:
- ANY variation of success/completion claims
- ANY expression of satisfaction
- ANY positive statement about work state
- Committing, PR creation, task completion
- Moving to next task
- Delegating to agents
Rule applies to:
- Exact phrases
- Paraphrases and synonyms
- Implications of success
- ANY communication suggesting completion/correctness
The Bottom Line
No shortcuts for verification.
Run the command. Read the output. THEN claim the result.
This is non-negotiable.
Outputs & Deliverables
- Primary Output: Verification evidence (command outputs, test logs, CI run links)
- Secondary Output: Checklist of verification commands and required acceptance criteria
- Success Criteria: Evidence confirms the claimed status (exit codes, zero failures)
- Quality Gate: Attach verification artifacts to PRs or closure reports when claiming completion
Common Pitfalls
- Premature Satisfaction: Saying "done" before running verification. Always execute the full verification command.
- Partial Evidence: "Most tests pass" is not passing. 100% success rate or state the actual failure count.
- Ignoring Exit Codes: Assuming "looks good" means success. Check exit codes;
0= success, non-zero = failure. - Stale Verification: Running verification once per project is not enough. Re-verify when claiming completion each time.
- Mixing Concerns: Testing one thing but claiming another passes. Verify exactly what you're claiming.
- Trusting Reports: Agent says "success" but you didn't verify. Always run the check yourself independently.
Integration Points
| Phase | Input From | Output To | Context |
|---|---|---|---|
| Completion Claim | Any agent finishing work | Verification gate | Require fresh evidence before accepting completion |
| Testing | Implementation complete | Evidence collection | Run full test suite, capture output, check exit codes |
| PR/Merge | Code ready for review | Artifact attachment | Include verification evidence in PR comments or closure |
| Requirements Check | Feature specification | Line-by-line validation | Verify each requirement is met with evidence |
Constraints
- Technical Constraints: Verification requires running the canonical commands in the project environment; do not rely on stale outputs
- Governance Constraints: Claims without attached verification are invalid for closure
What ships with it: 1 file
125 B alongside SKILL.md
references/
- checklist.md125 B