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griffinhillygriffinhilly/claude-code-synthesis/skills/verify/SKILL.md

verify

Skill67 starsChanged 4 months agoMITView on GitHub

Verify outputs after pipeline steps, implementations, or any multi-step work. Catches missing data, stale references, broken assumptions. Use after completing significant work, before declaring done.

188 other projects use a version of this.

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Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
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The file

We split this skill into the rules it gives an agent

10 rules. 0 are common, 8 are distinctive, and 2 are very specific to this project.

  • 0

    Common

    Most of the 167 edited versions we read keep these.

  • 8

    Distinctive

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Run after any significant output to catch what was missed.

    line 11
  2. Distinctive:

    If no arguments, verify the most recent significant output or pipeline step.

    line 17
  3. Very specific:

    Read the relevant files and run checks appropriate to the type.

    line 34
  4. Distinctive:

    If everything passes, say so concisely.

    line 55
  5. Very specific:

    If Step 3 reports FAILED items, do not jump to fixing.

    line 59
  6. Distinctive:

    If you catch yourself or a subagent using any of these phrases, STOP and re-verify:

    line 62
  7. Distinctive:

    If a verification failure has been "fixed" 3 times and still fails, STOP.

    line 68
  8. Distinctive:

    Don't just verify what was done.

    line 72
  9. Distinctive:

    When verifying data pipelines, always check the enrichment chain: raw → enriched → categorized → indexed.

    line 73
  10. Distinctive:

    After writing to MEMORY.md or project docs, verify the information is actually findable by future agent sessions (discoverability check).

    line 75

“Common” is measured: kept by at least 6 in 10 of the 167 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Verify

Run after any significant output to catch what was missed. The goal is to prevent the class of error where work appears complete but isn't — unfetched data, stale counts, broken assumptions, missing files.

Input

Target to verify: $ARGUMENTS

If no arguments, verify the most recent significant output or pipeline step.

Process

Step 1: Identify What to Verify

Determine the verification type from context:

TypeTriggerWhat to Check
Data pipelineAfter running a pipeline (refresh, ETL, etc.)Row counts, coverage rates, missing fields, stale references
ImplementationAfter implementing from a planAll plan items addressed, tests pass, no regressions
AnalysisAfter producing analysis/reportsClaims supported by data, no unfetched sources, numbers consistent
File outputAfter generating filesFiles exist, non-empty, correct format, no orphan references

Step 2: Run Checks

Read the relevant files and run checks appropriate to the type. See ~/.claude/skills/verify/check-types.md for the four composable check categories (data, completeness, consistency, assumption). A single verification usually draws from multiple categories — e.g., a data pipeline verification runs data + completeness + consistency.

Step 3: Report

Format findings as:

VERIFICATION — [target]

PASSED:
- [check]: [result]

FAILED:
- [check]: [what's wrong] → [suggested fix]

WARNINGS:
- [check]: [not broken but suspicious]

COVERAGE: [X/Y checks passed]

If everything passes, say so concisely. Don't pad the report.

Step 4: When Verification Fails — Debug Protocol

If Step 3 reports FAILED items, do not jump to fixing. See ~/.claude/skills/verify/debug-protocol.md for the full 4-phase protocol.

Red Flag Language (from Superpowers)

If you catch yourself or a subagent using any of these phrases, STOP and re-verify:

  • "Done!", "should work", "probably fine", "seems to", "I believe this handles"
  • "Great!", "Perfect!" (sycophantic completion signals) These indicate a completion claim without fresh evidence. Run the actual checks.

Three-Fix Escalation Rule (from Superpowers)

If a verification failure has been "fixed" 3 times and still fails, STOP. Don't try a fourth fix. The architecture is probably wrong. Escalate to the user: "This has failed 3 fixes. The approach itself may need rethinking."

Gotchas

  • The most dangerous failures are silent ones — things that LOOK complete but aren't. Prioritize checking those.
  • Don't just verify what was done. Verify what SHOULD have been done but might have been skipped.
  • When verifying data pipelines, always check the enrichment chain: raw → enriched → categorized → indexed. A break at any stage propagates silently.
  • Stale counts in COMP files are the most common consistency failure after batch operations.
  • After writing to MEMORY.md or project docs, verify the information is actually findable by future agent sessions (discoverability check).

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