vibeeval/idempotent-redundancy
skills/idempotent-redundancy/SKILL.md
Idempotent Redundancy
$ install --global
skillsauthnpx skillsauth add vibeeval/vibecosystem idempotent-redundancyInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 16, 2026, 1:49 AM4.8s1 file scanned
SKILL.md
- name:
- idempotent-redundancy
- description:
- Idempotent Redundancy
- user-invocable:
- false
Idempotent Redundancy
When adding redundant paths (fallbacks, belt-and-suspenders), make them idempotent.
Pattern
Redundancy without idempotency causes loops, churn, or data corruption.
DO
- Use
_is_merge: truefor Braintrust updates - Check if value exists before writing (fallback only if missing)
- Use atomic write/rename for file operations
- Make reconciliation steps safe to run repeatedly
DON'T
- Write unconditionally in fallback paths
- Allow multiple writers to overwrite each other
- Fire "repair" actions that can trigger more repairs
Source Sessions
- a541f08a: "Redundancy is good only if idempotent"
- 1c21e6c8: "Belt-and-suspenders, but make it idempotent"
- 6a9f2d7a: "Idempotent repair hooks"
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