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elberacasa/umbra

by Various

The trust score for AI-generated code. One command verifies what your coding agent shipped: security findings with file:line evidence, Docker-sandboxed build/boot checks, and claim

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MCP

elberacasa/umbra

Added 16 Sept 2026

#ai#claude-code#cli#code-quality#copilot#cursor#devtools#llm
Catalogue record, not a reviewed recommendation. This record can include automatically collected descriptions and setup details. Confirm important claims with the original source. Explore source-reviewed tools.

Overview

Command-line tool that verifies AI-generated code. It runs security checks with file:line evidence, performs Docker-sandboxed build and boot tests, and generates claim receipts to detect when agents falsely report passing tests.

Best for

Best for
Teams shipping AI-generated code who want independent verification

Use cases

  • Verify security of AI-generated commits
  • Check build and boot in a Docker sandbox
  • Audit whether coding agent test claims are truthful

How to use

Install

npx umbra-scan            # check — scans the directory you're standing in

Clients listed in this record (not verified here)

Claude Code, Cursor, Windsurf

Notes

0 stars on GitHub. Last updated 2026-08-05. Licensed MIT.

Pros

  • Concrete file:line security findings
  • Sandboxed verification isolates risks
  • Catches false test claims

Cons

  • Requires Docker for build/boot checks
  • No stars or community adoption yet
  • Focused on verification, not fixing issues
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