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BF migration-engineering

Plan and execute safe cross-system migrations, including service extraction from monoliths. Use when moving data, schemas, interfaces, infrastructure, or service ownership through compatibility windows, dual-running, reconciliation, cutover, recovery, or deprecation. Do not use for deciding whether decomposition is justified, designing a target architecture, or implementing one named technology; route those to the relevant architecture or specialist skill.

magnus919/agent-skills Agent Skills author: magnus919 MIT 14 files body ≈ 2 858 tokens Open the sourcegithub.com↗ analyzed 27 h ago

Plan and execute safe cross-system migrations, including service extraction from monoliths.

As a process F 47/100 · Will not run — References files that are not bundled: ../data-engineering/SKILL.md, ../api-design-and-evolution/SKILL.md, ../software-architecture/SKILL.md

IntegrationPostgreSQLFinanceInfrastructuretype and topics are labelled automatically from the skill text
Runs in: Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) OpenClaw Goose OpenCode
JSON
Technical rating
B
91/100
safety, quality, tests
Safety 60%
100
Quality 40%
77
Run on models
none yet
Process rating
F
47/100
Will not run
References files that are not bundled: ../data-engineering/SKILL.md, ../api-design-and-evolution/SKILL.md, ../software-architecture/SKILL.md
Tools and files w 18
0
Inputs and preconditions w 11
0
Running it twice w 4
30
the three weakest of ten parameters · all ten

How to improve

  1. The text references files that are not there: add them or drop the references.
For the model run — optional
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 0

✓ No critical or high findings

Files scanned: 13. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning missing-ref reference to a missing file: ../data-engineering/SKILL.md
  • warning missing-ref reference to a missing file: ../api-design-and-evolution/SKILL.md
  • warning missing-ref reference to a missing file: ../software-architecture/SKILL.md
  • warning missing-ref reference to a missing file: ../platform-engineering/SKILL.md
  • warning missing-ref reference to a missing file: ../release-engineering/SKILL.md
  • warning missing-ref reference to a missing file: ../site-reliability-engineering/SKILL.md
  • warning missing-ref reference to a missing file: ../implementation-planning/SKILL.md
  • warning missing-ref reference to a missing file: ../secure-software-engineering/SKILL.md
  • warning missing-ref reference to a missing file: ../qa-methodology/SKILL.md
  • warning missing-ref reference to a missing file: ../verification-methodology/SKILL.md
  • note edit-residue the text marks something as outdated (lines 24): check that old rules are not kept next to new ones — the full check reads the text for contradictions

Process rating: all ten parameters 47/100

Will not run. References files that are not bundled: ../data-engineering/SKILL.md, ../api-design-and-evolution/SKILL.md, ../software-architecture/SKILL.md
  • 0Tools and files. 10 referenced file(s) missing: ../data-engineering/SKILL.md, ../api-design-and-evolution/SKILL.md, ../software-architecture/SKILL.md
  • 0Inputs and preconditions. Does not say what the process needs to start
  • 30Running it twice. 2 mutating operations with no state check
  • 40Result and completion. Does not say what the result is
  • 50When it triggers. No condition that starts the skill
  • 50Failures and branches. 0 branches, has a failure section
  • 85Steps. 8 steps, 1 vague phrases
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 2858 tokens
  • 100Progress reporting. Reports progress
  • low No test case covers injection arriving through data

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +3Output format is not stated: the model decides each time
  • +4No input/output examples
  • +2Single-language instructions
  • +4Description says when NOT to use the skill
  • +3Description length 460: enough signal without eating the budget
  • +4Structure: 15 headings
  • +3Step-by-step instructions: 8 items
  • +4Reference files are cited in the instructions (6 of 6)
  • +1License stated

Quality base 70; lint remarks subtract, signals add up to 100. Result: 77.