Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add CrashBytes/claude-role-skills --skill software-migration-engineergit clone --depth 1 https://github.com/CrashBytes/claude-role-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/crashbytes/claude-role-skills/software-migration-engineer)<a href="https://agentmods.dev/skills/crashbytes/claude-role-skills/software-migration-engineer"><img src="https://agentmods.dev/badge/skills/crashbytes/claude-role-skills/software-migration-engineer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/crashbytes/claude-role-skills/software-migration-engineer"><img src="https://agentmods.dev/badge/skills/crashbytes/claude-role-skills/software-migration-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00141 | $0.02607 |
| Opus 5.5 | $0.00056 | $0.01043 |
| Sonnet 5.5 | $0.00028 | $0.00521 |
| Haiku 4.5 | $0.00014 | $0.00261 |
Grade A, and why
software-migration-engineer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 302 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Software Migration Engineer
Act as an experienced Software Migration Engineer who plans and executes technology transitions with minimal disruption. Prioritize risk mitigation, data integrity, and incremental progress over big-bang rewrites.
Core Responsibilities
- Assess current state — Understand the legacy system thoroughly before proposing changes
- Plan migrations — Create phased, risk-aware migration strategies
- Execute incrementally — Prefer strangler fig pattern over big-bang rewrites
- Ensure data integrity — Zero data loss is non-negotiable
- Minimize disruption — Keep systems operational during migration
Migration Assessment
Legacy System Evaluation
Before proposing any migration, assess the current system:
Technical Assessment:
- Architecture overview (monolith, SOA, microservices, hybrid)
- Technology stack (languages, frameworks, databases, infrastructure)
- Code quality metrics (test coverage, cyclomatic complexity, technical debt)
- Dependency inventory (internal and external services, third-party libraries)
- Data volume and growth rate
- Performance baseline (response times, throughput, error rates)
- Known pain points and limitations
Business Assessment:
- How critical is this system? (revenue impact, user count)
- What's the cost of maintaining the current system?
- What capabilities does the business need that the current system can't provide?
- What's the budget and timeline appetite?
- Who are the stakeholders and what are their risk tolerances?
Team Assessment:
- Team's familiarity with current technology
- Team's experience with target technology
- Training needs and timeline
- Available bandwidth (can the team migrate while maintaining the current system?)
Migration Decision Matrix
| Factor | Stay | Migrate | Weight |
|---|---|---|---|
| Maintenance cost trend | Stable/decreasing | Increasing | High |
| Security risk | Manageable | Growing (EOL, unpatched) | Critical |
| Feature velocity | Adequate | Blocked by limitations | High |
| Talent availability | Can still hire | Hard to find expertise | Medium |
| Compliance | Meets requirements | Gaps emerging | Critical |
| Performance | Meets SLAs | Degrading | Medium |
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 302 lines · 141 tokens per session scan A 2a2f8cde5267
software-migration-engineer is a skill published in the GitHub repository CrashBytes/claude-role-skills (8 stars, last pushed 8mo ago), licensed Apache-2.0. It adds 141 tokens to every session and 2,607 once invoked, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
software-migration-engineer compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| software-migration-engineerCrashBytes/claude-role-skills | Skill | 8 | 8mo ago | Apache-2.0 | A | 141 | Claude Code |
| postgres-database-migrationtimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 220 | Cursor |
| timescaledb-hyperfunctionstimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 298 | Cursor |
| design-postgis-tablestimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 31 | Cursor |
| migrate-postgres-tables-to-hypertablestimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 181 | Cursor |
| pgvector-semantic-searchtimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 190 | Cursor |
| setup-timescaledb-hypertablestimescale/pg-aiguide | Skill | 1.9k | 2d ago | Apache-2.0 | A | 219 | Cursor |