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Strangler Fig Migrator

Category: General  ·  Sub-category: orchestration-frameworks  ·  Last updated:
Plan the incremental replacement of a legacy module or service using the strangler-fig pattern — grow new code around the old behind an interception seam until the old is dead, instead of a big-bang rewrite. Use when a legacy system is too risky to rewrite at once, or when migrating off a deprecated framework/dependency gradually while staying shippable and rollback-able at every step.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Replace a legacy module or service the way a strangler fig kills its host tree — by growing new code around the old until the old carries no load and can be cut away. The skill's first and most important move is to find the interception seam: the single place where calls can be diverted to either the old or the new implementation. Everything else (slicing, parallel-running, decommissioning) hangs off that seam. Without it, "incremental migration" silently becomes a big-bang rewrite with extra ceremony.

What this skill does

Strangler Fig Migrator is a community-contributed Claude Code skill in the orchestration-frameworks sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/strangler-fig-migrator/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when a legacy system is too risky to rewrite at once, or when migrating off a deprecated framework/dependency gradually while staying shippable and rollback-able at every step.

Who uses this skill

The Strangler Fig Migrator Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 154,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/strangler-fig-migrator
curl -L https://claudskills.com/skills/strangler-fig-migrator/SKILL.md \
  -o ~/.claude/skills/strangler-fig-migrator/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/strangler-fig-migrator/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/strangler-fig-migrator/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\strangler-fig-migrator\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Strangler Fig Migrator Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/strangler-fig-migrator/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Strangler Fig Migrator skill do?
Plan the incremental replacement of a legacy module or service using the strangler-fig pattern — grow new code around the old behind an interception seam until the old is dead, instead of a big-bang rewrite. Use when a legacy system is too risky to rewrite at once, or when migrating off a deprecated framework/dependency gradually while staying shippable and rollback-able at every step.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Strangler Fig Migrator skill?
Use Strangler Fig Migrator when your Claude Code task falls under the General category — specifically in the orchestration frameworks area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Strangler Fig Migrator" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Strangler Fig Migrator skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Strangler Fig Migrator is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
imtiazrayhan. (2026). Strangler Fig Migrator [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/strangler-fig-migrator/
BibTeX
@misc{strangler-fig-migrator-2026,
  author    = {imtiazrayhan},
  title     = {Strangler Fig Migrator [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/strangler-fig-migrator/}
}

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Security scan

Grade A · scanned 2026-07-19 — free static scan against the OWASP Agentic Skills Top 10.

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