Plan and execute code injections with feature toggles and fallbacks.
npx skills add https://github.com/Jonely235/claude-skills --skill surgical-injector
Please help me install this Agent Skill. Skill: surgical-injector Source: https://github.com/Jonely235/claude-skills/tree/main/surgical-injector Command: npx skills add https://github.com/Jonely235/claude-skills --skill surgical-injector
Surgical-injector provides a safe pattern to introduce new code into legacy systems without downtime by isolating the new logic behind a feature toggle and providing a guarded path that falls back to the existing behavior.
Enable the surgical pattern by wrapping the target function with a toggle and a guarded path to old behavior.
High-intent search queries and answers about installing and using this skill.
To safely refactor legacy code without downtime, you isolate new logic behind a feature toggle and use a guarded execution path that automatically falls back to the old behavior if a failure occurs.
A surgical injection pattern introduces new code into legacy systems by isolating the new logic behind a feature toggle, wrapping it in guard logic, and providing a fallback to the old behavior.
Yes, you can use feature toggles for gradual rollouts in a legacy application by enabling or disabling the new logic without touching the old code, supported by monitoring hooks and rollback guidance.
The best way to add error handling to a critical path refactor is applying a structured surgery pattern with try-catch guards that preserve the original behavior on failure.
You should avoid surgical injection when you cannot isolate the new code path or when your legacy system lacks the monitoring hooks required to safely guard the execution and trigger fallback behavior.
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