Analyze Elixir/Phoenix technical debt — duplicates, refactoring; Use when asked about code quality, cleanup, or what…
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See how to installReview the instructions the agent will receive before you install.
Find and eliminate duplicate code patterns, anti-patterns, and refactoring opportunities in Elixir/Phoenix projects.
Run mix credo --strict.
Focus on:
Use Grep to search for repeated Repo calls (Repo.get!, Repo.get, Repo.one) in lib/**/*.ex.
Use Grep to find duplicate query patterns (from.*in.*where) in lib/**/*.ex.
Use Grep with output_mode: "count" to count def changeset occurrences in lib/**/*.ex.
Use Grep to find repeated validations (validate_required, validate_format) in lib/**/*.ex.
Use Grep to find similar action patterns (def create, def update, def delete) in lib/*_web/**/*.ex.
| Pattern | Symptom | Solution |
|---|---|---|
| Repeated queries | Same Repo.get in multiple contexts | Create shared query module |
| Duplicate validations | Same validate_* calls | Extract to shared changeset |
| Similar controllers | Copy-pasted CRUD actions | Use Phoenix generators consistently |
| Repeated transforms | Same Enum.map patterns | Extract to domain module |
For each duplication found, report:
Run $elixir-phoenix:phx-techdebt to analyze the codebase and generate a prioritized report of technical debt with specific remediation steps.
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Analyze a legacy app in any language before rewriting it in Elixir: inventory, features as goals, why each mechanism exists, runtime topology, external contracts. Use to start or refresh a rewrite.
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Design the idiomatic Elixir architecture for a rewrite: set the compatibility bar (ADR-000), consult phx specialists on open questions, then build contexts, ledger and ADRs. Use after /rewrite:analyze.
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Ash Framework — resources, actions, policies, aggregates; Use when generating resources via mix ash.codegen, editing…
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Ash Framework — resources, actions, policies, aggregates, calculations, AshPhoenix.Form, LiveView, migrations. Use when generating resources via mix ash.codegen, editing changes, checks, types, validations, or domain code interfaces.
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Compatibility alias for the Elixir/Phoenix plugin's LiveView assigns audit. Invoke explicitly with /lv:assigns.
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Inspect LiveView socket assigns for memory bloat — missing temporary_assigns, unused assigns, unbounded lists needing streams, memory estimates. Use when LiveView memory grows or you need to add temporary_assigns.
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