Curated library of 38 atomic skills, 7 personas, and 1 orchestrator for Elixir and Phoenix development. Organized by category: fundamentals, phoenix, database, testing, auth, infrastructure, quality, security, integrations, tooling, frameworks, personas, and orchestration. Covers core Elixir patterns, Phoenix LiveView, Ecto, OTP, Oban, testing, security, deployment, real-time, and modern tooling (Req, Swoosh, Cachex, Broadway, Ash).
91
91%
Does it follow best practices?
Impact
91%
1.37xAverage score across 56 eval scenarios
Advisory
Suggest reviewing before use
{
"context": "Checks whether the final artifact follows the ecto-essentials instructions from the published Elixir Phoenix Skills plugin.",
"type": "weighted_checklist",
"checklist": [
{
"name": "instruction-1",
"description": "The submitted artifact follows this skill instruction: Use this skill before modifying ANY schema, query, or migration.",
"max_score": 10
},
{
"name": "instruction-2",
"description": "The submitted artifact follows this skill instruction: **Never combine schema changes and data backfill** in the same migration",
"max_score": 10
},
{
"name": "instruction-3",
"description": "The submitted artifact follows this skill instruction: Define schemas with proper types and associations. The example below shows a child schema with `belongs_to`; a parent schema uses `has_many` in the same pattern (see `Folder` in the migration section for reference).",
"max_score": 10
},
{
"name": "instruction-4",
"description": "The submitted artifact follows this skill instruction: Write clear, reversible migrations. After writing a migration, always validate it with the steps below.",
"max_score": 10
},
{
"name": "instruction-5",
"description": "The submitted artifact follows this skill instruction: Run `mix ecto.migrate` — confirm it applies without errors",
"max_score": 10
},
{
"name": "instruction-6",
"description": "The submitted artifact follows this skill instruction: Run `mix ecto.rollback` — confirm it reverses cleanly",
"max_score": 10
},
{
"name": "instruction-7",
"description": "The submitted artifact follows this skill instruction: Run `mix ecto.migrate` again — confirm re-applying succeeds",
"max_score": 10
},
{
"name": "instruction-8",
"description": "The submitted artifact follows this skill instruction: **Never call Repo from the web layer** (LiveViews, controllers) — all database operations belong in context modules.",
"max_score": 10
},
{
"name": "instruction-9",
"description": "The submitted artifact follows this skill instruction: **Do not invoke this skill** for simple read-only schema inspection or introspection (use `mix ecto.schema` directly instead)",
"max_score": 10
},
{
"name": "instruction-10",
"description": "The submitted artifact follows this skill instruction: **Do not use this skill** for raw SQL queries that bypass Ecto entirely — write raw SQL in a dedicated repo method, not inline in contexts",
"max_score": 10
}
]
}.tessl-plugin
evals
scenario-1
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scenario-56
skills
frameworks
ash-framework
infrastructure
orchestration
elixir-skill-router
personas
phoenix
quality
security
security-essentials
tooling
mix-tasks-generators