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 testing-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 `async: true` only when safe** — avoid for DB contexts with shared rows, LiveView, `Application.put_env`, and external services",
"max_score": 10
},
{
"name": "instruction-2",
"description": "The submitted artifact follows this skill instruction: **Define test data in fixtures** (`test/support/`) — never build it inline across multiple tests",
"max_score": 10
},
{
"name": "instruction-3",
"description": "The submitted artifact follows this skill instruction: **Use `has_element?/2` and `element/2` for LiveView assertions** — not `html =~ \"text\"` for structure checks",
"max_score": 10
},
{
"name": "instruction-4",
"description": "The submitted artifact follows this skill instruction: **Always test the unauthorized case** for any protected resource",
"max_score": 10
},
{
"name": "instruction-5",
"description": "The submitted artifact follows this skill instruction: **Never hardcode dates** — use relative timestamps to prevent flaky tests",
"max_score": 10
},
{
"name": "instruction-6",
"description": "The submitted artifact follows this skill instruction: **Check existing fixtures** — inspect `test/support/fixtures/` for relevant fixtures before creating new ones",
"max_score": 10
},
{
"name": "instruction-7",
"description": "The submitted artifact follows this skill instruction: **Create fixture if needed** — add to the appropriate fixtures module (see Fixture Pattern below)",
"max_score": 10
},
{
"name": "instruction-8",
"description": "The submitted artifact follows this skill instruction: **Verify compilation** — run `mix test` to confirm the fixture compiles before writing any tests",
"max_score": 10
},
{
"name": "instruction-9",
"description": "The submitted artifact follows this skill instruction: **Write the failing test** — implement the test case; run `mix test path/to/file_test.exs` and confirm it fails with a meaningful message (not a compile error)",
"max_score": 10
},
{
"name": "instruction-10",
"description": "The submitted artifact follows this skill instruction: **Verify the failure message** — the failure should describe a missing behaviour, not a setup problem",
"max_score": 10
}
]
}.tessl-plugin
evals
scenario-1
scenario-2
scenario-3
scenario-4
scenario-5
scenario-6
scenario-7
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scenario-9
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scenario-51
scenario-52
scenario-53
scenario-54
scenario-55
scenario-56
skills
frameworks
ash-framework
infrastructure
orchestration
elixir-skill-router
personas
phoenix
quality
security
security-essentials
tooling
mix-tasks-generators