matteing/opal

🔮 A smol coding agent in Elixir

58Stars on the repository
12Mods indexed here, across every type
20d agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown

ci-preflight

01

matteing/opal

Skill Claude CodeCodex

Runs the full CI check suite locally before pushing. Use this skill before pushing a branch or when the user asks to verify everything passes, to catch issues before they hit CI.

58 20d ago A 39 tokens original MIT

citations

02

matteing/opal

Skill Claude CodeCodex

Automatically adds user-provided links and citations to docs/research/references.md. Use this skill whenever the user shares a URL, paper, blog post, or external reference that should be recorded.

58 20d ago A 42 tokens original MIT

codegen-sync

03

matteing/opal

Skill Claude CodeCodex

Verifies TypeScript codegen is in sync with Elixir protocol definitions. Use this skill after modifying Elixir structs, protocol messages, or RPC types in lib/opal/ to regenerate and verify the TypeScript client SDK types.

58 20d ago A 50 tokens original MIT

debugging

04

matteing/opal

Skill Claude CodeCodex

Guides use of the debugstate tool and runtime introspection to diagnose agent issues between turns. Load this skill when something goes wrong during a session and you need to inspect agent state, token usage, event history, or tool availability.

58 20d ago A 50 tokens original MIT

docs

05

matteing/opal

Skill Claude CodeCodex

Maintains evergreen documentation in docs/. Use this skill when a major feature is added, changed, or removed to keep the corresponding explainer up to date. Also use when the user asks to document something or references this skill.

58 20d ago A 47 tokens original MIT

elixir-cyclic-deps

06

matteing/opal

Skill Claude CodeCodex

Detects and removes cyclic compile-time dependencies in Elixir codebases using mix xref, with minimal code changes. Use when the user explicitly asks to check for cycles, remove cyclic dependencies, or fix xref cycle failures. Requires Elixir 1.19 or higher for accurate results.

58 20d ago A 65 tokens original MIT

git

07

matteing/opal

Skill Claude CodeCodex

Enforces conventional commit messages and good git hygiene. Use this skill automatically whenever creating commits, preparing PRs, or performing any git operations in this repository.

58 20d ago A 33 tokens original MIT

lint-and-format

08

matteing/opal

Skill Claude CodeCodex

Runs linting and formatting checks before committing. Use this skill after writing or modifying code to ensure it passes all linters and formatters before creating a commit.

58 20d ago A 36 tokens original MIT

live-tests

09

matteing/opal

Skill Claude CodeCodex

Writes live integration tests that hit the real Copilot API and record responses as replayable fixtures. Use this skill when adding new agent behaviors, provider integrations, or tool interactions that need real-world API coverage.

58 20d ago A 44 tokens original MIT