Super-skill for developing Haskell projects with cabal nix-style builds. Orchestrates HLS diagnostics, Haddock, Hoogle, source formatting, and cabal-gild into one workflow. Use when writing, editing, refactoring, building, typechecking, fixing compiler errors, renaming symbols, looking up APIs, or changing dependencies in Haskell projects. Treat cabal.project as the source of truth, prefer HLS before full builds, and prefer local docs over remote lookup.
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See how to installReview the instructions the agent will receive before you install.
This is the entry point for Haskell development in this repository. It coordinates the
Codex skills with the agent-agnostic repository policy in AGENTS.md:
.codex/skills/hoogle..codex/skills/haddock..codex/skills/haskell-format, .codex/skills/haskell-cabal-gild,
and the shared hooks under .agents/hooks/.cabal.project and cabal.project.local are the source of truth.stack or invoke ghc directly for normal validation.cabal build <pkg>. Get it green before moving to another package..hs, .lhs, and .hsig files with the haskell-format skill before compiling..cabal, cabal.project, cabal.project.local, and cabal.project.freeze files with the haskell-cabal-gild skill before compiling.(<>) over (++) for all concatenation, including lists and strings.package.yaml/hpack in this repository; edit .cabal files directly.haddock skill for local Haddock docs and dependency source.hoogle skill for name or type-signature search.cabal build <pkg> once quick diagnostics are clean or unavailable.cabal test <pkg> or the specific test target relevant to the change..cabal files or cabal.project according to the project layout.haskell-cabal-gild.cabal build <pkg> for affected packages.cabal build all only when a dependency or build-plan change needs broad validation or refreshed local docs.| Need | Use |
|---|---|
| Typecheck, types, definitions, references, rename | HLS when available |
Format .hs, .lhs, .hsig sources | haskell-format |
Format .cabal and cabal.project* files | haskell-cabal-gild |
| Read dependency docs or source | haddock |
| Find a function by name or type | hoogle |
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Read Haskell package documentation, Haddock HTML, Hackage pages, or dependency source for cabal nix-style projects. Prefer locally built/cached docs and source from the cabal store, dist-newstyle, plan.json, and repo-cache; fall back to Hackage only for packages outside the project dependency set or when local docs are unavailable.
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Format Haskell package descriptions and cabal project files with cabal-gild: *.cabal, cabal.project, cabal.project.local, and cabal.project.freeze. Use after editing dependencies or stanzas, when refreshing cabal-gild discover module lists, or when checking cabal file formatting.
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Format Haskell source files: *.hs, *.lhs, and *.hsig, with the project's configured formatter: fourmolu, ormolu, or stylish-haskell. Use before compiling, after source edits, and when applying project style.
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Search Haskell APIs using Hoogle. Use when working with Haskell projects to look up function signatures, find functions by type, discover library documentation, or identify which module exports an item.
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