birdgg/haskell-plugin

haskell-build

Build a Haskell project, interpret GHC errors, and apply safe fixes. Use when the user asks Codex to build Haskell code, fix compilation errors, or run cabal/stack build workflows.

haskell-reviewer

Expert Haskell code review for idiomatic patterns, type safety, purity, error handling, and performance. Use when reviewing Haskell source files or PR changes.

haskell-test

Run and interpret Haskell test suites. Use when the user asks Codex to run HSpec, QuickCheck, Tasty, cabal test, stack test, or diagnose failing Haskell tests.

haskell-effectful

Effectful library conventions and decision rules. Use when writing effectful code, designing effects, or migrating from mtl.

haskell-servant-client

Servant client API wrapper conventions with two-layer error handling. Use when generating HTTP clients from Servant APIs, wrapping external service APIs, or integrating servant-client with effectful.

haskell-servant

Servant web framework conventions using NamedRoutes record pattern. Use when building REST APIs, defining endpoints, writing handlers, or structuring Servant applications.

haskell-patterns

Idiomatic Haskell conventions and decision rules. Use when writing Haskell code, designing data types, or handling errors.

haskell-relude

Relude conventions and safe patterns. Use when setting up relude, migrating from Prelude, or working with relude-based projects.