# Ocaml

> OCaml ecosystem = opam + dune + merlin + ocamlformat.

- Skill: `plurigrid/ocaml` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add plurigrid/ocaml`
- Raw SKILL.md: https://api.skillmd.com/api/skills/plurigrid/ocaml/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: plurigrid (https://skillmd.com/u/plurigrid)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/plurigrid/ocaml

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# ocaml

OCaml ecosystem = opam + dune + merlin + ocamlformat.

## Atomic Skills

| Skill | Commands | Domain |
|-------|----------|--------|
| opam | 45 | Package manager |
| dune | 20 | Build system |
| merlin | 1 | Editor support |
| ocamlformat | 1 | Formatter |

## Workflow

```bash
opam switch create 5.1.0
eval $(opam env)
opam install dune merlin
dune init project myapp
cd myapp
dune build
dune test
```

## dune-project

```lisp
(lang dune 3.0)
(name myapp)

(library
 (name mylib)
 (libraries str unix))

(executable
 (name main)
 (libraries mylib))
```

## REPL

```bash
utop
dune utop
```