generated: '2026-07-21'
method: searched
source: https://github.com/unisonweb/unison
docs: https://www.unison-lang.org/docs/
name: ucm
description: >
  UCM, the Unison Codebase Manager, is Unison Computing's first-party CLI and
  the primary interface to the Unison language, the codebase, Unison Share,
  and Unison Cloud. It hosts an interactive REPL-style command loop, a local
  codebase server with web UI (Unison Local), an LSP server for editors, and
  a built-in MCP server for AI agents.
install:
  - method: homebrew
    command: brew tap unisonweb/unison
    url: https://github.com/unisonweb/homebrew-unison
  - method: docker
    command: docker pull unisonlang/unison
    url: https://hub.docker.com/r/unisonlang/unison
  - method: debian
    url: https://github.com/unisoncomputing/unison-debian
  - method: binaries
    url: https://github.com/unisonweb/unison/releases
commands:
  - group: agents / MCP
    commands:
      - name: ucm mcp
        description: Run the built-in MCP server over stdio for AI agents
        source: https://github.com/unisonweb/unison/blob/trunk/docs/mcp.md
  - group: code management
    commands:
      - name: diff.update
        description: Highlight changes in the scratch file (added 1.0.2)
        source: https://github.com/unisonweb/unison/releases (release/1.0.2)
      - name: moveTo
        description: Move definitions (added 1.0.1)
        source: https://github.com/unisonweb/unison/releases (release/1.0.1)
      - name: dependents
        description: List dependents; works on constructors and ability requests since 1.1.0
        source: https://github.com/unisonweb/unison/releases (release/1.1.0)
      - name: signature
        description: Show type signatures (added 1.3.0)
        source: https://github.com/unisonweb/unison/releases (release/1.3.0)
      - name: lib.install
        description: Install a library from Unison Share into the current project
        source: https://github.com/unisonweb/unison/blob/trunk/docs/mcp.md
related_tools:
  - name: UCM Desktop
    description: Desktop app companion to the UCM CLI
    url: https://github.com/unisonweb/ucm-desktop
  - name: Unison Local UI
    description: Codebase web UI that ships with UCM
    url: https://github.com/unisonweb/unison-local-ui