Assembly instructions

generalaction/emdash

Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.

Node.js#agenticdevelopment#agenticdevelopmentenvironment#ai#claude-code

Difficulty: Easy
Time: about 5 min
Stars: ★ 6,187
Activity: Updated this month
License: Apache-2.0
Open issues: 94
Got it running: Be the first
Looked up: 6 h ago

Saved setup from 6 h ago

Start here

Website ↗emdash.comThe project's own site.Docs ↗emdash.shLinked from the README.

Will it work on my device?

Yes, it installs on your macOS

A ready-made macOS download is in the latest release.

Checking for

Download for macOS

v1.2.10 · 10/30/2026 ↗

emdash-arm64.dmg

dmg · Apple Silicon · 235.8 MB · 588 downloads · best match

Download

Drag the app into Applications.

curl -LO "https://github.com/generalaction/emdash/releases/download/v1.2.10/emdash-arm64.dmg"
open "emdash-arm64.dmg"

Other macOS downloads (1)

emdash-x64.dmg

dmg · Intel · 242.5 MB · 111 downloads

Download

Drag the app into Applications.

curl -LO "https://github.com/generalaction/emdash/releases/download/v1.2.10/emdash-x64.dmg"
open "emdash-x64.dmg"

Install with a package manager

Homebrew

brew install --cask emdash

From the README, exactly as the maintainers wrote it.

Did you get it running?

No reports for macOS yet.

Still stuck? Get a written guide

Claude reads the 13 key files and writes a step-by-step guide for macOS. Once written, it's saved for everyone.

Parts list

1×Node.js 24.14.0runtime
1×pnpm pnpm@10.28.2package manager

Share this manual

Good to know

Monorepo (workspaces) — install from the repo root.
Tool versions pinned in mise.toml — mise install (or asdf install) installs them all.
Has AGENTS.md — instructions for coding agents. You can open Claude Code (or another agent) in the cloned folder and ask it to do the setup for you.
Nested projects: apps/emdash-desktop/package.json, apps/emdash-desktop/tooling/node-deps/package.json, apps/workspace-server/package.json, apps/workspace-server/runtime-deps/package.json and 7 more

package.json scripts (12)

devnx run-many -t dev --all --parallel=10
buildnx run-many -t build --all
testnode tooling/scripts/test.mjs
lintnx run-many -t lint --all && node tooling/oxlint/scripts/check-allowlists.mjs
formatnx run-many -t format --all
format:checknx run-many -t format:check --all
typechecknx run-many -t typecheck --all
affectednx affected -t lint typecheck test
checknode tooling/scripts/check.mjs
doctorpnpm --dir apps/emdash-desktop run doctor
prune:boundary-allowlistsnode tooling/oxlint/scripts/prune-boundary-allowlists.mjs
graphnx graph

Files we read (13)

.github/workflows/code-consistency-check.yml

.github/workflows/release-canary.yml

.github/workflows/release-linux.yml

.github/workflows/release-prod.yml

.github/workflows/release-workspace-server.yml

.github/workflows/workspace-server-package-check.yml

.node-version

.nvmrc

CONTRIBUTING.md

README.md

mise.toml

package.json

pnpm-workspace.yaml

Branch main · 5,440 files in the repo

Reading the repo

Start here

Yes, it installs on your macOS

Download for macOS

Install with a package manager

Did you get it running?

Still stuck? Get a written guide

Opening the box…

Start here

Yes, it installs on your macOS

Download for macOS

Install with a package manager

Did you get it running?

Still stuck? Get a written guide