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Name	Modified	Size	InfoDownloads / Week
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latest-linux.yml	2026-08-22	406 Bytes	0
latest-mac.yml	2026-08-22	542 Bytes	0
latest.yml	2026-08-22	373 Bytes	0
Munder-Difflin-0.4.5-linux-x86_64.AppImage	2026-08-22	172.6 MB	1
Munder-Difflin-0.4.5-mac-universal.dmg	2026-08-22	241.5 MB	1
Munder-Difflin-0.4.5-mac-universal.dmg.blockmap	2026-08-22	253.4 kB	0
Munder-Difflin-0.4.5-mac-universal.zip	2026-08-22	232.6 MB	0
Munder-Difflin-0.4.5-mac-universal.zip.blockmap	2026-08-22	241.9 kB	0
Munder-Difflin-0.4.5-win-x64-portable.exe	2026-08-22	131.5 MB	0
Munder-Difflin-0.4.5-win-x64-setup.exe	2026-08-22	131.7 MB	0
Munder-Difflin-0.4.5-win-x64-setup.exe.blockmap	2026-08-22	136.8 kB	0
SHA256SUMS.txt	2026-08-22	532 Bytes	0
README.md	2026-08-22	36.3 kB	0
v0.4.5 source code.tar.gz	2026-08-22	65.7 MB	0
v0.4.5 source code.zip	2026-08-22	67.3 MB	0
Totals: 15 Items		1.0 GB	2

Munder Difflin v0.4.5

A local hive of Claude Code, Antigravity, Codex, Gemini, Cursor, Grok & Copilot agents that run themselves. Messaging, routing, and remembering, coordinated by your clone, Michael, who you talk to. Local-first and open source.

→ munderdiffl.in · see it in action, then grab a build below

What's new in 0.4.5

The release that fixes the things you trusted and were quietly wrong. Cost reporting was off by more than half after a restart, semantic memory never worked on Apple Silicon, and agents could not talk to each other reliably. All three are fixed. Plus weekday scheduling, clickable paths everywhere, one editor instead of two, and 23 community pull requests.

Costs are reported right. The telemetry counter reset on every app restart while the session id stayed the same, so the floor under reported spend by a wide margin. It is now folded from the ledger, with a separate session figure kept alongside.
Semantic memory works on Apple Silicon. CoreML overflowed the quantized embedding graph, every vector came back NaN, and chroma rejected every upsert. Embeddings are pinned to CPU on macOS.
Agents talk to each other reliably. An inbox wake watchdog, no more stale nudges, mail to a missing inbox is bounced and logged instead of dropped, a capped steer queue, atomic webhook dispatch, and PROTOCOL.md refreshes on boot.
Workers are reliable to hire. Spawn, teardown, floor cards, and engine availability are all checked before a hire is committed.
The renderer runs inside Chromium's sandbox.
Windows agents quit when the app does.
Restart to update no longer gets stuck when a running agent makes the app refuse to quit.
Triggers run on weekdays at a time of day, not just on an interval, and they are DST safe.
Focus mode survives a restart and you can edit an agent from inside it.
Every path in terminal output is clickable. Markdown previews, source opens in the editor, images and unknown types reveal in Finder or Explorer.
One editor. The fullscreen file overlay is gone, everything opens in the IDE, and the git rail is collapsed by default.
Updating is one click. The title-bar badge downloads the build for your machine and tells you how to install it, it says latest once a check confirms you are current, and the first run after an update opens that release's page.
Settings opens with a card carrying your version, your plan, and a way back to these notes.
Terminals follow the window theme, Gemini CLI and Cursor Agent join the engine list, and Michael hires on his own terms with editable agent names.

A note on Pro

v0.5.0 launches with a Pro version alongside the community version. Community stays free, stays open, and keeps getting updates. Pro ships with new features and integrations, with more posted throughout the year, and it stays ahead of Community, for power users who want the full potential of coding agents and agent harnesses. The Pro roadmap also includes a mobile app. The first 100 people on the Founders' Wall get a month of Pro free, then 50% off the annual plan.

Thanks

23 community pull requests landed in this release. Thank you to everyone who opened one, reviewed one, or filed the bug that led to one. The full list is in CHANGELOG.md.

Munder Difflin · v0.4.5

Thank you for being here early.

Every bug you filed, every PR you sent, every floor screenshot you posted shaped what Munder Difflin is today. This release is built on that. So before the list of fixes, a proper thank you to the people who showed up first.

Announcement

v0.5.0 launches with a Pro version.

Community stays free, stays open, and keeps getting updates. Pro ships with new features and integrations, with more posted throughout the year, and it stays ahead of Community, for power users who want the full potential of coding agents and agent harnesses. The Pro roadmap also includes a mobile app.

50% OFF

On the Founders' Wall? A month of Munder Difflin Pro free, then 50% off the annual plan. For the first 100 people on the wall.

01 / 02 <label class="btn primary" for="pg2">See what's new in 0.4.5 →</label>

What's new in 0.4.5

The things you trusted and were quietly wrong.

Three fixes lead this release, and each one was under reporting, failing silently, or both. Then a solid list of things that are simply new.

Costs

Spend is reported right.

The counter reset on every app restart while the session id stayed the same, so the floor under reported by a wide margin. It is now folded from the ledger, with a session figure kept alongside.

Memory

Semantic memory on Apple Silicon.

CoreML overflowed the embedding graph, every vector came back NaN, and nothing was ever stored. Embeddings now run on CPU on macOS, so recall actually recalls.

Hive

Agents talk to each other, reliably.

A watchdog wakes idle workers with mail waiting, stale nudges stop, mail to a missing inbox bounces instead of vanishing, and webhook dispatch is atomic.

Security

The renderer runs in Chromium's sandbox.

Privileged work stays behind the bridge. Release pages like this one render in a sealed frame with no scripts at all.

Also new

Triggers
Schedule on weekdays at a time of day
Not just on an interval, and DST safe by construction.
Terminal
Every path in output is clickable
Markdown previews, source opens in the editor, everything else reveals in Finder or Explorer.
Editor
One editor, not two
The fullscreen overlay is gone. Everything opens in the IDE, git rail collapsed by default.
Focus
Focus mode survives a restart
And you can edit an agent without leaving it.
Workers
Hiring is reliable
Spawn, teardown, floor cards and engine checks happen before a hire is committed.
Updates
Updating is one click, and you pick how
The version badge next to the logo downloads the build for your machine and walks you through replacing the app, step by step for your OS. Auto update lives in Settings. Once you are current the badge says latest, and the first launch after an update opens that release's page. Restart to update no longer gets stuck either.
Windows
Quitting the app quits the agents
Engines
Gemini CLI and Cursor Agent join the floor
Terminal
TUIs follow the window theme
Agents
Michael hires on his own terms, and names are editable

23PULL REQUESTS

Thank you to every contributor. 23 community pull requests landed in this release. If you opened one, reviewed one, or filed the bug that led to one, this version has your fingerprints on it. The full list is in the release notes on GitHub.

Star

If this has been useful, a star is the whole marketing budget.

The ⭐ Star us on GitHub button is just below this page.

Discord

Come hang out.

Questions, floor screenshots, and a role when your PR lands. Click the address to select it, then copy.

discord.gg/SEDzP5ZPk5

Restart to update closes the app and every running agent, so finish or pause what they are doing first. Later keeps the update waiting until you are ready.

<label class="btn sm l" for="pg1">← Back</label> 02 / 02

Still new in 0.4.4 · Windows joins the floor

If you use Windows, 0.4.4 is the release that made the app work. Agents could never message each other there. They started, looked completely healthy, and quietly ignored one another forever. It also fixed the first five minutes: setup could not be finished, and on a brand new install the parts that carry messages between agents never started until you quit and reopened the app.

Windows agents talk to each other. The hive protocol reaches an agent as a multi-line command-line argument, and cmd.exe cut it at the first newline, taking the block that names inbox/ and outbox/ with it. Spawns now hand the real interpreter an argument array.
Setup finishes. Accepting the suggested folder used to fail outright, and the folder box was empty even though the text above promised a suggestion.
A fresh install works immediately. Messages between agents, live status on the cards, and Restart & Continue all stayed dead until you restarted the app, and nothing said so.
Skills and Prerequisites. Every skill your agents can use, 227 more to browse and install, and one page in Settings that says which supporting tools you have and which you do not.
Release drops. A release can carry its own designed page instead of a version number in the corner. You are reading one.
Dark mode rebuilt. The one-pixel borders that draw every control measured under 2:1 against their background, so the whole app read as flat grey shapes. Re-tuned and measured rather than picked by eye.

Still new in 0.4.3 — Michael is the logo

The mark is a face now. Munder Difflin has always been an office you watch people work in, and the icon was a pair of script initials on a gradient. It's Michael — your clone — drawn in the app's own pixel art, on the brand yellow, looking straight back at you.

One mark, everywhere. The dock icon on macOS, Windows and Linux, the site favicon and header, the in-app toolbar, and the README all render the same portrait. No variant is a redrawing of another.
The SVG is the source of truth. The mark is authored as pure vector — every pixel of the sprite is a rect, with no fonts, no gradients and no filters — and every raster in build/ and docs/ is generated from it by tools/make-logo.cjs (github.com). The old icon depended on the Lobster webfont being installed to render correctly.
Icons are native at every size. A real multi-resolution .icns (16→1024, with the macOS drop shadow) and a .ico carrying six sizes, plus a 32px favicon and a 180px apple-touch-icon, so nothing is a downscale of a 512px image any more.
Brighter call-to-action buttons. The download button took its fill from the same token as accent text, which has to stay dark enough to read on a white page — so on the light theme it came out brown. Fills now have their own token and start at what used to be the hover colour.

[!NOTE] Appearance only. No functional change in this release: the update carries the new icon into your dock, and nothing else moves.

Still new in 0.4.2 — Anonymous usage stats, done in the open

Munder Difflin now sends a small set of anonymous usage events (app opened, agent spawned, feature used) so we can tell whether features are actually used. It is built the way an open-source project should build it:

TELEMETRY.md (github.com) is the complete contract. Every event and property is listed there, and the code enforces that list as a hard allowlist — anything not in the table cannot be sent. No prompts, no transcripts, no file paths, no repo names, no identifiers. Events are PostHog anonymous events (no person profile, no identity), keyed by a random UUID you can delete.
Opt-out, three ways. Uncheck it during onboarding, flip Settings → General → Anonymous usage stats, or set the standard DO_NOT_TRACK env var.
Forks send nothing. The analytics key is injected only in release CI — building from source produces a build where the analytics module is a complete no-op.

Still new in 0.4.1 — The app says what the site says

Michael is your clone. The website has been describing Munder Difflin as a clone of you that works around the clock — the app still called it a "GOD agent." Now they match.

Your clone, not the GOD agent. Michael is described as your clone throughout onboarding, and his card on the floor carries a BOSS tag — he's the boss of the agents, you're still the boss of him.
Onboarding was rewritten. It opens on what you actually get ("a clone of you, working 24/7") instead of a feature list, and the engine card no longer advertises three engines when ten ship — Claude Code, Codex, Grok, Kimi, Antigravity, Qwen, OpenCode, Crush, pi and Copilot are all named.

[!NOTE] This release changes wording only. The god agent id, the hive folder layout, and message routing are untouched, so existing hives, memory, and running agents carry over exactly as they are. Nothing to migrate.

[!NOTE] Auto-update carries you here from v0.3.7 or later. If you are still on v0.3.5 or v0.3.6, those builds shipped the broken updater and need one manual install — grab the download below, once.

Previously

0.4.0 — the brand grew up: one yellow "MD" mark across the dock icon, in-app logo, site favicon, and munderdiffl.in; the landing page rebuilt around real screenshots and a live pixel-floor sim; pricing reframed around Private Cloud and Private Network.
0.3.9 — Settings → General answers "am I up to date?" directly, and removes 0.3.8's usage-limit guard that never released held agents.
0.3.8 — memory condensation works for the first time; a Triggers hub; one compaction schedule instead of two; a readable commit history.
0.3.7 — auto-update actually runs: a CommonJS/ESM import bug meant the native updater never fired in any packaged build since v0.3.4, and the failure was swallowed by a catch.
0.3.6 — a machine with nothing on it can run agents: Node and npm install themselves (verified against the official SHASUMS256.txt), hooks stopped dying with exit 127, ~/dev/foo paths resolve, and the office floor rebuilds itself after losing its GPU context.
0.3.5 — a send now escape hatch for a paused message queue, and a compact Command Center header.
0.3.4 — talk mode that knows the floor, markdown previews, the IDE git time-machine (history + branch compare), redesigned Settings, xAI Grok and Kimi Code, and a single delivery gate for every automatic writer. Community work by @gts-47 and @qschmick.
0.3.3 — the built-in Monaco IDE, and GitHub Copilot CLI as the first community-contributed engine (@anxkhn).
0.3.2 — Realtime Michael: a voice channel to the GOD orchestrator.
0.3.1 — three more engines: OpenCode, Crush, and pi.dev.

Full history in the CHANGELOG.

Thanks

This release carries community work. All 23 of these landed in v0.4.5:


#157	@gpechieu	inherited Claude Code session markers are stripped from an agent's PTY env
#158	@gpechieu	semantic memory works on Apple Silicon again: embeddings are pinned to CPU on macOS
#159	@gpechieu	reliable spawn, teardown and floor cards for the workers Michael hires
#165	@rajpreetcodes	a `~` in the harness home folder resolves, so setup cannot die on ENOENT
#171	@KrushanPatel	CONTRIBUTING.md matches the platforms the app actually supports
#175	@rekcilyssup	a main-process watchdog wakes an idle worker sitting on an undrained inbox
#176	@FenjuFu	Gemini CLI joins the engine list
#177	@TTAWDTT	each agent's live context-window occupancy shows in the roster
#178	@gpechieu	a god-hired worker gets a floor card, and it archives when the worker dies
#179	@kdahal7	`statAbs` expands `~`, so a path resolves the same way on every platform
#181	@TTAWDTT	webhook dispatch goes through an atomic add, so a stale ledger cannot overwrite it
#184	@TTAWDTT	the per-agent steer queue is capped, which bounds memory on a stalled agent
#185	@hyperstream-pro	mail to an id with no inbox is bounced and logged instead of dropped
#186	@BUGHUNTER-SACHIN	tests cover the Notifications and Stop idle-detection branches
#187	@hyperstream-pro	a stale inbox nudge no longer wakes an agent against an inbox that is already empty
#190	@swarnendu19	agent names can be edited after spin-up
#199	@amey-op	the Antigravity queue no longer wedges for 30 seconds
#203	@lifelmy	the Crush config env points at the agent's own directory
#210	@chaitanyagiri	the art licence claims are true again, Modern Interiors is bought
#214	@pontusm	Windows agent processes quit when the app does
#219	@chaitanyagiri	engine availability is checked before Michael's engine is committed
#226	@chaitanyagiri	the floor reports lifetime spend, not spend since the last app restart
#227	@scy73	the renderer runs inside Chromium's sandbox

Four of the fixes above are @gpechieu's and three are @TTAWDTT's. Thank you, and thank you to everyone who reviewed a pull request or filed the bug that led to one.

⤓ Downloads

Latest builds for every platform. The macOS build is universal, one DMG that runs on both Apple Silicon and Intel.

🍎 macOS

Build	File
Universal (Apple Silicon + Intel)	`Munder-Difflin-0.4.5-mac-universal.dmg` (github.com)

🪟 Windows

Build	File
Installer (x64), recommended	`Munder-Difflin-0.4.5-win-x64-setup.exe` (github.com)
Portable (x64, no install)	`Munder-Difflin-0.4.5-win-x64-portable.exe` (github.com)

🐧 Linux

Build	File
AppImage (x86_64)	`Munder-Difflin-0.4.5-linux-x86_64.AppImage` (github.com)

📦 Source

Source code (zip) · Source code (tar.gz) (github.com)

Verify your download: SHA256SUMS.txt (github.com) — then shasum -a 256 -c SHA256SUMS.txt (macOS/Linux) or Get-FileHash (Windows).

The filenames above carry a version number, so they only resolve while this is the latest release. If a link 404s you are reading an old release page — grab the current build from the releases page, which is always right.

First launch

macOS — the build is signed with a Developer ID (hardened runtime). If macOS still shows an "unidentified developer" warning on first open, right-click the app → Open → Open once. After that, the first time agents touch a folder you'll get a single macOS privacy prompt for Documents/Desktop/Downloads — allow it once and the grant sticks (it covers the claude agents the app spawns), because the grant is bound to the app's stable signature.
Windows — not code-signed yet; SmartScreen may show "Windows protected your PC" → More info → Run anyway.
Linux — make the AppImage executable: chmod +x Munder-Difflin-*.AppImage, then run it.

Requirements

macOS 12+, Windows 10/11, or a modern Linux desktop
Claude Code installed and on your PATH (and/or the Antigravity agy or OpenAI codex CLI for those providers)
A Claude Code subscription (Munder Difflin drives your existing claude CLI — it doesn't replace it)
For Realtime Michael (voice): your own OpenAI key with Realtime API access — without it the Talk button stays disabled

🛠 Build from source

:::bash
git clone https://github.com/chaitanyagiri/munder-difflin.git
cd munder-difflin
npm install        # rebuilds node-pty for Electron
npm run dev        # launches the app with hot reload

Node 18+ and a C/C++ toolchain are required (Xcode CLT on macOS, Build Tools on Windows). To produce installers yourself: npm run dist (current OS), or dist:mac / dist:win / dist:linux.

What's inside

The simulation — every agent is a real claude (or agy / codex / local-provider) pseudo-terminal, visualized as an avatar on a watchable office floor (node-pty · xterm.js · Pixi.js).
Talk to Michael — a realtime voice channel to the GOD orchestrator that reads the hive and acts behind spoken echo-back confirmation, BYOK and main-only.
Selectable engines + per-hire capabilities — each hire (and Michael himself) runs on a pluggable engine, with its own consented skills + MCP catalog.
MemPalace — a markdown-first, semantic memory layer the whole office shares; cross-session recall in ~12ms.
GOD orchestrator + hive — one agent you talk to routes work to specialists and stays autonomous, escalating only critical items (spend, destructive ops, scope) to you natively, through human-in-the-loop prompts. It can also spawn an ephemeral worker straight from Slack and tear it down safely.
Plugs into your setup — your subscription, settings, skills, and MCP servers, plus an integrations registry with a write-only secret broker; /remote-control reaches the whole floor from your phone.

Full notes in the CHANGELOG.

Links

Website · Repo · Issues · Contribute · Become a patron

MIT-licensed. An affectionate parody — not affiliated with NBC's The Office or Dunder Mifflin.

Source: README.md, updated 2026-08-22

Munder Difflin Files

local multi-agent harness

Munder Difflin v0.4.5

→ munderdiffl.in · see it in action, then grab a build below