About Fauconnier
Fauconnier is a Mac app that opens, tiles and drives your command-line coding agents by voice, for developers who run several of them at once.
What Fauconnier does
Your agents, in real terminals, on one screen
Thirteen CLIs are recognised: Claude Code, Codex, Gemini, Grok, Cursor, OpenCode, Kimi, Aider, Goose, Crush, Amp, Kiro and Pi. Each one opens in a canvas window with its own interface. Up to nine per scene, and the grid rearranges itself.
You talk, they work
Dictation runs on your Mac, in about 135 ms. One sentence can carry several orders: open an agent, hand it a task, ask how another one is doing. Everything also works from the keyboard, with the ⌘K palette.
You know who has finished and who is waiting for you
Each window has a status dot and a back side that sums up what is going on, written by Apple's model on your Mac. A relay can wait for one agent to finish before sending the next step to another.
What was learnt yesterday is used today
Sessions are indexed and searchable. A correction becomes a note you can reread and edit. A repeated routine becomes a SKILL.md file.
Your agents keep going without you
An agent can run on a remote machine, inside a tmux session: lid closed, it carries on. Perchoir, the iPhone app, re-attaches to the same sessions.
What changes compared with terminal tabs
A canvas instead of a stack of tabs
In tabs you see one agent at a time and go and check the others. On the canvas all nine are visible together, laid out as a grid, in columns, or with one in front.
The real state, not a guess
Fauconnier reads each agent's state through hooks installed in the CLI. It knows who is working, who is waiting for an answer and who has finished, without you going to look.
Approvals no longer block
Actions that need approval pile up in a queue. The agent carries on with whatever does not depend on them, and you decide in one batch, in one sentence. Nothing irreversible goes out without your go-ahead.
Quota becomes a state, not a failure
When a subscription window runs out, the app pauses that engine, switches to another and resumes at the reset.
Nothing redone on the agent's side
Fauconnier does not reimplement agents and does not build them buttons to commit or open a PR: you tell them. It adds what an agent cannot do alone, such as seeing the others and handing work over.
Who it is for
- Developers who run several coding agents in parallel, on one or more projects.
- People who mix CLIs: Claude on a refactor, Codex on the database, Grok on the docs.
- People who start agents on a server over SSH and want to find them again later.
- People who want to follow and unblock their agents from the iPhone, with Perchoir.
- People who already pay for a Claude or ChatGPT subscription, or an API key, and do not want to pay twice.
Who makes Fauconnier
Fauconnier is made by Meffysto, an independent developer in France. He builds Mac and iPhone apps on his own, with no ads and no ad tracking, and shares the whole process in public on X.
Fauconnier was previously called Playcaller.
How it works
- Install: a
.dmgfile to download from this site, for macOS 14 or later on Apple Silicon. The app is Developer ID signed and notarised by Apple. Nothing to activate: it works on first launch. The app interface is in French for now. - Price: free. No trial, no licence, no account, on as many Macs as you like. No AI credits sold: the app uses your subscriptions (
claude,codex…) or your keys. - Updates: included, delivered by the app itself (Sparkle).
- Support: by email at meffysto@gmail.com, in French or English, with no promised response time.
- Data: your keys stay in the macOS keychain, dictation and summaries are computed on your Mac, your history stays on your disk. Your prompts go straight to the AI provider you chose, with no Fauconnier server in between. The details are on the privacy page (in French).
Key facts
- Name
- Fauconnier (formerly Playcaller)
- Type
- Development environment for coding agents, native to macOS, driven by voice
- Platforms
- macOS 14 or later, Apple Silicon. iPhone companion: Perchoir (iOS 17 or later)
- Price
- Free, no account, no trial, no licence. Perchoir too.
- Launched
- July 2026 (first public release, under the name Playcaller)
- Publisher
- Meffysto, independent developer, France
- Website
- fauconnier.app
- Contact
- meffysto@gmail.com
- Data / privacy
- No account, no telemetry in the app, no Fauconnier server between you and your AI provider. Privacy policy (in French)
- Source code
- Closed: Fauconnier is free but not open source
- Other apps by the same maker
-
- Souffleuse: fully local AI autocomplete, in every app (Mac)
- Daybard: your day replayed as an RPG epic in the evening (iPhone, Mac)
- TimeVault: app blocker: you seal it until a deadline, and it only opens on proof (iPhone, Mac)
- Not a Cent: a directory of polished apps that have not made a cent yet (Web)
- Lanes: read-only Git dashboard (Mac)
Frequently asked questions
Is Fauconnier the former Playcaller?
Yes. The app was first released as Playcaller, in July 2026, then renamed Fauconnier. Updates followed the change of name.
Is it really free?
Yes: no sale, no billing, no account. Fauconnier is free but not open source, and the code stays closed. You only pay for your AI subscriptions or keys, with their providers.
Which agents work with Fauconnier?
Thirteen CLIs are recognised: Claude Code, Codex, Gemini, Grok, Cursor, OpenCode, Kimi, Aider, Goose, Crush, Amp, Kiro and Pi. They must be installed on your machine, with your own accounts.
Do my prompts go through your servers?
No. They go from your Mac straight to the provider you chose. We do not see, relay or store your exchanges with the AI.
Do I need an iPhone?
No. Perchoir is optional: it lets you follow and unblock your agents away from the Mac. It is free on the App Store.
Who do I contact about a bug or a question?
Write to meffysto@gmail.com, in French or English. Fauconnier is maintained by one person, with no promised response time.