Muster free tier: Yes: free. Paid pricing: Free (MIT).

What is Muster pricing in 2026?

Muster pricing (as of our last verification on 2026-10-17): Free (MIT). Always confirm on the official site — plans change.

What is Muster's PromptToProd score?

Muster scores 68/100 on PromptToProd (fit, vibe-coder friendliness, quality, pricing, ecosystem, momentum, ownership). See the score breakdown on this page and our methodology.

When was Muster last verified on PromptToProd?

Pricing and details for Muster were last verified on 2026-10-17 from official docs and pricing pages.

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Muster

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Mac menu bar app that tells you which Claude Code, Codex or Cursor session needs you

Free, open-source (MIT) macOS menu bar app by Josef Chen. It shows an alert the moment a Claude Code, Codex or Cursor session waits on you, lets you allow a command or pick an answer with one keystroke, and jumps to the most urgent agent with Option-Tab. Notarized; macOS 14+, Apple silicon and Intel.

Best for: Mac users juggling several coding agents who keep missing permission prompts

Visit Muster ↗

score / 100

Pricing: Free (MIT)
Free tier: Yes: free
Open source: Yes
Last verified: 2026-10-17

Muster pricing breakdown, history and cheaper alternatives →

Sources (checked 2026-10-17): agentmuster.app · github.com/josefchen/muster

Score breakdown

Fit for the use case14 / 25
Vibe-coder friendliness11 / 15
Output quality & reliability9 / 15
Pricing & free tier15 / 15
Ecosystem & integrations5 / 10
Momentum4 / 10
Code ownership & lock-in10 / 10

Why this score: A focused, polished fix for a real multi-agent annoyance, free and open source. Mac-only, created Oct 12, 2026 (~90 GitHub stars), single maintainer, so ecosystem and momentum are still small.

Based on desk research of official pricing pages and docs; see methodology.

FAQ

Is Muster free?: Muster free tier: Yes: free. Paid pricing: Free (MIT).
What is Muster pricing in 2026?: Muster pricing (as of our last verification on 2026-10-17): Free (MIT). Always confirm on the official site — plans change.
Is Muster open source?: Yes. Muster is open source.
What is Muster's PromptToProd score?: Muster scores 68/100 on PromptToProd (fit, vibe-coder friendliness, quality, pricing, ecosystem, momentum, ownership). See the score breakdown on this page and our methodology.
What is Muster best for?: Muster is best for: Mac users juggling several coding agents who keep missing permission prompts.
When was Muster last verified on PromptToProd?: Pricing and details for Muster were last verified on 2026-10-17 from official docs and pricing pages.

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