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Junius pricing

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Developer Tools · Official-source review 2026-10-07

Junius is a Windows local-execution service that exposes workspace files, processes, background jobs, Git, browser automation and desktop interaction to an MCP-connected assistant. It separates the assistant’s decisions from local execution and includes access to agent skills. The repository documents installation, architecture and the boundaries of its local runtime.

Updated 2026-10-07View sources
Official website
Category
Developer Tools
Free access
ISC-licensed repository; assistant and hosting/tunnel costs separate.
API access
MCP local execution endpoint; Windows-only runtime.

Understand the total cost

Junius pricing & plans

Free

Free

ISC-licensed repository; assistant and hosting/tunnel costs separate.

Access
ISC-licensed repository; assistant and hosting/tunnel costs separate.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Cost and handoff

The source is ISC licensed and explicitly rejects non-Windows runtimes. ChatGPT plan or MCP-client compatibility must be confirmed separately; installing the service does not provide model usage. The security documentation requires loopback private endpoints and exposing only /mcp when a tunnel is needed.

Read original source ↗

Facts apply to the named version and check date. Send a sourced correction if something changed.

Junius pricing questions

Is Junius free?

Yes. Junius has an ongoing free plan. ISC-licensed repository; assistant and hosting/tunnel costs separate.

How much does Junius cost?

Junius is listed as free. No paid plan with a published price was found.

Does Junius have an API?

API or developer access is mentioned. MCP local execution endpoint; Windows-only runtime.