Loci
Run local models on your Apple silicon Mac with Loci. Requires macOS 26.2 or later.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
https://github.com/AskLoci/loci-plugins/releases/download/v0.1.3/loci-0.1.3-macos-arm64.mcpbDocumentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Loci for agents
Use models running on your Mac for summaries, rewriting, classification, structured output and batch processing. Compatible Loci app versions also provide file processing, document extraction, folder search and audio transcription.
Requires an Apple silicon Mac, macOS 26.2 or later, and the Loci direct-download app. Available tools depend on your app version.
Codex
Add the Loci marketplace:
codex plugin marketplace add AskLoci/loci-plugins
In the desktop app, open the Plugins Directory, select Loci, and install the Loci plugin. If the marketplace does not appear, restart the desktop app. Start a new chat and ask: “Help me set up Loci.”
Claude Code
Add the marketplace and install Loci:
claude plugin marketplace add AskLoci/loci-plugins
claude plugin install loci@askloci
Start a new conversation and ask: “Help me set up Loci.” Setup and data handling.
Cursor
Open Customize → Plugins and add https://github.com/AskLoci/loci-plugins as a repository source. Install Loci, start a new conversation, and ask: “Help me set up Loci.” Setup and data handling.
Other MCP clients
Use the Loci MCP bundle with a local macOS client that supports MCPB, or configure the signed connector as a local stdio server. No Node.js or Python runtime is required.
Connect Loci
Open Loci and enable Settings → Advanced → Agent Access. Keep Loci running while using the plugin. The setup tool checks the connection and helps choose an installed model or a compatible download. Existing models are shared with the app.
Data and file access
Model inference runs on your Mac. Prompts, paths and returned results shared in your assistant conversation follow that assistant’s data policies. File tools can read paths you authorize; summaries, extracted values, quotes and search passages can reveal information from those files.
The connector reads Loci’s owner-only connection file and sends its credential only over loopback. It has no separate analytics or external reporting endpoint. Loci’s data practices are described in its privacy policy.
Frequently asked questions
What is Loci?
Run local models on your Apple silicon Mac with Loci. Requires macOS 26.2 or later.
How do I install Loci?
Follow the installation steps in its documentation, shown on this page and in its repository.
Does Loci need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Loci open source?
Its code is public on GitHub, but the repository does not declare a standard license.
Who maintains Loci?
It is published by AskLoci. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.