How do I connect Nova MCP Server to Claude?

Run `claude mcp add nova -- npx -y @bigduu/nova --version` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Nova MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Nova MCP Server do?

Nova MCP Server documents 9 tools to the agent, including ax_activate, ax_read, batch_actions. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Nova

Unclaimed

by bigduu

Give an LLM agent control of the macOS desktop — a single self-contained Rust binary (no Python/JS stack) that speaks MCP: screenshots, Set-of-Mark targeting, Apple Vision OCR, mouse & keyboard.

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'nova' -- 'npx' '-y' '@bigduu/nova' '--version'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

accessibilityai-agentcomputer-usedesktop-automationllm-agentmacosmcpmodel-context-protocolrustscreencapturekit

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9 of 9 tools

Documented tools (9)

From project documentation. A server handshake does not verify each tool’s description or behavior.

ax_activate

Activate an exact actionable node from a fresh axread; rejects stale snapshot IDs and reports route=ax\

ax_read

Canonical ax:read: read semantic labels, text, values, roles, actions, state, and optional bounds through macOS Accessibility or Windows UIA, without a screenshot. Returns an ephemeral snapshot/node protocol and explicit coverage/status.

batch_actions

Run a sequence of input actions in one call.

click_mark

Compatibility action for the latest numbered mark; prefer generation-safe axactivate.

ocr

Recognize on-screen text via Apple Vision (on-device, no model files). Returns each text line with a clickable center — read and click text on canvas/Electron/game surfaces where marks are empty. CJK + Latin.

read_ui

Compatibility alias backed by the same axread traversal and cache generation.

screenshot

Capture the whole display or a single window= — use for layout, icons, colors, images, canvas, and visual verification after semantic/OCR paths.

wait

Pause for a specified number of seconds.

zoom_region

Magnify a rectangle of the last screenshot at native resolution — reads small targets on surfaces with no Accessibility tree.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Nova MCP Server

How do I connect Nova MCP Server to Claude?: Run `claude mcp add nova -- npx -y @bigduu/nova --version` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Nova MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Nova MCP Server do?: Nova MCP Server documents 9 tools to the agent, including ax_activate, ax_read, batch_actions. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.