// MCP TOOL REFERENCE

NOVA ACT TOOLS

9 tools from the Nova Act MCP Server, categorised by risk level.

// ALL 9 NOVA ACT TOOLS

READ 5 tools

Read fetch_file Retrieves the contents of a file from the server, with optional base64 encoding. Primarily used to access l... Read inspect_browser Retrieves current state (URL, title) of an active browser session. Screenshot is omitted by default. Set in... Read list_browser_sessions Lists all active Nova Act browser sessions managed by this MCP server. Returns details about each session i... Read view_compressed_log Retrieves and displays the contents of a compressed log file (.gz) previously created by the compress_logs ... Read view_html_log Retrieves and displays HTML log files generated by Nova Act browser sessions. These logs contain detailed i...

DESTRUCTIVE 1 tools

Destructive end_session Closes the specified browser session and cleans up resources. Call this when done with a session.

EXECUTE 3 tools

Execute execute_instruction Executes a natural language instruction in an active browser session. Use `task` for the main instruction. ... Execute start_session Starts and initializes a new browser session controlled by Nova Act, navigating to the specified URL. Retur... Execute compress_logs Compresses Nova Act log files to reduce size while preserving important information. Optionally extracts em...

// FAQ

How many tools does the Nova Act MCP server have? +

The Nova Act MCP server exposes 9 tools across 3 categories: Read, Destructive, Execute.

How do I enforce policies on Nova Act tools? +

Route the Nova Act server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Nova Act tools fall into? +

Nova Act tools are categorised as Read (5), Destructive (1), Execute (3). Each category has a recommended default policy.

Enforce policy on every Nova Act tool call.

Start from Nova Act, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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