Arc Browser MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| ARC_MCP_ENABLE_JAVASCRIPT | No | Set to '1' to enable the arc_execute_javascript tool. | 0 |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| logging | {} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| extensions | {
"io.modelcontextprotocol/ui": {}
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| arc_get_overviewA | Get compact Arc inventory, counts, source health, and live context when available. |
| arc_query_tabsB | List, filter, and search Arc tabs using the fast local Arc index. |
| arc_get_tabA | Get a full normalized Arc tab record by explicit tab id. |
| arc_get_sidebar_treeA | Get Arc Space, pinned, unpinned, and folder hierarchy. |
| arc_search_historyC | Search Arc Chromium history snapshots across local profiles. |
| arc_analyze_tabsA | Analyze Arc tabs for duplicates, stale tabs, junk candidates, and missing URLs. |
| arc_create_tabC | Create a new Arc tab in an explicit Space and return its verified tab id. |
| arc_focus_spaceB | Focus an Arc Space by explicit id. This changes visible Arc state. |
| arc_select_tabB | Select an Arc tab by explicit id. This changes visible Arc state. |
| arc_open_urlB | Navigate a specific Arc tab, or the active tab when explicitly omitted. |
| arc_reload_tabsA | Reload one or more Arc tabs by explicit tab id. |
| arc_close_tabsA | Close one or more Arc tabs by explicit tab id. Use dry_run to preview. |
| arc_execute_javascriptB | Execute JavaScript in an Arc tab. Disabled unless ARC_MCP_ENABLE_JAVASCRIPT=1. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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