Firefox Tab Management Agent MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| FIREFOX_TABS_BRIDGE_PORT | No | The port number on which the Firefox extension bridge listens. Defaults to 8765. | 8765 |
| FIREFOX_TABS_BRIDGE_TOKEN | Yes | The shared secret token used to authenticate the MCP server with the Firefox extension. This should match the token configured in the extension. |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| get_firefox_bridge_status | Check whether the local Firefox extension is connected to this MCP server. |
| list_firefox_tabs | List Firefox tabs with stable IDs, exact URLs, titles, window IDs, and current group IDs. |
| list_firefox_tab_groups | List Firefox tab groups, optionally restricted to one window ID. |
| open_firefox_tab | Open an explicit http:// or https:// URL in Firefox, inactive by default, and return the verified tab ID and window ID. |
| create_firefox_tab_group | Create a new, exactly titled Firefox group from one or more ungrouped tabs in the same window, then verify every tab. Fails if an exact group already exists. |
| move_firefox_tab_to_group | Move one exactly identified Firefox tab into an existing, exactly named group in the same window and verify the result. Ambiguous matches fail safely. |
| ungroup_firefox_tab | Remove one exactly identified Firefox tab from its current group and verify the result. |
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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