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Johnnyzlee

Firefox Tab Management Agent MCP

by Johnnyzlee

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
FIREFOX_TABS_BRIDGE_PORTNoThe port number on which the Firefox extension bridge listens. Defaults to 8765.8765
FIREFOX_TABS_BRIDGE_TOKENYesThe 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

CapabilityDetails
tools
{
  "listChanged": true
}

Tools

Functions exposed to the LLM to take actions

NameDescription
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

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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