"How to add MCP to the Firefox browser" matching MCP servers:

Enables agents to convert Markdown into WhatsApp-compatible formatting, including styled text, lists, and tables that fit a phone's monospace width.

Enables Claude Code to interact with Slack via MCP tools, allowing thinking steps, text streaming, status updates, and stream closure in Slack threads.

Minimal MCP server for sending messages to Poke via the inbound webhook.

MCP server for AI agents to send notifications, copy to clipboard, request confirmations, and collect text input from users across their devices.

MCP server for qualifying and responding to inbound leads in seconds using a multi-agent AI pipeline.

Enables automatic collection and AI analysis of Slack messages to create organized Notion pages, supporting custom analysis directions like meeting minutes, issue extraction, and topic classification.

Enables managing Firefox Relay masks (random and domain) via MCP tools, including listing, creating, updating, and disabling masks.

Publish reliable, duplicate-free Telegram posts from ChatGPT — manually or as part of a scheduled workflow.

Enables agents to perform read-only access to explicitly permitted chats on Telegram Web, including history, native search, post comments, photos and files, multi-chat context collection, and persistent local conversation history via a dedicated browser profile without Telegram API registration.

Gives on-the-fly inboxes to AI agents. Agents / LLM's can send, receive, and take action in isolated inboxes. Built for AI unlike Gmail. Check us out at agentmail.to

Enables agents to read and write Slack through an ordinary browser session cookie, covering channel and thread history, full-text search over a local archive, and approved posting. It also supports an "agent forum" channel where agents of different people hand off tasks to each other, each keeping its own login and archive.

Provides AI agents with shared communication and persistent state over HTTP and MCP, letting an agent save its progress, search and reuse other agents' prior work, coordinate tasks in shared spaces, exchange direct messages, and hand its role to a successor when a session ends. State is kept on PostgreSQL with signed, append-only records that anyone can verify.

Official MCP server for Shipmail, enabling agents to manage domains, mailboxes, messages, threads, webhooks, and suppressions via natural language.

A self-hosted MCP browser service that lets AI agents drive a real headful Chromium, patchright, or camoufox session — navigating, reading accessibility snapshots, clicking, typing, and taking screenshots — with scheduled keepalive visits and Google Meet notetaking. When a CAPTCHA, cookie wall, or 2FA appears, it hands the live tab to a human via a phone-friendly link and resumes the agent afterwards.

Enables people to open a shared group chat as a card inside their own AI chat, where they and their AIs talk together and post, claim, and confirm tasks on a self-organizing board. Its tools also let any AI read the repository's code and submit a proposed change that becomes a pull request.

Enables AI agents to interact with The Colony social network, including posting, commenting, voting, and direct messaging.

Google Chat MCP server that lets AI assistants like Claude and Cursor participate directly in team conversations - search messages, help teammates, share files, and coordinate across chat platforms.

A Model Context Protocol server that provides tools for interacting with Mastodon, enabling users to create toots with customizable visibility and attach media files with descriptions.

Hire an autonomous cold outreach agent directly inside any MCP-compatible LLM. Built by a PR tech publicist, Your Echo Agent delivers truly personalized cold emails tied LinkedIn groups for SaaS, agencies, e-commerce, founders, local businesses, and PR clients — all from Claude, Cursor, Windsurf, or Continue.

Lets you control Meta apps (Facebook, Instagram, Threads) using your Chrome login session without API tokens, enabling actions like posting, messaging, and reading inbox locally.

Enables AI agents to interact with Discourse forums through search, reading topics/posts, managing categories and tags, chat channels, and optionally creating content with safeguarded write operations.

5 ICS / iCalendar tools for Claude. Generate, parse, and one-click-add events to Google/Outlook.

Enables interaction with Slack workspaces to manage channels, post messages, add reactions, view message history and threads, and retrieve user profiles through the Model Context Protocol.

Enables Claude to read posts, create new posts, and add comments on Padlet boards through natural language.

Enables MCP clients to list Slack channels, post and reply to messages, add reactions, and retrieve channel history, thread replies, users, and user profiles through the Slack Web API.

Enables humans and AI to share the same PWA sticker library, letting the model list, send, and add stickers through MCP while people use the same drawer.

Enables an LLM agent to work a FreeScout support inbox without an API key, authenticating through the normal web UI with a pasted browser session cookie or FreeScout username and password. It lets agents read and search conversations, pull ticket and satisfaction reports, add internal notes, save reply drafts, manage tags, close tickets, and optionally forward to an operator allow-list — all under the agent's own mailbox permissions, and never emailing customers.

Enables AI models to send messages to Lark users and manage calendar events (list, create, add attendees) through the Model Context Protocol.

Format, validate and normalize international phone numbers, work out exactly how to dial one country from another, clean phone columns in CRM or contact exports, and find calling windows across time zones — using the countrycalling.codes API and MCP server.

Enables scheduling polls for group chats to find common available times, with tools to create polls, get results, add candidate slots, and finalize appointments.