"Two agents working simultaneously" matching MCP servers:

Enables agents to list CalDAV calendars, query events by time range, and create, update, or delete events while keeping credentials in environment variables and never exposing passwords in responses.

MCP server that enables AI agents to autonomously buy virtual phone numbers and receive SMS verification codes. Supports multiple providers (5sim, SMS-Activate, OnlineSim) with automatic cheapest-provider selection.

Enables AI agents to manage n8n workflow automation instances through tools for workflow CRUD operations, execution monitoring, and webhook triggering. It facilitates programmatic interaction with n8n instances via the n8n API with AI-optimized descriptions and error handling.

Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

Enables any AI agent to perceive and control a Windows desktop through live screen capture, OCR, and safety-gated mouse/keyboard actions via a local HTTP API and MCP.

Well-designed PDFs from a single prompt. Describe what you need, get a professional document.

Gives your AI assistant full control of a Discord server: 148 tools for chat, moderation, automod, events, and administration, up to building a complete community server from one paragraph. Every destructive action previews first and waits for your confirmation.

Connects an MCP assistant to the PicPrep desktop app, letting it open and inspect photo projects, view slides and tabs, ask the user questions, and propose changes that the user alone keeps or rejects. It runs locally over 127.0.0.1 and starts the app on demand, so nothing leaves the computer.

Enables AI agents to build and operate HubSpot revenue operations work — workflows, lists, campaigns, sequence enrollments, owner reassignments, and record deletion — with read, build (switched off), and commit actions gated by preview-then-approve. Every write is read back from the live system and reported as verified only when the change is actually present.

Fullrun is an AI agent that manages Google Ads for you. It monitors your campaigns around the clock, diagnoses problems, adjusts bids, adds missing ad extensions, pauses wasteful keywords, and creates new campaigns all autonomously.

MCP server that connects Claude Code to Slack, allowing two-way communication via Slack Socket Mode without tunnels.

Document signing for AI agents. Send markdown or PDF for two-party e-signing with a single tool call — handles PDF generation, email verification, and SHA-256 certified delivery.

Enables execution of Go code in the Go Playground sandbox and generation of shareable URLs for code snippets. Provides tools to run Go code, share code via URLs, or perform both operations simultaneously.

Enables AI agents to manage Mochi.cards flashcards, including browsing decks, searching cards, and creating/updating/deleting cards with safety features like two-phase commits and typed confirmations.

Provides tools for working with iOS Localizable.xcstrings files, enabling automated translation workflows and localization management for iOS/macOS projects using Xcode String Catalogs.

A simple TypeScript MCP server that provides two tools: one for greeting users with a customizable name and another for adding two numbers together.

A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

Enables AI agents to create, manage, and monitor two-way data syncs between platforms like Airtable, Webflow, HubSpot, Salesforce, Notion, and Postgres, including mapping fields, running syncs, and troubleshooting record-level issues.

Enables Claude to query and read across multiple Gmail accounts simultaneously through one connector, searching with Gmail syntax, fetching full threads, and creating drafts without ever sending. It also supports scheduled routines that scan all accounts for deadlines and notify the owner via WhatsApp webhooks.

Enables AI applications to automate your existing browser using your logged-in profile. Provides fast, private browser automation that avoids bot detection by working with your real browser fingerprint.