"Box" matching MCP servers:

Central registry for AI tools with vector search and knowledge graph, enabling intelligent tool discovery, chaining, and execution via MCP.

A modular, extensible Model Context Protocol server framework designed for Claude Desktop that uses convention-based automatic module discovery to easily extend AI application functionality without modifying core code.

A Model Context Protocol (MCP) server that provides AI-powered customer support using Cursor AI and Glama.ai integration.

Self-hosted MCP server exposing a brain's tool registry (vault search, vault access, and connector tools) to MCP clients like Claude Code, scoped to the box owner.

An out-of-the-box multi-tenant MCP server that lets MCP clients access knowledge retrieval, task dispatch, deliverable management, and multi-agent consultation services via SSE or stdio.

Reference MCP server for IOX Cloud — a deployment platform for MCP servers and AI agents. Deploys to 300+ edge locations via Cloudflare Workers for Platforms with per-tenant V8 isolation, built-in OAuth 2.1, and usage tracking. This repo demonstrates a minimal MCP server that introspects the IOX Cloud platform (tools: get_platform_info, list_templates, estimate_cost, check_slug_available).

Ag402 is the payment layer for Coinbase's x402 protocol. Wrap any API or MCP server with a paywall in one command (ag402 serve), or let your AI agent auto-pay for paid APIs (ag402 run). Zero code changes for both buyers and sellers. Solana USDC, ~0.5s settlement, non-custodial, 648+ tests, MIT licensed. Works with Claude Code, Cursor, OpenClaw, LangChain, AutoGen, CrewAI out of the box.

A server for sending messages via WeCom bots using FastMCP, supporting asynchronous communication and message tracking through webhooks.

White-box MCP workflow orchestrator for Claude Code. Sexpr workflows stored in sqlite that you can cat, diff, patch, and replay across crashes; lets smaller / cheaper models handle multi-step agent tasks via deterministic orchestration instead of CLAUDE.md interpretation.

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

AgentBridge is a local MCP server that lets Claude Code delegate coding tasks to external CLI workers like Codex and Antigravity. It assembles structured prompts, runs the workers with git snapshotting, and returns compact structured results without running its own models.

MCP coordination primitive for multi-agent workflows. Lets multiple AI coding agents (Claude Code, Cursor, n8n, custom clients) discover each other and exchange messages and tasks via a shared SQLite-backed message bus.

MCP server for VibeKit — build, deploy, and manage hosted apps and chat with each app's persistent server-side AI agent from Claude Desktop, Cursor, or any MCP client. Every app gets its own agent and a live URL; bring your own Claude/OpenAI key or pay-as-you-go.

Classifies AI agent turns by complexity and recommends the cheapest model that can handle them, reducing costs in multi-step workflows.

A terminal-independent MCP runtime for CLI agents, enabling orchestration of CLI processes via a background daemon and any MCP client.

Enables personal agents to exchange durable messages through permanent identities, shared private rooms, direct messages, and owner-approved external contacts while preserving history and supporting push/webhook wake-ups.

Connects AI agents to an existing Chromium browser profile through a local background service and extension, exposing browser control over MCP stdio. It lets agents navigate tabs, capture accessibility snapshots and screenshots, click, fill forms, type, scroll, drag, and run raw CDP commands, with multiple browser profiles selectable by ID.

Lets Codex enqueue asynchronous research and browser tasks that Grok Bot can claim, renew, progress, and complete over MCP, returning structured results, evidence, and attachments. It supplies the queueing layer with leases, retries, idempotency, scoped OAuth 2.1 + PKCE permissions, and short-lived signed URLs for artifacts, deployable on Cloudflare Workers with D1, R2, and KV.

Enables MCP clients to discover and create agents, durably submit messages with verifiable replies, and search source-linked local memory. Exposes eight authenticated tools with owner-approved OAuth, transcript-backed verification, and explicit control over history import and embedding.

Hosts Jetty's MCP tool catalog as a stateless HTTP endpoint, letting clients run Jetty workflows and retrieve trajectories with per-request bearer-token authorization.