"Relay" matching MCP servers:

• relay

  stxkxs

  A

  license

  -

  quality

  C

  maintenance

  Enables AI agents to operate a US power-grid data pipeline – ingest, plan, run, and monitor datasets like CAISO, ERCOT, and EIA-930 through MCP tools that mirror the CLI.

  Last updated 2026-07-13

  Apache 2.0

• Relay

  adarshp14

  A

  license

  -

  quality

  B

  maintenance

  Enables AI agents to access a unified catalog of tools from various APIs (OpenAPI, GraphQL, MCP, Google Discovery) through the MCP protocol.

  Last updated 2026-06-29

  MIT

• peer-relay

  jmgomezl

  A

  license

  -

  quality

  C

  maintenance

  A message relay MCP server enabling two separate Claude Code instances to exchange direct questions and answers asynchronously without sharing context.

  Last updated 2026-06-22

  7

  MIT

• Claude Relay

  gvorwaller

  A

  license

  -

  quality

  B

  maintenance

  Enables real-time communication between Claude Code instances across multiple machines via WebSocket, allowing context sharing, task handoffs, and coordination between sessions.

  Last updated 2026-07-22

  173

  3

  MIT

• Relay MCP Server

  relayprotocol

  A

  license

  A

  quality

  C

  maintenance

  Provides cross-chain bridge and swap tools for AI agents using the Relay Protocol to interact with multiple blockchain networks. It enables agents to query supported chains, obtain transaction quotes, and generate unsigned transaction data for token transfers and swaps.

  Last updated 2026-06-29

  10

  40

  3

  MIT
• 

  pan-mcp-relayofficial

  PaloAltoNetworks

  F

  license

  -

  quality

  D

  maintenance

  Security-enhanced MCP Relay/Proxy server providing real-time AI threat protection for MCP Clients, scanning tool descriptions, call parameters, and responses for threats like prompt injections and malicious URLs.

  Last updated 2026-01-27

  33

• bot-relay-mcp

  Maxlumiere

  A

  license

  -

  quality

  A

  maintenance

  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.

  Last updated 2026-07-25

  639

  3

  MIT

• evc-team-relay-mcp

  entire-vc

  A

  license

  A

  quality

  A

  maintenance

  Read, search, and write Obsidian vault notes via Team Relay collaborative server. Supports shared folders, real-time sync, and AI agent access.

  Last updated 2026-07-25

  8

  3

  MIT

• Relay Protocol MCP Server

  warengonzaga

  A

  license

  A

  quality

  C

  maintenance

  Enables cross-chain bridging, multi-chain token swaps, and real-time pricing across over 50 blockchain networks using the Relay Protocol REST API. It allows users to browse thousands of tokens, generate quotes, and monitor transaction status directly through natural language.

  Last updated 2026-02-11

  9

  1

  MIT

• Playground MCP

  bugoms

  F

  license

  -

  quality

  C

  maintenance

  MCP server for Korean content mini-games, enabling AI agents to host and participate in quote guessing, word relay, actor relay, balance games, and daily challenges.

  Last updated 2026-07-12
• 

  persistenceone-bridgekittyofficial

  persistenceOne

  A

  license

  A

  quality

  B

  maintenance

  Cross-chain bridge aggregator MCP server for AI agents. Compares routes across LI.FI, deBridge, Relay, Across and Squid to find the best rate. Use when an agent needs to bridge or swap tokens between EVM chains, Solana, or Cosmos. The aggregator of aggregators.

  Last updated 2026-06-16

  12

  95

  MIT
• 

  pipepieofficial

  pipepie

  A

  license

  A

  quality

  C

  maintenance

  Self-hosted webhook relay and tunnel with Noise NK encryption. Inspect requests, replay webhooks, trace AI pipelines, connect/disconnect tunnels — 13 MCP tools. No tokens or passwords needed.

  Last updated 2026-04-02

  13

  8

  AGPL 3.0

• mcpx

  rmednitzer

  A

  license

  B

  quality

  B

  maintenance

  A Model Context Protocol server for complete shell and SSH mastery, enabling command execution, interactive sessions, file transfer, and port forwarding with auditing and policy controls.

  Last updated 2026-07-20

  18

  1

  Apache 2.0

• MCP-to-MCP Tic-Tac-Toe

  PsychoSmiley

  A

  license

  B

  quality

  D

  maintenance

  Enables two LLMs to play Tic-Tac-Toe against each other autonomously using a shared tool and an SSE relay. The server facilitates agent-to-agent communication by holding tool responses until the opponent makes a move, managing the game state in real-time.

  Last updated 2026-03-17

  1

  Apache 2.0

• MCP Dota 2 Match Analysis

  DeepBlueCoding

  A

  license

  -

  quality

  B

  maintenance

  FastMCP server for Dota 2 match analysis using replay files and OpenDota API, with built-in coaching instructions for LLMs.

  Last updated 2026-06-07

  2

  MIT

• BATON

  vinsenzo83

  A

  license

  -

  quality

  B

  maintenance

  Connect any AI session to any other across models, machines, and people with one code. Enables relay, handoff, and verification of session contexts.

  Last updated 2026-07-14

  363

  MIT

• autotest_iot

  liuyuyan6100

  F

  license

  -

  quality

  B

  maintenance

  MCP server that exposes hardware automation tools (build, flash, serial capture, symbolization, relay control) for ESP32-S3 boards, with board-level concurrency locks and remote access.

  Last updated 2026-06-15

• AccelMCP

  t-ogawa-dev

  F

  license

  -

  quality

  B

  maintenance

  An MCP server with HTTP/stdio support, a web admin panel for managing services, capabilities, and user permissions with Bearer token authentication, enabling relay and access control for MCP tools.

  Last updated 2026-06-24

• mood-radio-mcp

  coldmans

  F

  license

  -

  quality

  B

  maintenance

  Enables users to anonymously share and pass along songs with messages in mood-based rooms, and view community-featured radio feeds, relay chains, and charts.

  Last updated 2026-07-05