Relay MCP Server
by reservoirprotocolio.github.relayprotocol/relay-mcpv0.1.1
Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.
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security
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cold start
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freshness
Stale7mo ago
Install Relay MCP server
Install in Claude Code
claude mcp add relay-reservoirprotocol -e RELAY_API_KEY='<relay-api-key>' -- npx -y @relayprotocol/relay-mcpInstall in Cursor
{
"mcpServers": {
"relay-reservoirprotocol": {
"command": "npx",
"args": [
"-y",
"@relayprotocol/relay-mcp"
],
"env": {
"RELAY_API_KEY": "<relay-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"relay-reservoirprotocol": {
"command": "npx",
"args": [
"-y",
"@relayprotocol/relay-mcp"
],
"env": {
"RELAY_API_KEY": "<relay-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"relay-reservoirprotocol": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@relayprotocol/relay-mcp"
],
"env": {
"RELAY_API_KEY": "<relay-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"relay-reservoirprotocol": {
"command": "npx",
"args": [
"-y",
"@relayprotocol/relay-mcp"
],
"env": {
"RELAY_API_KEY": "<relay-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| RELAY_API_KEY | — | yes | Optional API key for higher rate limits |
| RELAY_API_URL | — | — | Relay API base URL (default: https://api.relay.link) |
Freshness
Stale — last maintenance signal 7mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-03-10 · 7mo ago · official registry · v0.1.1
FAQ
›How do I install the Relay MCP server in Claude Code?
Run: claude mcp add relay-reservoirprotocol -e RELAY_API_KEY='<relay-api-key>' -- npx -y @relayprotocol/relay-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Relay require an API key?
Yes. It expects RELAY_API_KEY, of which 1 is a secret.
›Can I use Relay as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Relay in the official MCP registry?
Yes, as io.github.relayprotocol/relay-mcp.