io.github.relayprotocol/relay-mcp
Relay
Is the Relay MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.
alive probed 2026-11-14 · unchanged since 2026-10-30
- Run it
- npx -y @relayprotocol/relay-mcp@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- relay-mcp 0.1.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.0k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 3.1k. The o200k_base estimate is 1.7k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/reservoirprotocol/relay-mcp
- Website
- https://relay.link
- Registry
- active, updated 2026-03-10 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.76×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| get_relay_app_url | 579 | 329 | 19 % |
| get_swap_quote | 514 | 292 | 17 % |
| get_bridge_quote | 467 | 265 | 15 % |
| estimate_fees | 405 | 230 | 13 % |
| get_supported_tokens | 336 | 191 | 11 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 1 other server
These registry entries have the same tool names and the same schema sizes.
- io.github.reservoirprotocol/relay-mcp npmjs.com
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.ref-tools/ref-tools-mcp · alive
- io.github.refgrow/mcp · needs env
- io.github.rehmansherazi/syncbridge-mcp · alive
- io.github.rekordcloud/sonovault · alive
- Reliant Forge io.github.reliant-labs/forge · needs network
- Rel-Time Protocol (Bitcoin & VDF Provenance) io.github.relsun369-dev/rel-time · alive
- io.github.remoas/appstore-screenshots · alive
- io.github.remoprinz/swiss-health-mcp · alive
Servers that mention relay.
- ai.orgsdk/mcp · no DNS
- PigeonRelay ai.pigeonrelay/pigeonrelay · needs auth
- Relaystation ai.relaystation/relaystation · alive
- app.allagents/directory · alive
- France Logistics (buy Mondial Relay + more labels + tracking via Shippo) app.wishpool/france-logistics-mcp · no DNS
- Uruguay Invoices (DGI e-Factura CFE, merchant-signed SOAP relay) app.wishpool/uruguay-invoice-mcp · no DNS
- Agent Email List — Free SMTP Relay for AI Agents com.agentemaillist.ai/free-transactional-email-smtp-relay · alive
- AlfaNest Relay com.alfanestlabs/relay · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.