io.github.friendlygeorge/resend-mcp-server
resend
MCP server for Resend — transactional email API for AI assistants...
alive probed 2026-10-15
10tools
2.0ktokens in Claude Opus 5.5
2.1ktokens in Claude Code
1.0 %of a 200k context window
1.1ko200k_base estimate
330 msto initialize
12 msto list tools
- Run it
- npx -y @supernova123/resend-mcp-server@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- resend 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/friendlygeorge/resend-mcp-server
- Registry
- active, updated 2026-06-06 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| send_email | 284 | 26 % |
| create_api_key | 139 | 13 % |
| create_contact | 135 | 12 % |
| create_domain | 118 | 11 % |
| list_contacts | 99 | 9 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.friendlygeorge/resend-mcp-server)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.