io.github.codespar/mcp-sendgrid
mcp-sendgrid
MCP server for SendGrid — global transactional + marketing email (Twilio-owned)
alive probed 2026-10-19
20tools
≈ 2.3ktokens, estimate
≈ 1.1 %of Claude's 200k window
1.6×the median server
494 msto initialize
8 msto list tools
- Run it
- npx -y @codespar/mcp-sendgrid@0.2.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-sendgrid 0.2.1
- Capabilities
- tools
- Instructions
- 281 characters
- Of a 1M window
- ≈ 0.2 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/codespar/mcp-dev-latam
- Registry
- active, updated 2026-06-22 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| send_mail | 423 | 18 % |
| send_template | 194 | 8 % |
| cancel_scheduled_send | 140 | 6 % |
| get_stats | 136 | 6 % |
| add_contact | 128 | 6 % |
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 Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.