io.github.shibbirweb/sendmock
SendMock
Is the SendMock MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-15.
Test email, SMS, payments and webhooks locally: read messages, OTPs and webhook deliveries.
alive probed 2026-11-15
109tools
26ktokens in Claude Opus 5.5
12.8 %of Claude's 200k window
10×the median server
114 msto initialize
33 msto list tools
- Run it
- npx -y sendmock@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sendmock 1.0.0
- Capabilities
- prompts, resources, tools
- Instructions
- 378 characters
- Of a 1M window
- 2.6 % of a 1M context window
- Count
- 26k tokens in Claude Opus 5.5, exact, measured 2026-11-15. With the Claude Code prefix mcp__…__ on each tool name: 27k. The o200k_base estimate is 14k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/shibbirweb/sendmock
- Website
- https://shibbirweb.github.io/sendmock/
- Registry
- active, updated 2026-11-15 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.82×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| sendmock_sms_provider_update | 1 059 | 582 | 4 % |
| sendmock_email_provider_update | 1 059 | 582 | 4 % |
| sendmock_webhook_endpoint_create | 1 052 | 578 | 4 % |
| sendmock_webhook_endpoint_update | 668 | 367 | 3 % |
| sendmock_sms_simulate_inbound | 597 | 328 | 2 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- StillOnline io.github.shenwell/stillonline · alive
- Uwarp io.github.sherotree/uwarp-mcp · alive
- Databases (read-only, switchable) io.github.shibbirweb/mcp-db-read-only · alive
- MySQL (read-only, switchable) io.github.shibbirweb/mcp-mysql-read-only · alive
- ShieldFive io.github.shieldfive/mcp · needs env
- io.github.shieldly-io/mcp · alive
- Godot MCP io.github.shin2344234/godot-mcp · alive
- io.github.shinpr/mcp-image · alive
Servers that mention deliveries or messages.
- AgentDM: Agent to Agent Communication Platform ai.agentdm/agentdm · needs auth
- OneLore ai.onelore/lore · needs auth
- Salt ai.saltapp/salt · needs auth
- ai.waystation/gmail · paid (402)
- ai.waystation/slack · paid (402)
- ai.smithery/afgong-sqlite-mcp-server · not found
- app.allagents/directory · alive
- ai.smithery/arjunkmrm-py-test-2 · not found
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
- This server is in the heaviest 10 % of the registry. Shorter descriptions, fewer optional parameters and fewer tools cut the cost. The command npx mcpcost --url <endpoint> --tools 50 lists every tool with its cost.