io.github.ozten/cantrip
mcp-server-cantrip
MCP server for Cantrip — AI-powered GTM engine for solo founders
alive probed 2026-10-19
19tools
≈ 2.5ktokens, estimate
≈ 1.2 %of Claude's 200k window
1.7×the median server
330 msto initialize
13 msto list tools
- Run it
- npx -y mcp-server-cantrip@1.0.5 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-server-cantrip 1.0.5
- Capabilities
- tools
- Instructions
- 59 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/ozten/mcp-server-cantrip
- Registry
- active, updated 2026-03-09 · 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 |
|---|---|---|
| cantrip_entity_add | 443 | 18 % |
| cantrip_init | 227 | 9 % |
| cantrip_entity_edit | 220 | 9 % |
| cantrip_project | 187 | 8 % |
| cantrip_snapshot | 168 | 7 % |
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.