io.github.mrfentmen/cartesia-mcp
cartesia-mcp
Query the Cartesia API: voice list, localized voices, and speech synthesis.
alive probed 2026-10-21
3tools
≈ 227tokens, estimate
≈ 0.1 %of Claude's 200k window
0.2×the median server
382 msto initialize
10 msto list tools
- Run it
- npx -y cartesia-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- cartesia-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ <0.1 % of a 1M context window, estimate
- Repository
- https://github.com/mrfentmen/premium-mcps
- Registry
- active, updated 2026-10-17 · registry entry
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| synthesize_speech | 103 | 45 % |
| list_voices | 62 | 27 % |
| get_voice | 62 | 27 % |
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.