io.github.mrfentmen/plain-mcp
plain-mcp
Query the Plain GraphQL API: customers, threads, thread details.
alive probed 2026-10-14
3tools
343tokens in Claude Opus 5.5
376tokens in Claude Code
0.2 %of a 200k context window
185o200k_base estimate
255 msto initialize
34 msto list tools
- Run it
- npx -y plain-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- plain-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/premium-mcps
- Registry
- active, updated 2026-10-01 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| list_customers | 62 | 34 % |
| get_thread | 62 | 34 % |
| list_threads | 61 | 33 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.mrfentmen/plain-mcp)
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.