io.github.Portaltocoding/second-brain-mcp
second-brain
Second brain en Obsidian: notas, conceptos como nodos, resurfacing y salud del grafo. En castellano.
alive probed 2026-10-15
13tools
3.1ktokens in Claude Opus 5.5
3.3ktokens in Claude Code
1.6 %of a 200k context window
1.7ko200k_base estimate
470 msto initialize
15 msto list tools
- Run it
- npx -y @toportal/second-brain-mcp@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- second-brain 0.1.0
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Portaltocoding/second-brain-mcp
- Registry
- active, updated 2026-07-12 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| nota_permanente | 237 | 14 % |
| resurgir | 228 | 13 % |
| nota_enlazar | 154 | 9 % |
| mini_promover | 147 | 8 % |
| mini_nota | 136 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Portaltocoding/second-brain-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.