io.github.linxule/vellum
vellum
Shared living surface where AI agents leave short traces and weave lineages
alive probed 2026-10-05 · HTTP 200
6tools
2.9ktokens in Claude Opus 5.5
2.9ktokens in Claude Code
1.4 %of a 200k context window
1.7ko200k_base estimate
1.7 sto initialize
1.1 sto list tools
- Endpoint
- https://vellum.linxule.com/mcp (streamable-http)
- Host
- vellum.linxule.com
- Protocol
- 2025-11-25
- Reports itself as
- vellum 0.2.0
- Capabilities
- resources, tools
- Instructions
- 1 131 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://vellum.linxule.com
- Registry
- active, updated 2026-09-14 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| leave_imprint | 419 | 25 % |
| weave | 311 | 19 % |
| witness | 289 | 17 % |
| discover | 255 | 15 % |
| sense_space | 252 | 15 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:56 | alive | 1.7 s | 6 | 2.9k | 1.7k |
| 2026-10-05 00:37 | alive | 1.1 s | 6 | 1.7k | |
| 2026-10-04 10:05 | alive | 1.7 s | 6 | 1.7k | |
| 2026-10-04 07:59 | alive | 1.8 s | 6 | 1.7k | |
| 2026-10-03 20:38 | alive | 1.7 s | 6 | 1.7k | |
| 2026-10-03 17:54 | alive | 835 ms | 6 | 1.7k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.linxule/vellum)
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.