io.github.scarletkc/perenna
Perenna
A lightweight, Git-backed permanent memory for AI agents.
alive probed 2026-10-15
3tools
0.3 %of a 200k context window
546tokens, o200k_base estimate
3.9 sto initialize
7 msto list tools
- Run it
- uvx perenna==0.4.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- Perenna 0.4.1
- Capabilities
- tools
- Instructions
- 764 characters
- Claude count
- The count_tokens endpoint refused the tool schemas: tools.1.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
- Repository
- https://github.com/scarletkc/Perenna
- Registry
- active, updated 2026-08-28 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| memory_write | 291 | 53 % |
| memory_read | 168 | 31 % |
| memory_delete | 87 | 16 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.scarletkc/perenna)
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.