io.github.AndyLiu0427/msglens
MsgLens
Read Outlook .msg, .eml and winmail.dat files locally: headers, body and attachments.
alive probed 2026-10-14
3tools
701tokens in Claude Opus 5.5
725tokens in Claude Code
0.4 %of a 200k context window
410o200k_base estimate
107 msto initialize
3 msto list tools
- Run it
- npx -y msglens-cli@0.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- msglens 0.2.1
- Capabilities
- tools
- Instructions
- 172 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/AndyLiu0427/msglens
- Website
- https://msglens.app
- Registry
- active, updated 2026-10-02 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| read_email | 149 | 36 % |
| convert_email | 132 | 32 % |
| save_attachments | 129 | 31 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.AndyLiu0427/msglens)
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.