io.github.gitHubDujianfeng/duke-book
duke-book
Manage Duke Bookmark notes, categories, and plan-enabled knowledge search over MCP.
alive probed 2026-10-19
10tools
≈ 852tokens, estimate
≈ 0.4 %of Claude's 200k window
0.6×the median server
424 msto initialize
24 msto list tools
- Run it
- npx -y duke-book@0.1.5 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- duke-book 0.1.5
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ <0.1 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/gitHubDujianfeng/duke-book
- Registry
- active, updated 2026-07-28 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| duke_create_note | 147 | 17 % |
| duke_update_note | 134 | 16 % |
| duke_search_notes | 126 | 15 % |
| duke_search_knowledge | 80 | 9 % |
| duke_create_category | 76 | 9 % |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.