io.github.ofershap/npm-search
mcp-server-npm
npm search MCP — find packages, view details, compare, check downloads.
alive probed 2026-10-19
6tools
≈ 482tokens, estimate
≈ 0.2 %of Claude's 200k window
0.3×the median server
388 msto initialize
12 msto list tools
- Run it
- npx -y mcp-server-npm-search@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-server-npm 0.1.0
- 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/ofershap/mcp-server-npm
- Registry
- active, updated 2026-03-10 · 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 |
|---|---|---|
| npm_downloads | 95 | 20 % |
| npm_versions | 89 | 18 % |
| npm_search | 85 | 18 % |
| npm_compare | 82 | 17 % |
| npm_info | 69 | 14 % |
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.