io.github.OpenWeb-Ninja/openwebninja-mcp
openwebninja
Official MCP server for OpenWeb Ninja APIs - 40+ real-time web data and SERP APIs as MCP tools
alive probed 2026-10-14
42tools
15ktokens in Claude Opus 5.5
16ktokens in Claude Code
7.5 %of a 200k context window
8.7ko200k_base estimate
353 msto initialize
8 msto list tools
- Run it
- npx -y @openwebninja/mcp-server@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- openwebninja 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/OpenWeb-Ninja/openwebninja-mcp
- Website
- https://www.openwebninja.com
- Registry
- active, updated 2026-06-04 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| realtime_amazon_data | 543 | 6 % |
| local_business_data | 454 | 5 % |
| realtime_finance_data | 401 | 5 % |
| realtime_zillow_data | 318 | 4 % |
| trustpilot_company_and_reviews | 296 | 3 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.OpenWeb-Ninja/openwebninja-mcp)
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.