dev.workers.cybermax-tools.cybermax/deltawren
Deltawren
Daily data feeds MCP: CISA KEV+EPSS, SEC Form 4, 10-K sections, domain ranks. Keys $19/mo.
alive probed 2026-10-11 · HTTP 200
2tools
231tokens in Claude Opus 5.5
249tokens in Claude Code
0.1 %of a 200k context window
120o200k_base estimate
572 msto initialize
210 msto list tools
- Endpoint
- https://deltawren.cybermaxtools.com/mcp?via=mcp-registry (streamable-http)
- Host
- deltawren.cybermaxtools.com
- Protocol
- 2025-11-25
- Reports itself as
- deltawren 1.0.0
- Capabilities
- tools
- Instructions
- 196 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-10. Counted again when the tool definitions change. Method.
- Website
- https://cybermaxtools.com/store/deltawren-api/?s=mcp-registry-deltawren
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| feed_changes | 77 | 64 % |
| feed_list | 43 | 36 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-11 10:19 | alive | 228 ms | 2 | 231 | 120 |
| 2026-10-10 10:10 | alive | 572 ms | 2 | 231 | 120 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.cybermax-tools.cybermax/deltawren)
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.