dev.sipflow/sipflow
Sipflow
SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.
alive probed 2026-10-05 · HTTP 200
22tools
20ktokens in Claude Opus 5.5
20ktokens in Claude Code
10.0 %of a 200k context window
12ko200k_base estimate
1.1 sto initialize
176 msto list tools
- Endpoint
- https://mcp.sipflow.dev/mcp (streamable-http)
- Host
- mcp.sipflow.dev
- Protocol
- 2025-11-25
- Reports itself as
- sipflow 0.2.0
- Capabilities
- completions, resources, tools
- Instructions
- 6 084 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cmendes0101/sipflow-cursor-plugin
- Website
- https://www.sipflow.dev
- Registry
- active, updated 2026-05-14 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search_sip_docs | 1 188 | 10 % |
| dns_diagnose_sip_target | 1 071 | 9 % |
| submit_sipflow_feedback | 1 031 | 9 % |
| render_sip_ladder | 916 | 8 % |
| fetch_sipflow_share | 695 | 6 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:00 | alive | 1.1 s | 22 | 20k | 12k |
| 2026-10-05 00:24 | alive | 908 ms | 22 | 12k | |
| 2026-10-04 10:00 | alive | 967 ms | 22 | 12k | |
| 2026-10-04 07:53 | alive | 1.2 s | 22 | 12k | |
| 2026-10-03 20:33 | alive | 1.6 s | 22 | 12k | |
| 2026-10-03 17:50 | alive | 838 ms | 22 | 12k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.sipflow/sipflow)
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.