com.topologyindex/topology-index
Topology Index
Reference for multi-agent LLM topologies: patterns, aliases, sources, starters; one gated report.
alive probed 2026-10-05 · HTTP 200
6tools
1.8ktokens in Claude Opus 5.5
1.8ktokens in Claude Code
0.9 %of a 200k context window
1.1ko200k_base estimate
697 msto initialize
882 msto list tools
- Endpoint
- https://topologyindex.com/mcp (streamable-http)
- Host
- topologyindex.com
- Protocol
- 2025-11-25
- Reports itself as
- topology-index 1.4.0
- Capabilities
- resources, tools
- Instructions
- 2 075 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://topologyindex.com/
- Registry
- active, updated 2026-09-23 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| list_patterns | 260 | 25 % |
| fetch | 183 | 17 % |
| search | 175 | 17 % |
| get_pattern | 159 | 15 % |
| report_outcome | 153 | 14 % |
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 13:48 | alive | 697 ms | 6 | 1.8k | 1.1k |
| 2026-10-05 00:22 | alive | 384 ms | 6 | 1.1k | |
| 2026-10-04 09:59 | alive | 713 ms | 6 | 1.1k | |
| 2026-10-04 07:52 | alive | 742 ms | 6 | 1.1k | |
| 2026-10-03 20:32 | alive | 519 ms | 6 | 1.1k | |
| 2026-10-03 17:50 | alive | 525 ms | 6 | 1.1k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.topologyindex/topology-index)
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.