io.github.node-opcua/node-opcua-modeler-mcp-server
OPC UA Modeler
io.github.node-opcua/node-opcua-modeler-mcp-server costs 1 488 tokens of context per session. It has 12 tool definitions. That is 0.7 % of a 200k window. Measured 2026-10-03.
OPC UA companion spec types, namespace dependencies, and engineering units for AI agents
alive probed 2026-10-03 · HTTP 200
12tools
1.5ktokens for the tool definitions
0.7 %of a 200k context window
2.2 sto initialize
134 msto list tools
- Endpoint
- https://api.opcua-modeler.sterfive.io/api/mcp (streamable-http)
- Host
- api.opcua-modeler.sterfive.io
- Protocol
- 2025-11-25
- Reports itself as
- opcua-modeler 1.6.1
- Capabilities
- tools
- Instructions
- none
- Repository
- https://github.com/node-opcua/node-opcua-modeler-mcp-server
- Website
- https://opcua-modeler.sterfive.io
- Registry
- active, updated 2026-08-27 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| find_reusable_block | 175 | 12 % |
| opcua_model_reverse | 167 | 11 % |
| get_type_details | 163 | 11 % |
| opcua_model_create | 153 | 10 % |
| opcua_model_generate | 145 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:39 | alive | 2.2 s | 12 | 1.5k |
| 2026-10-03 17:54 | alive | 243 ms | 12 | 1.5k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.node-opcua/node-opcua-modeler-mcp-server)