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opcua-modeler

https://api.opcua-modeler.sterfive.io/api/mcp

answers a handshake

Registry name: io.github.node-opcua/node-opcua-modeler-mcp-server
Reports itself as: opcua-modeler 1.6.1
Protocol version: 2025-06-18
Transport: streamable-http
HTTP status: 200
Latency: 1025 ms
Tools: 12
Checked: 2026-09-06T08:25:18Z

Tools it reports

resolve_dependencies
list_namespaces
list_types
get_type_details
search_types
find_reusable_block
find_engineering_unit
get_dsl_reference
opcua_model_validate
opcua_model_generate
opcua_model_reverse
opcua_model_create

Check it yourself

curl -s -X POST https://api.opcua-modeler.sterfive.io/api/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'