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OPC UA NodeSet Gate

R0· no sign-in

Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.

v0.1.3 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality75good
Trust94of 100
Uptime, 30 days99%
Latency p50365 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "opc-ua-nodeset-compatibility-gate": {
      "type": "http",
      "url": "https://nodeset.regevidencehub.com/mcp"
    }
  }
}
claude mcp add --transport http opc-ua-nodeset-compatibility-gate https://nodeset.regevidencehub.com/mcp
[mcp_servers.opc-ua-nodeset-compatibility-gate]
url = "https://nodeset.regevidencehub.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "opc-ua-nodeset-compatibility-gate": {
      "type": "remote",
      "url": "https://nodeset.regevidencehub.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "opc-ua-nodeset-compatibility-gate": {
      "type": "http",
      "url": "https://nodeset.regevidencehub.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=opc-ua-nodeset-compatibility-gate&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbm9kZXNldC5yZWdldmlkZW5jZWh1Yi5jb20vbWNwIn0%3D"
}
{
  "servers": {
    "opc-ua-nodeset-compatibility-gate": {
      "type": "http",
      "url": "https://nodeset.regevidencehub.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "opc-ua-nodeset-compatibility-gate": {
      "httpUrl": "https://nodeset.regevidencehub.com/mcp"
    }
  }
}
extensions:
  "opc-ua-nodeset-compatibility-gate":
    enabled: true
    name: "opc-ua-nodeset-compatibility-gate"
    type: streamable_http
    uri: "https://nodeset.regevidencehub.com/mcp"
    timeout: 300

Quality 75 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 1,060 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability25 · weight 15
  • warn
    stability.changes11 tool changes in 30 days
  • fail
    stability.rug_pull5 tools kept their name but changed most of their description in 30 days; review before trusting them
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 1,060 tokens to load them all · tool set 1fb1fea47240 · tools last changed 2026-10-15 · checked 2026-10-19 10:52 UTC

Tool changes

  • nodeset_compatibility_statuschangeddescription
    before

    Return bounded service metadata for OPC UA NodeSet Compatibility Gate. Use this only to discover deployment stage, deterministic static-analysis scope, production availability and payment status; do not use it to compare NodeSets. The result contains product, stage, deterministic, payment_enabled, production_enabled and scope fields.

    after · 66% of words in common

    Return bounded service metadata for OPC UA NodeSet Compatibility Gate. Use this only to discover deployment stage, deterministic static-analysis scope, production availability and payment status; do not use it to compare NodeSets. The result includes the shared MCP endpoint and explicitly lists which tool calls are free and which require x402 payment.

  • audit_uploaded_nodesetschangeddescriptionmeaning changed
    before

    Audit two NodeSets previously uploaded with begin_nodeset_upload and append_nodeset_chunk. Upload IDs are consumed after this call.

    after · 16% of words in common

    Compare two large NodeSet2 XML revisions after both have been fully staged with begin_nodeset_upload and append_nodeset_chunk. Pass old_upload_id for the baseline revision and new_upload_id for the candidate revision. This call consumes both upload IDs, so do not reuse them afterward. The report has the same shape as audit_nodeset_compatibility: result (COMPATIBLE, REVIEW_REQUIRED, BREAKING, or INSUFFICIENT_INPUT), old/new node counts, issue_count, summary by change code, and issues with code, severity, node_id and detail. Use the direct audit tool instead when both complete XML documents fit in a single request.

  • append_nodeset_chunkchangeddescriptionmeaning changed
    before

    Append the next text chunk to a temporary NodeSet upload. Send chunks in original order without modification.

    after · 24% of words in common

    Append the next unmodified text chunk to a temporary NodeSet2 upload created by begin_nodeset_upload. Pass upload_id exactly as returned by begin_nodeset_upload and chunk as the next consecutive XML text segment; send every chunk in original order without overlap, omission or reformatting. On success the result returns status=OK, upload_id and cumulative received_chars; UNKNOWN_UPLOAD_ID or UPLOAD_TOO_LARGE indicates the upload cannot continue. This tool only stages XML in temporary memory and does not parse or compare it yet.

  • begin_nodeset_uploadchangeddescriptionmeaning changed
    before

    Start a temporary in-memory NodeSet XML upload and return an upload_id. Use for large NodeSets that should be sent in multiple chunks.

    after · 21% of words in common

    Start one temporary in-memory upload for a large NodeSet2 XML document. Call this once for the old baseline and once for the new candidate when the complete XML documents are too large for audit_nodeset_compatibility. It returns upload_id and max_total_chars. Append that document's chunks in original order with append_nodeset_chunk. Uploads expire after 15 minutes and the service allows at most four active uploads; this tool stores only temporary process memory and does not modify an external system.

  • nodeset_compatibility_statuschangeddescriptionmeaning changed
    before

    empty

    after · 0% of words in common

    Return bounded service metadata for OPC UA NodeSet Compatibility Gate. Use this only to discover deployment stage, deterministic static-analysis scope, production availability and payment status; do not use it to compare NodeSets. The result contains product, stage, deterministic, payment_enabled, production_enabled and scope fields.

  • audit_nodeset_compatibilitychangeddescriptionmeaning changed
    before

    Compare two OPC UA NodeSet2 XML documents and report deterministic release-compatibility changes.

    after · 15% of words in common

    Compare two complete OPC UA NodeSet2 XML documents when both fit in a single request. Pass old_nodeset_xml as the full baseline revision and new_nodeset_xml as the full candidate revision. The deterministic report returns result (COMPATIBLE, REVIEW_REQUIRED, BREAKING, or INSUFFICIENT_INPUT), old_node_count, new_node_count, issue_count, a summary keyed by change code, and issues containing code, severity, node_id and detail. Examples include NODE_ADDED, NODE_REMOVED, DATA_TYPE_CHANGED and reference changes. For large XML documents use begin_nodeset_upload + append_nodeset_chunk for each revision, then audit_uploaded_nodesets instead.

  • audit_uploaded_nodesetschangedannotations
  • append_nodeset_chunkchangedannotations
  • begin_nodeset_uploadchangedannotations
  • nodeset_compatibility_statuschangedannotations

Showing the latest 10. Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance80
liveness100
freshness100
hygiene100

+repository +namespace-matches-repo +reachable +uptime-99% +updated-18d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://nodeset.regevidencehub.com/mcp streamable-httpnoneyes99%365 ms2025-11-252026-10-19

Tools (5)

append_nodeset_chunkAppend the next unmodified text chunk to a temporary NodeSet2 upload created by begin_nodeset_upload. Pass upload_id exactly as returned by begin_nodeset_upload and chunk as the next consecutive XML text segment; send every chunk in original order without overlap, omission or reformatting. On success the result returns status=OK, upload_id and cumulative received_chars; UNKNOWN_UPLOAD_ID or UPLOAD_TOO_LARGE indicates the upload cannot continue. This tool only stages XML in temporary memory and does not parse or compare it yet.
audit_nodeset_compatibilityread-onlyCompare two complete OPC UA NodeSet2 XML documents when both fit in a single request. Pass old_nodeset_xml as the full baseline revision and new_nodeset_xml as the full candidate revision. The deterministic report returns result (COMPATIBLE, REVIEW_REQUIRED, BREAKING, or INSUFFICIENT_INPUT), old_node_count, new_node_count, issue_count, a summary keyed by change code, and issues containing code, severity, node_id and detail. Examples include NODE_ADDED, NODE_REMOVED, DATA_TYPE_CHANGED and reference changes. For large XML documents use begin_nodeset_upload + append_nodeset_chunk for each revision, then audit_uploaded_nodesets instead.
audit_uploaded_nodesetsdestructiveCompare two large NodeSet2 XML revisions after both have been fully staged with begin_nodeset_upload and append_nodeset_chunk. Pass old_upload_id for the baseline revision and new_upload_id for the candidate revision. This call consumes both upload IDs, so do not reuse them afterward. The report has the same shape as audit_nodeset_compatibility: result (COMPATIBLE, REVIEW_REQUIRED, BREAKING, or INSUFFICIENT_INPUT), old/new node counts, issue_count, summary by change code, and issues with code, severity, node_id and detail. Use the direct audit tool instead when both complete XML documents fit in a single request.
begin_nodeset_uploadStart one temporary in-memory upload for a large NodeSet2 XML document. Call this once for the old baseline and once for the new candidate when the complete XML documents are too large for audit_nodeset_compatibility. It returns upload_id and max_total_chars. Append that document's chunks in original order with append_nodeset_chunk. Uploads expire after 15 minutes and the service allows at most four active uploads; this tool stores only temporary process memory and does not modify an external system.
nodeset_compatibility_statusread-onlyReturn bounded service metadata for OPC UA NodeSet Compatibility Gate. Use this only to discover deployment stage, deterministic static-analysis scope, production availability and payment status; do not use it to compare NodeSets. The result includes the shared MCP endpoint and explicitly lists which tool calls are free and which require x402 payment.

Schemas: list_tools.

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Official server.json
{
  "name": "io.github.ChanghuLiu/opc-ua-nodeset-compatibility-gate",
  "title": "OPC UA NodeSet Gate",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://nodeset.regevidencehub.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.3",
  "repository": {
    "url": "https://github.com/ChanghuLiu/opc-ua-nodeset-compatibility-gate",
    "source": "github"
  },
  "description": "Deterministic release-compatibility preflight for OPC UA NodeSet2 XML."
}