OPC UA MCP Server vs Filesystem

A side-by-side look at the OPC UA MCP Server and Filesystem MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

OPC UA MCP Server logoOPC UA MCP ServerIndustrial & IoT · Remote HTTP/SSERead, write, browse, search, and subscribe to live data on an OPC-UA industrial automation server.53GoodAuth: not declaredFilesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth required

Verdict: choose OPC UA MCP Server for industrial & iot work over a hosted endpoint; choose Filesystem for file systems as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

OPC UA MCP Server logoChoose OPC UA MCP Server when

  • You need dedicated capabilities in the Industrial & IoT domain.
  • You prefer a remote HTTP/SSE transport.
  • You want tools like opcua_read, opcua_write, opcua_get_value.
Explore OPC UA MCP Server

Filesystem logoChoose Filesystem when

  • You need dedicated capabilities in the File Systems domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like path, head, tail.
Explore Filesystem

Feature & specification comparison

Rows where the two servers differ are marked.

SpecOPC UA MCP Server logoOPC UA MCP ServerFilesystem logoFilesystem
CategoryIndustrial & IoTFile Systems
Quality signal53/100 · Good85/100 · Excellent
Install commandConfirmedConfirmed
TransportRemote HTTP/SSELocal subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listing Verified
GitHub stars591,549
Directory activity 4 views 0 installs 0 upvotes 11 views 0 installs 0 upvotes
Tools1617

Tools & capabilities

OPC UA MCP Server tools 16

  • opcua_readRead one or more node values. Subscribed nodes are served from the live cache; others go live unless `max_age_ms` allows a cached value.
  • opcua_writeWrite a value to a node. Validates the value's type against the node before writing.
  • opcua_get_valueRead a single node's value - a convenience wrapper over `opcua_read`.
  • opcua_get_value_by_nameRead a value by browse name instead of node ID, via the discovery index.
  • opcua_browseList a node's immediate children.
  • opcua_browse_nodesRecursively browse from a node up to a depth limit, nesting children under their parent.
  • opcua_node_infoGet a node's metadata (data type, access level, etc.).
  • opcua_find_similar_nodesFuzzy-match browse names against the discovery index.
  • opcua_subscribeStart push-based updates for one or more nodes at a given interval.
  • opcua_unsubscribeCancel a subscription, by ID or by naming one of its nodes.
  • opcua_list_subscriptionsList active subscriptions.
  • opcua_connectManage the connection explicitly (mainly relevant in stdio mode).
  • +4 more on the listing page

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

OPC UA MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "opc-ua-mcp-server": {
      "url": "https://xyz.trycloudflare.com/mcp"
    }
  }
}

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Frequently asked questions

OPC UA MCP Server is categorized under Industrial & IoT and uses a remote HTTP/SSE transport. Filesystem belongs to File Systems and uses a local stdio subprocess. Pick OPC UA MCP Server for industrial & iot work and Filesystem for file systems.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

OPC UA MCP Server has no declared pricing — check the project's own site. Filesystem is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add opc-ua-mcp-server and filesystem as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, OPC UA MCP Server has a quality signal of 53/100 (Good) with 4 views, 0 installs and 5 GitHub stars. Filesystem has 85/100 (Excellent) with 11 views, 0 installs and 91,549 GitHub stars.