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Work with tools
Last update:
May 18, 2026
Learn how to discover and invoke tools exposed by an MCP server using a ColdFusion client.
Tools are the primary way your client triggers actions on the server side (for example, fetch data, update records, or transform documents).
You can list available tools and invoke them with structured arguments.
- List available tools using
listTools().ADDITIONAL INFORMATION:
<cfscript>
tools = mcpClient.listTools();
writeDump(tools);
</cfscript>
- Each tool record typically includes:
name– The tool’s identifier.description– A human-readable explanation.inputSchema– A JSON-schema-like structure describing required and optional parameters.
- Call a tool using
callTool(toolName, params).ADDITIONAL INFORMATION:
<cfscript>
toolName = "get_weather";
toolParams = { location = "New York" };
result = mcpClient.callTool(toolName, toolParams);
writeDump(result);
</cfscript>
- The result contains structured output returned by the MCP server. If execution fails, the response includes an
isErrorflag.
Result
You can now discover and execute server-side tools through your MCP client.
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