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listTools
Last update:
May 18, 2026
Returns the list of all tools exposed by the connected MCP server for a given MCP client, including each tool's name, description, and input schema.
Description
The
listTools function returns the list of all tools exposed by the connected MCP server for a given MCP client. Each tool entry includes metadata such as the tool's name, description, and input schema. This is typically the first method you call after creating an MCP client, to discover what capabilities the server provides.Returns
An array of structs, where each struct describes a tool.
Category
MCP functions
Syntax
listTools()Called as an instance method on an MCP client object:
tools = mcpClient.listTools()History
New in ColdFusion 2025.0.08
Parameters
None
Example
<cfscript>
transport = {
"type": "http",
"url": "https://gitmcp.io/langchain-ai/langgraph"
}
mcpClientConfig = {
"transport": transport,
"requestTimeout": 30,
"initializationTimeout": 10
}
mcpclient = MCPClient(mcpClientConfig);
myprompts = mcpClient.listtools()
toolsArray=myprompts.tools
writeOutput("<b>List of tools</b>" & "<br>")
for (p in toolsArray) {
writeOutput(p.name & "<br>")
}
</cfscript>Output
List of tools
fetch_langgraph_documentation
search_langgraph_documentation
search_langgraph_code
fetch_generic_url_content
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