show_example
Demonstrate practical examples of MCP features like 'tool_call' or 'resource_read' to help developers understand and implement MCP concepts effectively.
Instructions
Show a practical example of an MCP feature
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| feature | Yes | The MCP feature to demonstrate (e.g., 'tool_call', 'resource_read', 'prompt_template') |
Implementation Reference
- src/index.ts:363-438 (handler)Handler function that executes the 'show_example' tool by returning a predefined code example based on the input feature.
if (name === "show_example" && args) { const feature = (args.feature as string).toLowerCase(); const examples: Record<string, string> = { "tool_call": `Here's an example of defining and using a tool: // Define the tool { name: "calculate_sum", description: "Add two numbers together", inputSchema: { type: "object", properties: { a: { type: "number" }, b: { type: "number" } }, required: ["a", "b"] } } // Use the tool const result = await server.callTool("calculate_sum", { a: 5, b: 3 }); // Result: 8`, "resource_read": `Here's an example of exposing and reading a resource: // Define the resource { uri: "file:///docs/guide.md", name: "MCP Guide", description: "Documentation for MCP concepts", mimeType: "text/markdown" } // Read the resource const content = await server.readResource("file:///docs/guide.md");`, "prompt_template": `Here's an example of a prompt template: { name: "code_review", description: "Review code for best practices", arguments: [ { name: "language", description: "Programming language", required: true }, { name: "code", description: "Code to review", required: true } ] } // Generated prompt: "Please review this {language} code:\n{code}"` }; const example = examples[feature]; if (!example) { return { content: [{ type: "text", text: `I don't have an example for "${feature}" yet. Available examples: ${Object.keys(examples).join(", ")}` }] }; } return { content: [{ type: "text", text: example }] }; } - src/index.ts:272-285 (registration)Registration of the 'show_example' tool in the listTools response, including its name, description, and input schema.
{ name: "show_example", description: "Show a practical example of an MCP feature", inputSchema: { type: "object", properties: { feature: { type: "string", description: "The MCP feature to demonstrate (e.g., 'tool_call', 'resource_read', 'prompt_template')", } }, required: ["feature"] } }, - src/index.ts:272-285 (schema)Schema definition for the 'show_example' tool, specifying the required 'feature' input parameter.
{ name: "show_example", description: "Show a practical example of an MCP feature", inputSchema: { type: "object", properties: { feature: { type: "string", description: "The MCP feature to demonstrate (e.g., 'tool_call', 'resource_read', 'prompt_template')", } }, required: ["feature"] } },