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The release lane built Linux alone, so hanzo.sh offered macOS and Windows a server nobody had built, and `hanzo dev` there fell back to nothing. It now cross-builds linux, windows and darwin for both architectures from the one Linux pool with Zig and a pinned macOS SDK, the way the CLI's release does, one target at a time. Zig comes from its own checksummed tarball, not pip. `hanzo dev` hands its server `--project-dir`, the native spelling. The npm build read it as stray arguments and exited, so a machine whose PATH found the npm `hanzo-mcp` first ran every session without the toolset. It now takes the flag as an allowed root. Claude-Session: https://claude.ai/code/session_01M8RoubcPN71KgJuZ8LdBUL
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
/**
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* Shared helper utilities for Hanzo Kai MCP Cookbook recipes.
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*/
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import { Client } from "@modelcontextprotocol/sdk/client/index.js";
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import { InMemoryTransport } from "@modelcontextprotocol/sdk/inMemory.js";
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import { createMCPServer } from "../dist/index.js";
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export interface RecipeResult {
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recipe: string;
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tool: string;
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success: boolean;
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latency_ms?: number;
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output: any;
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explanation: string;
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}
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/**
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* Creates an in-process MCP client connected directly to the Hanzo MCP server.
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* Enables zero-overhead execution for recipes and automated test suites.
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*/
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export async function createRecipeClient() {
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// Kai is reached as every client reaches it: api.hanzo.ai with HANZO_API_KEY, or LOCAL_KAI_URL for a local `kai serve`.
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const server = await createMCPServer({ name: "kai-cookbook-server", version: "2.4.20" });
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// Call tools directly via server handlers or in-memory transport
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return {
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server,
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async callTool(name: string, args: Record<string, any>) {
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const tool = server.tools.find((t: any) => t.name === name);
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if (!tool) throw new Error(`Tool '${name}' not found on server`);
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const start = performance.now();
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const res = await tool.handler(args);
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const elapsed = performance.now() - start;
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if (res.isError) {
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return {
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isError: true,
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error: res.content?.[0]?.text || "Unknown error",
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latency_ms: elapsed
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};
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}
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let parsed = {};
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try {
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parsed = JSON.parse(res.content?.[0]?.text || "{}");
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} catch {
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parsed = { raw: res.content?.[0]?.text };
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}
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return {
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isError: false,
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data: parsed,
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latency_ms: elapsed
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};
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}
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};
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}
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export function logRecipe(result: RecipeResult) {
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console.log(`\n======================================================`);
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console.log(`📖 Recipe: ${result.recipe}`);
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console.log(`🛠️ Tool: ${result.tool}`);
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console.log(`⚡ Latency: ${result.latency_ms?.toFixed(2)} ms`);
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console.log(`📝 Output:\n${JSON.stringify(result.output, null, 2)}`);
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console.log(`💡 ${result.explanation}`);
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console.log(`======================================================\n`);
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}
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