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fix(sequentialthinking): restore nextThoughtNeeded in the advertised inputSchema required array #4652

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fix(sequentialthinking): restore nextThoughtNeeded in the advertised inputSchema required array #4652

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16 changes: 8 additions & 8 deletions src/sequentialthinking/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,15 @@ import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"
import { z } from "zod";
import { SequentialThinkingServer } from './lib.js';

/** Safe boolean coercion that correctly handles string "false" */
const coercedBoolean = z.preprocess((val) => {
/** Safe boolean coercion that correctly handles string "false". A union+transform,
* not z.preprocess (whose input type is `unknown`), so toJSONSchema keeps this required. */
const coercedBoolean = z.union([z.boolean(), z.string()]).transform((val, ctx) => {
if (typeof val === "boolean") return val;
if (typeof val === "string") {
if (val.toLowerCase() === "true") return true;
if (val.toLowerCase() === "false") return false;
}
return val;
}, z.boolean());
if (val.toLowerCase() === "true") return true;
if (val.toLowerCase() === "false") return false;
ctx.addIssue({ code: "custom", message: `Expected boolean or "true"/"false" string, received "${val}"` });
return z.NEVER;
});

const server = new McpServer({
name: "sequential-thinking-server",
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