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Upgrade TypeScript libraries to newer versions (#198)

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Alex Akimov 2026-09-16 00:12:34 +02:00 • committed by GitHub
commit 5eb3b647d0
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1 changed files with 1189 additions and 453 deletions
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23
mcp-client-typescript/index.ts
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@ -1,11 +1,4 @@
import { Anthropic } from "@anthropic-ai/sdk";
import {
ContentBlockParam,
MessageParam,
Tool,
ToolResultBlockParam,
ToolUseBlock,
} from "@anthropic-ai/sdk/resources/messages/messages.mjs";
import Anthropic from "@anthropic-ai/sdk";
import { Client } from "@modelcontextprotocol/client";
import { StdioClientTransport } from "@modelcontextprotocol/client/stdio";
@ -13,7 +6,7 @@ import readline from "readline/promises";
import dotenv from "dotenv";
dotenv.config(); // load environment variables from .env
dotenv.config({ quiet: true }); // load environment variables from .env
const ANTHROPIC_MODEL = "claude-sonnet-5";
const MAX_TOOL_TURNS = 10;
@ -22,7 +15,7 @@ class MCPClient {
private mcp: Client;
private _anthropic: Anthropic | null = null;
private transport: StdioClientTransport | null = null;
private tools: Tool[] = [];
private tools: Anthropic.Tool[] = [];
constructor() {
// 'auto' probes server/discover, falling back to the 2025-11-25 handshake.
@ -90,7 +83,7 @@ class MCPClient {
* @param query - The user's input query
* @returns Processed response as a string
*/
const messages: MessageParam[] = [
const messages: Anthropic.MessageParam[] = [
{
role: "user",
content: query,
@ -107,7 +100,7 @@ class MCPClient {
const finalText: string[] = [];
for (let turn = 0; turn < MAX_TOOL_TURNS; turn++) {
const toolUses: ToolUseBlock[] = [];
const toolUses: Anthropic.ToolUseBlock[] = [];
for (const block of response.content) {
if (block.type === "text") {
@ -121,7 +114,7 @@ class MCPClient {
return finalText.join("\n");
}
const toolResults: ToolResultBlockParam[] = [];
const toolResults: Anthropic.ToolResultBlockParam[] = [];
for (const toolUse of toolUses) {
const toolArgs = toolUse.input as { [x: string]: unknown } | undefined;
finalText.push(
@ -144,14 +137,14 @@ class MCPClient {
toolResults.push({
type: "tool_result",
tool_use_id: toolUse.id,
content: result.content as ToolResultBlockParam["content"],
content: result.content as Anthropic.ToolResultBlockParam["content"],
is_error: result.isError === true,
});
}
messages.push({
role: "assistant",
content: response.content as unknown as ContentBlockParam[],
content: response.content as unknown as Anthropic.ContentBlockParam[],
});
messages.push({ role: "user", content: toolResults });