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Refactor the Python client to define the model only once

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This commit is contained in:
Alex Akimov 2025-11-09 18:16:45 +01:00
commit 30655fc09c
1 changed files with 6 additions and 5 deletions
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11
mcp-client-typescript/index.ts
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@ -12,6 +12,7 @@ import dotenv from "dotenv";
dotenv.config(); // load environment variables from .env dotenv.config(); // load environment variables from .env
const ANTHROPIC_MODEL = "claude-sonnet-4-5";
const ANTHROPIC_API_KEY = process.env.ANTHROPIC_API_KEY; const ANTHROPIC_API_KEY = process.env.ANTHROPIC_API_KEY;
if (!ANTHROPIC_API_KEY) { if (!ANTHROPIC_API_KEY) {
throw new Error("ANTHROPIC_API_KEY is not set"); throw new Error("ANTHROPIC_API_KEY is not set");
@ -68,7 +69,7 @@ class MCPClient {
}); });
console.log( console.log(
"Connected to server with tools:", "Connected to server with tools:",
this.tools.map(({ name }) => name), this.tools.map(({ name }) => name)
); );
} catch (e) { } catch (e) {
console.log("Failed to connect to MCP server: ", e); console.log("Failed to connect to MCP server: ", e);
@ -92,7 +93,7 @@ class MCPClient {
// Initial Claude API call // Initial Claude API call
const response = await this.anthropic.messages.create({ const response = await this.anthropic.messages.create({
model: "claude-sonnet-4-5", model: ANTHROPIC_MODEL,
max_tokens: 1000, max_tokens: 1000,
messages, messages,
tools: this.tools, tools: this.tools,
@ -114,7 +115,7 @@ class MCPClient {
arguments: toolArgs, arguments: toolArgs,
}); });
finalText.push( finalText.push(
`[Calling tool ${toolName} with args ${JSON.stringify(toolArgs)}]`, `[Calling tool ${toolName} with args ${JSON.stringify(toolArgs)}]`
); );
// Continue conversation with tool results // Continue conversation with tool results
@ -125,13 +126,13 @@ class MCPClient {
// Get next response from Claude // Get next response from Claude
const response = await this.anthropic.messages.create({ const response = await this.anthropic.messages.create({
model: "claude-sonnet-4-5", model: ANTHROPIC_MODEL,
max_tokens: 1000, max_tokens: 1000,
messages, messages,
}); });
finalText.push( finalText.push(
response.content[0].type === "text" ? response.content[0].text : "", response.content[0].type === "text" ? response.content[0].text : ""
); );
} }
} }