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teams-anthropic-integration Use @youdotcom-oss/teams-anthropic to add Anthropic Claude models (Opus, Sonnet, Haiku) to Microsoft Teams.ai applications. Optionally integrate You.com MCP server for web search and content extraction.
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name teams-anthropic-integration description Use @youdotcom-oss/teams-anthropic to add Anthropic Claude models (Opus, Sonnet, Haiku) to Microsoft Teams.ai applications. Optionally integrate You.com MCP server for web search and content extraction. license MIT compatibility Node.js 18+, @microsoft/teams.ai metadata {"author":"youdotcom-oss","category":"enterprise-integration","version":"1.1.0","keywords":"microsoft-teams,teams-ai,anthropic,claude,mcp,you.com,web-search,content-extraction"}
Build Teams.ai Apps with Anthropic Claude
Use @youdotcom-oss/teams-anthropic to add Claude models (Opus, Sonnet, Haiku) to Microsoft Teams.ai applications. Optionally integrate You.com MCP server for web search and content extraction.
Choose Your Path
Path A: Basic Setup (Recommended for getting started)
Use Anthropic Claude models in Teams.ai
Chat, streaming, function calling
No additional dependencies
Path B: With You.com MCP (For web search capabilities)
Everything in Path A
Web search and content extraction via You.com
Real-time information access
Decision Point
Ask: Do you need web search and content extraction in your Teams app?
NO → Use Path A: Basic Setup (simpler, faster)YES → Use Path B: With You.com MCP
Path A: Basic Setup Use Anthropic Claude models in your Teams.ai app without additional dependencies.
A1. Install Package npm install @youdotcom-oss/teams-anthropic @anthropic-ai/sdk @microsoft/teams.ai
A2. Get Anthropic API Key
ANTHROPIC_API_KEY=your-anthropic-api-key
A3. Ask: New or Existing App?
New Teams app : Use entire template belowExisting app : Add Claude model to existing setup
A4. Basic Template import { App } from '@microsoft/teams.apps' ;
import { AnthropicChatModel , AnthropicModel } from '@youdotcom-oss/teams-anthropic' ;
if (!process.env .ANTHROPIC_API_KEY ) {
throw new Error ('ANTHROPIC_API_KEY environment variable is required' );
}
const model = new AnthropicChatModel ({
model : AnthropicModel .CLAUDE_SONNET_4_5 ,
apiKey : process.env .ANTHROPIC_API_KEY ,
requestOptions : {
max_tokens : 2048 ,
temperature : 0.7 ,
},
});
const app = new App ();
app.on ('message' , async ({ send, activity }) => {
await send ({ type : 'typing' });
const response = await model.send (
{ role : 'user' , content : activity.text }
);
if (response.content ) {
await send (response.content );
}
});
app.start ().catch (console .error );
Add to your existing imports:
import { AnthropicChatModel , AnthropicModel } from '@youdotcom-oss/teams-anthropic' ;
Replace your existing model:
const model = new AnthropicChatModel ({
model : AnthropicModel .CLAUDE_SONNET_4_5 ,
apiKey : process.env .ANTHROPIC_API_KEY ,
});
A5. Choose Your Model
AnthropicModel .CLAUDE_OPUS_4_5
AnthropicModel .CLAUDE_SONNET_4_5
AnthropicModel .CLAUDE_HAIKU_3_5
A6. Test Basic Setup Send a message in Teams to verify Claude responds.
Path B: With You.com MCP Add web search and content extraction to your Claude-powered Teams app.
B1. Install Packages npm install @youdotcom-oss/teams-anthropic @anthropic-ai/sdk @microsoft/teams.ai @microsoft/teams.mcpclient
B2. Get API Keys
ANTHROPIC_API_KEY=your-anthropic-api-key
YDC_API_KEY=your-you-com-api-key
B3. Ask: New or Existing App?
New Teams app : Use entire template belowExisting app : Add MCP to existing Claude setup
B4. MCP Template import { App } from '@microsoft/teams.apps' ;
import { ChatPrompt } from '@microsoft/teams.ai' ;
import { ConsoleLogger } from '@microsoft/teams.common' ;
import { McpClientPlugin } from '@microsoft/teams.mcpclient' ;
import {
AnthropicChatModel ,
AnthropicModel ,
getYouMcpConfig,
} from '@youdotcom-oss/teams-anthropic' ;
if (!process.env .ANTHROPIC_API_KEY ) {
throw new Error ('ANTHROPIC_API_KEY environment variable is required' );
}
if (!process.env .YDC_API_KEY ) {
throw new Error ('YDC_API_KEY environment variable is required' );
}
const logger = new ConsoleLogger ('mcp-client' , { level : 'info' });
const prompt = new ChatPrompt (
{
instructions : 'You are a helpful assistant with access to web search and content extraction. Use these tools to provide accurate, up-to-date information.' ,
model : new AnthropicChatModel ({
model : AnthropicModel .CLAUDE_SONNET_4_5 ,
apiKey : process.env .ANTHROPIC_API_KEY ,
requestOptions : {
max_tokens : 2048 ,
},
}),
},
[new McpClientPlugin ({ logger })],
).usePlugin ('mcpClient' , getYouMcpConfig ());
const app = new App ();
app.on ('message' , async ({ send, activity }) => {
await send ({ type : 'typing' });
const result = await prompt.send (activity.text );
if (result.content ) {
await send (result.content );
}
});
app.start ().catch (console .error );
For EXISTING Apps with Claude:
If you already have Path A setup, add MCP integration:
Install MCP dependencies:
npm install @microsoft/teams.mcpclient
Add imports:
import { ChatPrompt } from '@microsoft/teams.ai' ;
import { ConsoleLogger } from '@microsoft/teams.common' ;
import { McpClientPlugin } from '@microsoft/teams.mcpclient' ;
import { getYouMcpConfig } from '@youdotcom-oss/teams-anthropic' ;
Validate You.com API key:
if (!process.env .YDC_API_KEY ) {
throw new Error ('YDC_API_KEY environment variable is required' );
}
Replace model with ChatPrompt:
const logger = new ConsoleLogger ('mcp-client' , { level : 'info' });
const prompt = new ChatPrompt (
{
instructions : 'Your instructions here' ,
model : new AnthropicChatModel ({
model : AnthropicModel .CLAUDE_SONNET_4_5 ,
apiKey : process.env .ANTHROPIC_API_KEY ,
}),
},
[new McpClientPlugin ({ logger })],
).usePlugin ('mcpClient' , getYouMcpConfig ());
Use prompt.send() instead of model.send():
const result = await prompt.send (activity.text );
B5. Test MCP Integration Ask Claude a question that requires web search:
"What are the latest developments in AI?"
"Search for React documentation"
"Extract content from https://example.com "
Available Claude Models Model Enum Best For Claude Opus 4.5 AnthropicModel.CLAUDE_OPUS_4_5Complex tasks, highest capability Claude Sonnet 4.5 AnthropicModel.CLAUDE_SONNET_4_5Balanced intelligence and speed (recommended) Claude Haiku 3.5 AnthropicModel.CLAUDE_HAIKU_3_5Fast responses, efficiency Claude Sonnet 3.5 AnthropicModel.CLAUDE_SONNET_3_5Previous generation, stable
Advanced Features
Streaming Responses const response = await model.send (
{ role : 'user' , content : 'Write a short story' },
{
onChunk : async (delta) => {
process.stdout .write (delta);
},
}
);
Function Calling const response = await model.send (
{ role : 'user' , content : 'What is the weather in San Francisco?' },
{
functions : {
get_weather : {
description : 'Get the current weather for a location' ,
parameters : {
location : { type : 'string' , description : 'City name' },
},
handler : async (args : { location : string }) => {
return { temperature : 72 , conditions : 'Sunny' };
},
},
},
}
);
Conversation Memory import { LocalMemory } from '@microsoft/teams.ai' ;
const memory = new LocalMemory ();
await model.send (
{ role : 'user' , content : 'My name is Alice' },
{ messages : memory }
);
const response = await model.send (
{ role : 'user' , content : 'What is my name?' },
{ messages : memory }
);
Validation Checklist
Path A Checklist
Path B Checklist
Common Issues
Path A Issues "Cannot find module @youdotcom-oss/teams-anthropic"
npm install @youdotcom-oss/teams-anthropic @anthropic-ai/sdk
"ANTHROPIC_API_KEY environment variable is required"
"Invalid model identifier"
Use enum: AnthropicModel.CLAUDE_SONNET_4_5
Don't use string: 'claude-sonnet-4-5-20250929'
Path B Issues "YDC_API_KEY environment variable is required"
"Cannot find module @microsoft/teams.mcpclient"
npm install @microsoft/teams.mcpclient
getYouMcpConfig() Utility Automatically configures You.com MCP connection:
URL : https://api.you.com/mcpAuthentication : Bearer token from YDC_API_KEYUser-Agent : Includes package version for telemetry
getYouMcpConfig ()
getYouMcpConfig ({ apiKey : 'your-custom-key' })
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