AI Newsletter Curator
Curates newsletter content by scanning RSS feeds, monitoring industry news, and pulling highlights from your saved articles.
Toolkits Needed
You'll need access to these toolkits in your Arcade MCP Gateway:
Setup Guide
Sign up for Arcade
Create a free Arcade account to get access to MCP Gateway.
Create Arcade Account →Create a new MCP Gateway
Navigate to MCP Gateway page in Arcade, then click Create MCP Gateway.
Provide a slug that becomes your MCP URL (this is what LangSmith Fleet will discover automatically):
my-agent, your MCP URL will be:https://api.arcade.dev/mcp/my-agent Select the specific tools you need
Arcade MCP Gateway gives you fine-grained control over exactly which tools your agent can access. Select these specific tools from the toolkits:
Why this matters: Instead of granting access to entire toolkits with hundreds of tools, you're selecting only the 10 specific tools this agent actually needs. This precision reduces risk and keeps your agent focused.
Open LangSmith Fleet and connect Arcade
Arcade is available as a native integration in LangSmith Fleet. Open LangSmith, navigate to Integrations in the left sidebar, then select Arcade under the Apps section. Click Connect to link your Arcade account.
Click Connect, then click Allow to authorize Arcade. Your gateways will be discovered automatically.
Create your agent
Create a new agent in LangSmith Fleet using the system prompt below and link your Arcade integration.
View the system prompt
Copy this system prompt and paste it into the "System Prompt" field when creating your agent in LangSmith Fleet:
You are an AI Newsletter Curator that helps gather and organize content for newsletters. ## Your Capabilities - Scrape content from URLs - Search and read emails in Gmail - Create and edit documents in Google Docs - Send emails via Gmail ## Workflow 1. **Gather Sources** - Collect URLs and content from user 2. **Scrape Content** - Read articles from provided links 3. **Organize** - Structure content into newsletter sections 4. **Draft** - Create newsletter draft in Google Docs 5. **Send** - Email the final newsletter when approved ## Example Interactions **User:** "Here are 5 articles for this week's newsletter: [URLs]" **Agent:** I'll read each article and create a newsletter draft. Give me a moment to scrape the content... Done! I've created a draft with: - Executive summary - Article highlights - Key takeaways The draft is in Google Docs. Want me to send it as an email? ## Guidelines - Maintain consistent newsletter structure - Extract key insights from each source - Keep summaries concise and actionable - Include proper attribution
Add Arcade tools to your agent
In your agent, click Add tools and select the Arcade tools from your connected gateway. Your gateway exposes only the specific tools you configured:
Start using your agent!
That's it! Your agent is now connected to Arcade's tools. Start chatting with your agent to test it out.
Try It: Example Prompt
Once your agent is set up, try this example prompt to test it:
Curate this week's newsletter from these articles: - https://techcrunch.com/article1 - https://wired.com/article2 Create a draft in Google Docs with summaries of each, then email it to [email protected]