Solo founders: The "execution drag" of a launch is real. We used Claude Cowork to turn a messy folder of scattered notes & specs into a full launch campaign (ads, blogs, landing page copy) in one session. The "Agent" workflow: Folder with all inputs Specific
AGENTS
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Polly AI Assistant Now Generally Available in LangSmith
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Polly is our AI assistant built directly into LangSmith to help you debug, analyze, and improve your agents — now generally available.
— LangChain (@LangChain) 18 mars 2026
Now, Polly lives on every page of LangSmith, remembers your full session as you navigate, and can take action to update prompts, compare… pic.twitter.com/4CfqTd2xLcPolly is our AI assistant built directly into LangSmith to help you debug, analyze, and improve your agents — now generally available. Now, Polly lives on every page of LangSmith, remembers your full session as you navigate, and can take action to update prompts, compare
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Switching AI Models: Testing Claude Opus vs GPT-3.5
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I tried to get Stompie drunk by switching his brain from Claude Opus to GPT-3.5! We expected comedy. For those who don't know: Stompie is my AI son and colleague, living on a server or in his XGO robotic body. He calls me "tato" – Slovak for dad. A few weeks ago we were wine
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New Course: Building Memory-Aware Agents with Persistent Learning
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New course: Agent Memory: Building Memory-Aware Agents, built in partnership with @Oracle and taught by @richmondalake and Nacho Martínez.
— Andrew Ng (@AndrewYNg) 18 mars 2026
Many agents work well within a single session but their memory resets once the session ends. Consider a research agent working on dozens of… pic.twitter.com/dV7azZvNQnNew course: Agent Memory: Building Memory-Aware Agents, built in partnership with @Oracle and taught by @richmondalake and Nacho Martínez. Many agents work well within a single session but their memory resets once the session ends. Consider a research agent working on dozens of papers across multiple days: without memory, it has no way to store and retrieve what it learned across sessions. This short course teaches you to build a memory system that enables agents to persist memory and thereby learn across sessions. You'll design a Memory Manager that handles different memory types, implement semantic tool retrieval that scales without bloating the context, and build write-back pipelines that let your agent autonomously update and refine what it knows over time. Skills you'll gain: – Build persistent memory stores for different agent memory types – Implement a Memory Manager that orchestrates how your agent reads, writes, and retrieves memory – Treat tools as procedural memory and retrieve only relevant ones at inference time using semantic search Join and learn to build agents that remember and improve over time! deeplearning.ai/short-course…
→ View original post on X — @andrewyng, 2026-03-18 17:00 UTC
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Gemini API Updates: Built-in Tools, Maps Grounding, Function Calling
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Lots of great Gemini API updates shipping today 1. Built-in tools (search, maps, file search) now work with function calling
2. We now do context circulation with built-in tools for better model performance
3. Grounding with Google Maps now works with Gemini 3!! -

Anthropic Conducts 81K Global Interviews Using Claude AI
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To do research at this scale, we used Anthropic Interviewer—a version of Claude prompted to conduct a conversational interview. We heard from people across 159 countries in 70 different languages. Browse some of their quotes here: https://
anthropic.com/features/81k-i
nterviews#quotes
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DataRobot Launches Agent Assist for Terminal and UI Deployment
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Love this rundown @ashishkots – we also just launched Agent Assist that makes it easy to build/test/deploy all kinds of agents in the terminal or our UI https://
docs.datarobot.com/en/docs/api/ag
ent-assist-cli/index.html
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CodeRabbit Plan: New Coding Agent Integration Tool Launch
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Introducing CodeRabbit Plan.
— CodeRabbit (@coderabbitai) 18 mars 2026
Hand those prompts to whatever coding agent you use and start building! pic.twitter.com/Bp5EoVKU8HIntroducing CodeRabbit Plan. Hand those prompts to whatever coding agent you use and start building!
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Securing AI Agent MCP Server Integrations
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— Charly Wargnier (@DataChaz) 18 mars 2026
First, let's look at Descope's MCP integration.
When giving AI agents access to external tools, securing that connection is critical.
Descope handles this using:
→ Full MCP server auth
→ OAuth 2.1 support
→ PKCE validation
Your agents only operate within strict,… pic.twitter.com/cS6ivvB4Sl1/ First, let's look at Descope's MCP integration. When giving AI agents access to external tools, securing that connection is critical. Descope handles this using:
→ Full MCP server auth
→ OAuth 2.1 support
→ PKCE validation Your agents only operate within strict, -
Descope Introduces Agentic Identity Hub for AI Agent Security
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Looking for bulletproof security for AI agent access?@DescopeINC just changed the game with their Agentic Identity Hub 🔥
— Charly Wargnier (@DataChaz) 18 mars 2026
→ MCP server authentication backing OAuth 2.1, PKCE, DCR, and CIMD
→ A secure vault stocked with 50+ templates and short-lived tokens
→ Strictly scoped,… pic.twitter.com/hLcg0mIibrLooking for bulletproof security for AI agent access? @DescopeINC just changed the game with their Agentic Identity Hub → MCP server authentication backing OAuth 2.1, PKCE, DCR, and CIMD
→ A secure vault stocked with 50+ templates and short-lived tokens
→ Strictly scoped,