LlamaIndex vs LangChain: which framework for RAG and agents?
LlamaIndex or LangChain? The right answer in 2026 is usually both -- LlamaIndex as the retrieval layer, LangGraph as the orchestration layer. Here is how to decide.
Topic
AI Agents
Agent frameworks (LangChain, CrewAI, etc.)
LangChain vs LangGraph: when to use each for AI agents
Choose LangChain create_agent for a configurable agent loop or explicit LangGraph for custom state transitions. Compare memory, human review and persistence.
Best no-code AI agent builders for 2026
Compare ten no-code AI agent builders by billing unit, integrations, enterprise controls and use case, with prices checked in October 2026.
Build an AI Sales Agent: Tools, Workflow, and Prompts
Five-scenario Make or n8n architecture plus the four prompt elements (tone, structure, fallback, formatting) that stop an AI sales agent from silently dropping qualification questions.
llms.txt across the top 1,000 SaaS sites in May 2026: who ships, what's inside, what changed
About 10% of sites ship llms.txt. Developer docs and AI tooling lead adoption by a wide margin. But the bots that drive AI citations almost never read the file - its real consumers are IDE agents and MCP servers.
61% of public MCP servers fail to install or initialize: 922-package production audit
We ran 922 npm-published MCP servers in May 2026. Only 359 (38.9%) installed and responded. Here's where the other 61% broke - and what server authors can fix.
agency-os: the Notion board that plans your work, then ships it
We turned Notion into the dashboard of a small AI agency. You drop ideas in. Agents plan the work, sequence it, and ship the output. Here's why we built it and how it works.
How to fix CrewAI hierarchical DelegateWorkToolSchema validation error
Upgrade CrewAI to a release containing PR #2608. The schema accepts Union[str, dict] and _run coerces dict args back to strings. Four failures look the same, four fixes.
How to fix LangChain MultiServerMCPClient NotImplementedError on Windows
MultiServerMCPClient raises NotImplementedError on Windows because asyncio does not support Unix sockets. Fix: pass transport="streamable_http" or run inside WSL2. Full workaround inside.
What is the Model Context Protocol (MCP)? A 2026 primer
MCP is the on-demand counterpart to event-driven automation. Zapier triggers workflows; MCP gives the AI hands to call them when asked.