AutomateLab Editorial

AutomateLab Editorial

A collective of authors with a total of 18+ years of experience in AI automations

How to Deploy an AI Agent to Production with FastAPI and Docker

A copy-paste recipe for wrapping a LangGraph, Pydantic AI, or LangChain agent in a FastAPI endpoint, a non-root multi-stage Dockerfile, and a timeout that stops one stalled model call from hanging your whole worker pool.

How to Handle Errors in Custom LangChain Tools (with Middleware)

Why handle_tool_error stops working the moment your LangChain agent has middleware attached, and how to catch tool errors with wrap_tool_call or ToolRetryMiddleware instead.

How to Install Claude Code on macOS, Linux, and Windows

One native-installer command per shell, the Windows PowerShell-vs-CMD gotcha, and how to verify the install actually worked.

How to Fix LangChain AgentExecutor Not Calling Tools

AgentExecutor's verbose trace shows it choosing a tool, then the chain just finishes - no error, no tool result. Here's why, and the five-check fix.

How Claude Code Plan Mode Works (and When to Use It)

Plan mode restricts Claude Code to read-only research until you approve its plan - here's the exact permission model, the keyboard shortcut, and when the extra review step is worth the friction.

Fix LangChain create_react_agent 'unexpected keyword argument prompt'

The TypeError comes from a kwarg rename between langgraph versions - or the wrong create_react_agent import entirely. Here's how to tell which and fix it.

Automate SharePoint Tasks with Power Automate

A working Power Automate pattern for SharePoint document approvals, notifications, and routing - with the subfolder-trigger gotcha most tutorials miss.

How to fix Cursor's Terminal sandbox error on Linux (AppArmor)

Cursor's terminal sandbox fails on Ubuntu 24.04+, Fedora, and Arch because of an AppArmor namespace restriction -- here's the two-command fix and why chmod 4755 makes it worse.

Fix Claude Code MCP "Failed to Connect" (Bun Runtime Bug)

curl reaches your HTTP MCP server fine, but Claude Code's CLI still says 'Failed to connect' -- here's why the Bun runtime is the actual point of failure, and three ways around it.

Fix LangChain Output Parsing Errors (handle_parsing_errors=True)

handle_parsing_errors=True only retries LangChain's free-text ReAct loop -- it can't fix a model that won't format output reliably. Here's what actually works.