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.
n8n MCP server: build, lint, and debug workflows from your AI agent Nine tools that generate correct n8n JSON, lint for the failure modes that matter, and diagnose silent data loss. Install snippets for Cursor, Claude Code, and six more hosts.
How to fix LangChain MultiServerMCPClient NotImplementedError on Windows MultiServerMCPClient fails on Windows because the default Selector event loop has no subprocess transport. Set the Proactor policy to fix it. Telling four host contexts apart up front.
How to fix Claude Code SessionStart hooks firing without context Plugin SessionStart hooks fire but Claude does not see additionalContext. Move the hook to ~/.claude/settings.json. Plus four similar bugs that need different fixes.
n8n Code node: Run Once for All Items vs Each Item Run Once for All Items uses $input.all() and returns an array; Run Once for Each Item uses $json and returns { json: ... }. Three traps to watch.
How to fix the Make HTTP module 40-second timeout error Make's HTTP module times out individual requests at roughly 40 seconds. The fix is two-layered: retry transient slowness with Break, and redesign the call when the API is reliably slow.
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.
How to fix Power Automate flow 401 / 403 Unauthorized errors 401 = expired connection (fix in Power Automate). 403 = missing permission in target system (fix in SharePoint, Dataverse, Teams, or DLP policy).
Cursor rules not loading: 4 causes and how to fix each Cursor rule not firing? It is almost always one of four things: wrong path, missing frontmatter (defaults to Manual), globs typo, or stale cache. Here is the fix for each.
How to work around Make's 40-minute scenario hard limit Make caps every scenario at 40-45 minutes. The fix is architectural: split into webhook-handed-off children, checkpoint to a Data Store, voluntarily exit at 35:00.