Connect Tools and MCP Servers to CrewAI Agents Give an agent working tools - custom Python, prebuilt , or MCP servers - without the 0.x-era mistakes that fail silently. Verified against crewai 1.15.22 and 1.15.23 on 2026-10-01. Live-tested on CrewAI AMP and real LLMs on 2026-10-01. Run first; if the major/minor differs from 1.15, re-verify version-sensitive rows with the skill before trusting them. --- 1. Pick the mechanism | You need | Use | Section | |---|---|---| | A quick Python function as a tool | from | 3 | | A tool with config, state, or a documented input schema | subclass with | 3 |…