15:16
2026-10-10
m3.sineframe.com
ai-agents
Claude Code and Codex break on different MCP features
A test of ten MCP features against Claude Code 2.1.287 (claude-sonnet-5-5) and Codex 0.162.0 (gpt-5.6-sol) on 9 October 2026 found that five features worked on one agent and failed on the other, with …