MCP sequential-thinkinghttps://github.com/modelcontextprotocol/servers/tree/main/src/sequentialthinkingStep-wise reasoning MCP. DeepSeek-R1https://deepseek.comOpen reasoning model. GPT-5.6 Solhttps://platform.openai.comGPT-5.6 reasoning variant. DeepSeek-V4 Prohttps://deepseek.comDeepSeek V4 reasoning flagship. Nemotron Ultrahttps://build.nvidia.comNVIDIA's open reasoning model. K2 Thinkinghttps://kimi.moonshot.cnKimi K2 reasoning variant. thinking-out-loud skillhttps://github.com/Shubhamsaboo/awesome-llm-apps/tree/main/agent_skills/thinking-out-loudSkill: visible agent reasoning trace.