Adds a deep_reasoning tool that consults stronger reasoning models (e.g., DeepSeek R1) to produce full reasoning traces for complex problems, helping the agent shape and cross-check its answers.
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process.env. You'll be asked to provide them before it can run.OPENROUTER_API_KEY— export =sk-or-v1-...REASONING_MODEL— anthropic/claude-opus-4.8 Any OpenRouter model slug (e.g. deepseek/deepseek-r1-0528, openai/o3); claude-opus-4-8 for the anthropic backendREASONING_EFFORT— high openrouter: low/medium/high; anthropic: up to xhigh/maxREASONING_MAX_TOKENS— 32000 Output cap for the reasoning callCORETHINK_API_URLCORETHINK_API_KEYREASONING_BACKEND— openrouter openrouter, anthropic, or corethinkREASONING_MAX_RESULT_CHARS— 32000 Truncation cap on the tool result[](https://m8ven.ai/mcp/dhruv-corethink-reasoning-traces-1mkw4g)