ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

2026-08-20 13:12:50 +00:00
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+# Provider Selection (anthropic, openai, or openrouter)
+PROVIDER=anthropic
+
+# API Keys - Set the key for your chosen provider
+ANTHROPIC_API_KEY=your_anthropic_api_key_here
+OPENAI_API_KEY=your_openai_api_key_here
+OPENROUTER_API_KEY=your_openrouter_api_key_here
+
+# OPENROUTER_API_KEY doubles as a UNIVERSAL FALLBACK:
+# If PROVIDER=anthropic but ANTHROPIC_API_KEY is missing, or PROVIDER=openai but
+# OPENAI_API_KEY is missing, the agent automatically routes through OpenRouter
+# using the OpenAI-compatible API (as long as OPENROUTER_API_KEY is set).
+# On fallback the model id is mapped/prefixed automatically:
+#   claude-sonnet-* -> anthropic/claude-sonnet-4.6
+#   claude-haiku-*  -> anthropic/claude-haiku-4.5
+#   claude-opus-* / other claude-* -> anthropic/claude-opus-4.8
+#   gpt-* / o1-*    -> openai/<model>   (e.g. gpt-4o-mini -> openai/gpt-4o-mini)
+# So you can run with ONLY an OPENROUTER_API_KEY set.
+
+# Model Configuration - Use model appropriate for your provider
+# For Anthropic:
+DEFAULT_MODEL=claude-sonnet-4-20250514
+# For OpenAI:
+# DEFAULT_MODEL=gpt-4-turbo
+# For OpenRouter (can use any provider's models):
+# DEFAULT_MODEL=anthropic/claude-sonnet-4
+
+# Agent Configuration
+MAX_ITERATIONS=50
+MAX_TOKENS=8192
+
+# Working Directory (optional, defaults to current directory)
+WORKING_DIRECTORY=