| Provider | Middleware available | Source |
|---|---|---|
| Anthropic | Prompt caching, bash tool, text editor, memory, and file search | langchain-ai/langchain |
| AWS | Prompt caching | langchain-ai/langchain-aws |
| OpenAI | Content moderation | langchain-ai/langchain |
| Cisco AI Defense | Runtime security inspection | cisco-ai-defense/ai-defense-langchain-middleware |
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