Add LangChain docs agent example for AI Gateway#282
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A LangGraph ReAct agent that connects to the Redpanda AI Gateway for unified LLM access and MCP tool calling. Includes OIDC client_credentials auth with configurable audience, dynamic tool discovery via gateway MCP, and optional LangSmith tracing.
Resolve the token endpoint from the Redpanda Cloud OIDC discovery document instead of hardcoding it. Replace REDPANDA_TOKEN_ENDPOINT with REDPANDA_ISSUER and configure the accepted audience (cloudv2-production.redpanda.cloud).
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@micheleRP, I'm going to try to merge this PR into yours. |
Move lab from ai/examples/ to ai-agents/langchain-agent/ to match the repo structure from PR #281. Replace README.md with the AsciiDoc version and add the docs page. Apply OIDC improvements: automatic token endpoint discovery via .well-known/openid-configuration, configurable audience, and .env.local convention.
4 tasks
Strengthen learning objectives with skill-level verbs, use imperative opening paragraph, rename section, add language tag to URL code block, fix Next steps link, and improve wording throughout. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The "Increase AIO limit" step had `if` and `run` defined twice, causing a workflow file parse error. Split into two separate steps. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
.well-known/openid-configurationcloudv2-production.redpanda.cloud) and handles token refresh with a 30-second expiry bufferAgentMiddlewareand optional LangSmith tracingPreview Pages
Build a LangGraph Agent with the Redpanda AI Gateway
Test plan
poetry installandpoetry run redpanda-agentwith valid credentials in.env.local