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description=Bridges between your agent framework and the Astro runtime;

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adapters overview astro ai documentation for ai agents a documentation index is available at the root level at llms txt append llms txt to any url for a page level index or md for the markdown version of any page search ask ai join discord website docs cli api reference docs cli api reference get started welcome install the cli your first project your first blueprint deploy your first agent managing your agents authentication platform working with accounts managing secrets ai gateway agent card knowledge stores monitor your agents overview frameworks guides using knowledge stores store data with sqlite serve a frontend from your agent connect to oauth protected mcp servers manually authorize requests messaging sdk adapters overview mastra langchain custom adapter node custom adapter python reference astropods spec agent card spec known integrations allowlist egress ips changelog changelog welcome install the cli your first project your first blueprint deploy your first agent managing your agents authentication working with accounts managing secrets ai gateway agent card knowledge stores overview ai sdk mastra claude agent sdk using knowledge stores store data with sqlite serve a frontend from your agent connect to oauth protected mcp servers manually authorize requests node python overview mastra langchain custom adapter node custom adapter python astropods spec agent card spec known integrations allowlist egress ips changelog june 23 2026 june 10 2026 may 28 2026 join discord website light on this page available adapters when to use what how they fit together what an adapter handles for you environment scroll to top guides adapters adapters overview bridges between your agent framework and the astro runtime ask a question copy page view as markdown more actions adapters are the bridge between your agent code and the astro runtime they handle the grpc streaming loop with the messaging sidecar translate framework specific events into the messaging protocol status updates content chunks audio feedback and let you keep using whatever framework you already chose you write serve myagent the adapter handles the rest available adapters package language wraps use when astropods adapter mastra typescript mastra agent you re building with mastra astropods adapter langchain python langchain langgraph you re using create_agent create_react_agent astropods adapter core typescript anything custom node adapter for a framework not yet supported astropods adapter core python anything custom python adapter for a framework not yet supported the core packages contain the framework agnostic agentadapter interface the messagingbridge that drives the grpc streaming loop and a serve entry point the framework adapters mastra langchain are thin wrappers that translate framework specific stream events mastra fullstream chunks langchain astream updates into the shared streamhooks lifecycle when to use what scenario pick mastra agent node typescript astropods adapter mastra langchain or langgraph agent python astropods adapter langchain different framework but node based astropods adapter core implement agentadapter different framework but python based astropods adapter core implement agentadapter no framework calling llm apis directly core treat the llm stream as your fullstream talking to the messaging service from a non agent admin batch skip the adapter and use the messaging sdk directly how they fit together the boundary between adapter core and the messaging sidecar is the messaging sdk grpc stream you only touch the sdk directly when you write a custom adapter or skip the adapter layer entirely what an adapter handles for you connecting to the messaging sidecar with automatic reconnect announcing your agent s name system prompt and tools so they appear in the playground streaming each user message into your code and streaming each chunk of the reply back receiving feedback thumbs up down free form text button clicks and routing it to your handler handling audio messages stt before your agent runs optional tts on the reply tracing when an otel endpoint is set the framework adapters auto wire it environment all adapters share the same environment contract variable default notes grpc_server_addr localhost 9090 messaging sidecar address ast dev injects this automatically otel_exporter_otlp_endpoint unset when set the framework adapter wires otel tracing automatically debug unset when set adapter core logs at debug level local development with ast dev injects grpc_server_addr so the same serve agent call works both locally and in production was this page helpful yes no previous messaging sdk python next mastra adapter built with terms of service privacy policy do not sell or share my personal information cookie preferences 2026 postman all rights reserved