TypeScript Frameworks

Reference for @band-ai/sdk 1.0.0.

Frameworks

Constructor: new GoogleADKAdapter(options?: GoogleADKAdapterOptions). The options type is exported from @band-ai/sdk/adapters.

Option	Default	Purpose
`model`	`DEFAULT_GEMINI_MODEL`	Gemini model name
`apiKey`	`Provider lookup`	Explicit Gemini key
`customSection`	`Empty string`	Additional prompt instructions
`enableExecutionReporting`	`false`	Report tool activity
`enableMemoryTools`	`false`	Expose memory tools
`maxHistoryMessages`	`50`	History bound
`maxTranscriptChars`	`100000`	Transcript character bound

Setting	Reference
Peer package	`@google/adk`
Model / runtime	`model`, `DEFAULT_GEMINI_MODEL`

See Google ADK for installation, connection and verification.

Constructor: new LangGraphAdapter(options: LangGraphAdapterOptions). The options type is exported from @band-ai/sdk/adapters.

Option	Default	Purpose
`llm`	`Optional`	LangChain chat model; provide this, graph or graphFactory
`graph`	`Optional`	Prebuilt LangGraph graph
`graphFactory`	`Optional`	Build a graph from the Band tool list
`recursionLimit`	`50`	Graph recursion limit
`maxHistoryMessages`	`100`	History bound
`emitExecutionEvents`	`true`	Report execution events
`includeMemoryTools`	`false`	Expose memory tools

Setting	Reference
Peer package	`@langchain/langgraph`, `@langchain/core`
Model / runtime	`llm`, a LangChain chat model, or a prebuilt `graph`

See LangGraph for installation, connection and verification.

Constructor: new LettaAdapter(options?: LettaAdapterOptions). The options type is exported from @band-ai/sdk/adapters.

Setting	Reference
Peer package	`@letta-ai/letta-client`
Model / runtime	`model`, `"openai/gpt-4o"`

See Letta for installation, connection and verification.

Constructor: new ParlantAdapter(options: ParlantAdapterOptions). The options type is exported from @band-ai/sdk/adapters.

Option	Default	Purpose
`environment`	`Required`	Parlant environment
`baseUrl`	`Unset`	Parlant server URL
`agentId`	`Unset`	Existing agent; cannot combine with systemPrompt or customSection
`headers`	`{}`	Additional request headers
`responseTimeoutSeconds`	`120`	Response timeout
`maxHistoryMessages`	`100`	Prior room messages supplied to a new session

Setting	Reference
Peer package	`parlant-client`
Model / runtime	Set by the Parlant server; `environment` is required

See Parlant for installation, connection and verification.