@forinda/kickjs-ai

LLM providers, controller routes as model-callable tools, an agent loop, chat memory, and retrieval-augmented generation. The AI guide walks through each piece.

Installation

>_

pnpm add @forinda/kickjs-ai

Optional peers: @anthropic-ai/sdk for AnthropicProvider, pg for PgVectorStore with a connection string, zod (or any schema library @forinda/kickjs-schema supports) for route and tool schemas.

Exports

Adapter and tokens

Export	Description
AiAdapter	Adapter factory: registers the provider, discovers tools, runs agent loops
AI_ADAPTER	DI token for the adapter instance (AiAdapterInstance)
AI_PROVIDER	DI token for the configured AiProvider
VECTOR_STORE	DI token for a VectorStore you register
AI_TOOL_METADATA	Metadata key @AiTool writes

Tools

Export	Description
@AiTool(opts)	Expose a controller method as a tool (description, name, inputSchema)
getAiToolMeta	Read @AiTool options for a method
isAiTool	Whether a method carries @AiTool

Providers

Export	Description
OpenAIProvider	OpenAI Chat Completions and embeddings, and OpenAI-compatible endpoints
AnthropicProvider	Claude through @anthropic-ai/sdk; no embeddings
ProviderError	Error with the HTTP status and response body of a failed provider call

Prompts and memory

Export	Description
createPrompt / Prompt	templates (dotted paths resolve nested values)
InMemoryChatMemory	Process-local conversation history
SlidingWindowChatMemory	Wraps a memory with a message cap; pins the first system message

RAG

Export	Description
RagService	new RagService(provider, store): index, search, augmentChatInput
InMemoryVectorStore	Brute-force cosine search in memory
PgVectorStore	Postgres + pgvector
QdrantVectorStore	Qdrant over REST
PineconeVectorStore	Pinecone over REST
buildWhereClause, buildQdrantFilter, buildPineconeFilter	Filter translators, exported for testing
cosineSimilarity, toPgVector	Vector helpers

AiAdapter options

interface AiAdapterOptions {
  provider: AiProvider
  /** Applied to every runAgent call; per-call values win. */
  defaults?: ChatOptions & { model?: string }
  /** Routes carrying these route flags become tools without @AiTool. */
  exposeWhen?: RouteFlagTest
  /** Routes carrying these route flags are never tools. */
  hideWhen?: RouteFlagTest
}

AiAdapterInstance

Inject with @Inject(AI_ADAPTER).

Method	Description
runAgent(options)	Chat → tool calls → dispatch → feedback until the model answers or maxSteps (default 8)
runAgentWithMemory(options)	One agent turn with history loaded from and saved to a ChatMemory
getProvider(name?)	A registered provider, or the default when name is omitted
registerProvider(name, p)	Mount another provider under name (replaces an existing one with that name)
unregisterProvider(name)	Unmount a provider; the default can't be removed
getTools()	Discovered tool definitions
setServerBaseUrl(url)	Send tool calls to a URL over HTTP instead of through the app (tests driving hooks by hand)

RunAgentOptions adds messages, provider (a registered name or an instance), model, tools ('auto' or a list), maxSteps, headers (sent with every tool call) and signal to ChatOptions. RunAgentResult has content, messages, steps, usage, maxStepsReached, finishReason and refusal.

Chat types

Type	Key fields
ChatMessage	role, content, toolCalls, toolCallId, isError, providerContent
ChatOptions	temperature, topP, maxTokens, stopSequences, effort, signal
ChatResponse	content, toolCalls, usage, finishReason (stop / length / tool_call / content_filter), refusal, providerContent
ChatChunk	content, toolCallDelta (id, index, name, argumentsDelta), done; final chunk finishReason, usage
ChatUsage	promptTokens, completionTokens, totalTokens, cacheReadTokens, cacheWriteTokens
AiProvider	name, chat, stream, embed — implement it for a custom provider

Related

• AI guide — including custom providers
• MCP — expose routes to Model Context Protocol clients
• Route flags