Services

Each service is an Effect.Context.Tag with a corresponding layer. Import the tag to request the service inside an effect.

ConfigService

• File: src/services/ConfigService.ts
• Layer: ConfigService.layer
• Methods:
  • load: Effect<ConfigState> — full configuration record.
  • current: Effect<{provider: Provider; model: string; apiKey?: string}>
  • setProvider(provider: Provider, model: string): Effect<void>

src/services/ConfigService.ts

export class ConfigService extends Context.Tag('ConfigService')<
  ConfigService,
  {
    readonly load: Effect.Effect<ConfigBuilder.Configuration>
    readonly current: Effect.Effect<{
      readonly provider: Provider
      readonly model: string
      readonly apiKey?: string
    }>
    readonly setProvider: (provider: Provider, model: string) => Effect.Effect<void>
  }
>() {}

SessionStore

• File: src/persistence/SessionStore.ts
• Layer: SessionStore.layer
• Methods:
  • createSession(directory: string, title: string): Effect<Session>
  • getSession(projectID: string, sessionID: string): Effect<Option<Session>>
  • saveSession(session: Session): Effect<void>
  • saveMessage(message: StoredMessage): Effect<void>
  • listMessages(sessionID: string): Effect<StoredMessage[]>
  • listSessions: Effect<Session[]>

ToolRegistry

• File: src/services/ToolRegistry.ts
• Layer: ToolRegistry.layer
• Methods:
  • tools: Effect<ToolSet> — map of tool identifiers to handlers.
  • listToolNames: Effect<ReadonlyArray<string>>

src/services/ToolRegistry.ts

export class ToolRegistry extends Context.Tag('ToolRegistry')<
  ToolRegistry,
  {
    readonly tools: Effect.Effect<ToolSet>
    readonly listToolNames: Effect.Effect<ReadonlyArray<string>>
  }
>() {}

VercelAI

• File: src/services/VercelAI.ts
• Layer: VercelAI.layer
• Methods:
  • getModel: Effect<LanguageModel>
  • streamChat(request: StreamChatRequest<TOOLS>): Effect<StreamTextResult<TOOLS>>

MessageService

• File: src/chat/MessageService.ts
• Layer: MessageService.layer
• Methods:
  • sendMessage(input: string, sessionId: string): Effect<void>

Discover more services

Search for extends Context.Tag in src/ to locate other services such as FileTools, SearchTools, and PathValidation.