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Build your use case on agentlib.
Open source, MIT, on pub.dev. Install in 60 seconds and wire the primitives your app needs.
use cases
What people build with agentlib.
Every use case below leans on the same eight primitives — composed differently. All of it runs natively on iOS and Android, on-device or in the cloud.
In-app assistant
Build a Claude-Code-grade assistant that runs in your Flutter app on iOS and Android — no Node subprocess, no backend agent runtime.
AgentSpec + RunnerSkillsMCP
Read the use case → Offline / on-device
Run agents on Apple Foundation Models, Gemini Nano, or llama.cpp — and fall back to Anthropic, OpenAI, or Google only when needed.
ModelRouteAgentSpec + Runner
Read the use case → Survives backgrounding
Serialize a run's state, let the OS suspend or kill the app, then resume — even via push — with agentlib's lifecycle hooks.
21 HooksSnapshotsAgentSpec + Runner
Read the use case → MCP on mobile
Connect any Model Context Protocol server over HTTP or WebSocket and expose its tools to an on-device agent as Sh CLIs.
MCPVfs + Sh
Read the use case →