Give your custom app a smart AI chatbot backend with memory

flowchart TD trig>"user sends chat message"]:::trig s0["find or create session"]:::task s1["summarize earlier messages"]:::task s2["generate AI answer"]:::task s3["send reply to app"]:::task trig --> s0 s0 --> s1 s2 --> s3 gx{"× does answer need tools"}:::gate s1 --> gx p00["call external tool"]:::task gx -->|"needs outside tool"| p00 p01["use result in answer"]:::task p00 --> p01 p10["answer directly from context"]:::task gx -->|"no tool needed"| p10 jn{"○ continue to reply"}:::gate p01 --> jn p10 --> jn jn --> s2 out[/"AI reply delivered to app"/]:::out pay{{"custom chatbot without building a backend"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff