Build AI agents on sensitive data
Deploy Custodian Agents and multi-agent systems backed by your own files, with PII masking built in. No infrastructure, no data leakage.
QuickstartSDKsCustodian Agents — the SDKs
Conversational AI agents in Python or TypeScript/JavaScript: system prompts, few-shot examples, knowledge files (RAG), built-in tools, multi-agent routing, and multi-turn chat — with optional inline PII masking.
Compare the SDKs · Python · TypeScript
from custodian_labs import Custodian
app = Custodian(model="gpt-4o", system_prompt="You are a helpful assistant.").deploy()
print(app.chat("Hello!").response)
Guardian Layer — de-identification
Detect and de-identify PII/PHI in text and files, standalone or inline during chat.
| Mode | Output | Status |
|---|---|---|
| Transform | Realistic stand-in values | Available |
| Mask | ***** | Available |
Placeholder ([PERSON]) | Entity labels | Coming soon |
Pick a path
| I want to… | Start here |
|---|---|
| Try it, no code | Quickstart |
| Build a Custodian Agent | SDKs overview |
| De-identify text or files | Guardian Layer overview |
| Run a full example | Python examples · Colab |
| Manage keys, usage, billing | Dashboard |