TrustGuard Python SDK

Official Python client for the TrustGuard runtime evaluate API (POST /v1/evaluate). Configure a base URL and an API key, send the payload you want evaluated, and act on the verdict: TrustGuard detects, you enforce.

Install

pip install trustguard-sdk

Requires Python 3.9+. The only dependency is httpx.

Usage

from trustguard import TrustGuard

client = TrustGuard("https://guard.neuraltrust.ai", api_key="YOUR_API_KEY")

response = client.guard({"input": "user text to evaluate"})
if response.is_blocked:
    # block the request
    ...

client.close()  # or use the context manager below

As a context manager:

with TrustGuard("https://guard.neuraltrust.ai", api_key="YOUR_API_KEY") as client:
    response = client.guard({"input": "user text"})

Async

from trustguard import AsyncTrustGuard

async with AsyncTrustGuard("https://guard.neuraltrust.ai", api_key="YOUR_API_KEY") as client:
    response = await client.guard({"input": "user text"})

Options

response = client.guard(
    {"input": "user text"},
    direction="output",            # "input" (default) or "output"
    protocol="llm",                # "all" (default), "llm", "mcp", or "a2a"
    session_id="conversation-42",  # groups multi-turn traffic
    consumer_id="user-7",          # the end user behind the request
    attributes={"content_type": "text/plain"},  # routing hints
)

Attachments

Documents are base64-encoded into payload.attachments for file-aware plugins (or pass a url for the server to fetch):

from trustguard import Attachment

response = client.guard(
    {"input": "summarize this file"},
    attachments=[Attachment(filename="doc.pdf", content_type="application/pdf", data=pdf_bytes)],
)

Response

Errors

Non-2xx responses raise TrustGuardAPIError with status_code, message, trace_id and request_id. Transport failures (timeouts, connection errors) raise the underlying httpx exceptions. The default timeout is 10 seconds (timeout= to change it); pass http_client= to supply your own configured httpx.Client / httpx.AsyncClient.

Development

pip install -e '.[dev]'
ruff check .
pytest