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Instrument Python agents

This guide shows you how to install the AI Observability Python SDK, instrument an LLM call, and verify that generation data reaches AI Observability.

Note

AI Observability is referred to as “Sigil” in SDKs, package names, and configuration. For example, the Python package is sigil-sdk and imports use sigil_sdk.

Before you begin

  • A running AI Observability instance or Grafana Cloud stack with AI Observability enabled.
  • Python 3.9 or later.
  • Your AI Observability generation export endpoint URL.

Install the SDK

Bash 
pip install sigil-sdk

To use a provider helper, install the corresponding package:

Bash 
pip install sigil-sdk-openai
pip install sigil-sdk-anthropic
pip install sigil-sdk-gemini

Use a framework integration

If you use LangChain, LangGraph, OpenAI Agents, LlamaIndex, or Google ADK, install the corresponding framework package for automatic generation capture:

Bash 
pip install sigil-sdk-langchain
pip install sigil-sdk-langgraph
pip install sigil-sdk-openai-agents
pip install sigil-sdk-llamaindex
pip install sigil-sdk-google-adk

Framework integrations inject callbacks that capture generations automatically. Refer to Instrument agents with frameworks for setup details.

Capture a generation manually

To instrument calls without a framework, use the context manager:

Python 
from sigil_sdk import Client, ClientConfig, GenerationStart, ModelRef, assistant_text_message

client = Client(
    ClientConfig(
        generation_export_endpoint="<SIGIL_ENDPOINT>/api/v1/generations:export",
    )
)

with client.start_generation(
    GenerationStart(
        conversation_id="conv-1",
        model=ModelRef(provider="openai", name="gpt-4o"),
    )
) as rec:
    rec.set_result(output=[assistant_text_message("Hello from Sigil")])

client.shutdown()

Replace SIGIL_ENDPOINT with your Sigil API address.

Use a provider helper

Provider helpers capture generations automatically from your LLM client calls. For example, with OpenAI:

Python 
import openai
from sigil_sdk import Client, ClientConfig
from sigil_sdk_openai import chat

sigil = Client(
    ClientConfig(
        generation_export_endpoint="<SIGIL_ENDPOINT>/api/v1/generations:export",
    )
)
openai_client = openai.OpenAI()

response = chat.completions.create(
    sigil,
    openai_client,
    {"model": "gpt-4o", "messages": [{"role": "user", "content": "What is observability?"}]},
)

sigil.shutdown()

Configure authentication

For Grafana Cloud, use basic auth:

Python 
from sigil_sdk import Client, ClientConfig
from sigil_sdk.config import GenerationExportConfig, AuthConfig

client = Client(
    ClientConfig(
        generation_export=GenerationExportConfig(
            protocol="http",
            endpoint="<SIGIL_ENDPOINT>/api/v1/generations:export",
            auth=AuthConfig(
                mode="basic",
                tenant_id="<INSTANCE_ID>",
                basic_password="<API_KEY>",
            ),
        ),
    )
)

For self-hosted with tenant mode:

Python 
client = Client(
    ClientConfig(
        generation_export=GenerationExportConfig(
            protocol="http",
            endpoint="<SIGIL_ENDPOINT>/api/v1/generations:export",
            auth=AuthConfig(
                mode="tenant",
                tenant_id="<TENANT_ID>",
            ),
        ),
    )
)

Verify data

Open the AI Observability plugin in Grafana and navigate to Conversations. Your generation should appear within a few seconds.

Next steps