RBEK Python SDK

Keep your orchestrator. Govern the execution boundary.

Your framework decides what to do. RBEK decides what may execute.

Install the Python SDK

pip install rbek

60-second quickstart

Start with a simple business rule. This example performs local policy evaluation only. It does not invoke an external provider and is not canonical RBEK gate authorization.

from rbek import GovernedAction, Policy

policy = Policy.allow_if("amount <= 100")
action = GovernedAction("purchase", policy=policy)

allowed = action.evaluate(amount=75)
denied = action.evaluate(amount=150)

print(allowed.status)  # ALLOWED
print(denied.status)   # DENIED

Real governed execution

Real governed execution requires the RBEK CLI.

The Python SDK can evaluate local business policy without the CLI, but provider execution crosses the RBEK CLI boundary.

Install the CLI:

curl -fsSL https://releases.rbekplatform.com/cli/stable/install.sh | bash

Then bind a governed capability:

from rbek import CLIExecutionBinding, GovernedAction, Policy

policy = Policy.allow_if(
    "latitude >= -90 and latitude <= 90"
)

binding = CLIExecutionBinding(
    provider="open-meteo",
    capability="weather.current",
)

action = GovernedAction(
    "weather",
    policy=policy,
    binding=binding,
)

result = action.execute(
    latitude=32.66,
    longitude=-16.92,
)

print(result.status)

If the CLI cannot be found, the SDK fails closed with RBEKCLIUnavailable and shows the official installer command.

Advanced installations may provide cli_path= explicitly.

RBEK Python SDK candidate

RBEK is the governed execution layer for AI agents, workflows and software.

Your framework or application decides what it wants to do. RBEK decides what may execute at the governed execution boundary.

60-second governed action

from rbek import CLIExecutionBinding, GovernedAction, Policy

weather = GovernedAction(
    name="weather.current",
    policy=Policy.allow_if(
        "latitude <= 90",
        deny_reason="Latitude outside business policy",
    ),
    binding=CLIExecutionBinding(
        provider="open-meteo",
    ),
)

result = weather.execute(
    latitude=32.66,
    longitude=-16.92,
)

print(result.status)
print(result.executed)
print(result.output)

The public Python layer stays small:

• Policy
• GovernedAction
• GovernedResult
• CLIExecutionBinding

CLIExecutionBinding sends a versioned declarative JSON request to:

rbek-cli developer execute

The developer does not manage project roots, provider registration files, plans, gates or evidence paths for this managed execution path.

Two different policy roles

Policy.allow_if(...) is a deterministic pre-execution business policy in the Python SDK. If it denies, the execution binding is not called.

It is not claimed to be equivalent to the canonical RBEK runtime gate policy.

After the SDK business policy allows an action, RBEK CLI remains the execution authority and the private runtime materializes the governed execution inputs before the canonical gate and provider execution.

Framework-agnostic integration

Keep your orchestrator. Govern the execution boundary.

The same GovernedAction pattern can be called from plain Python or wrapped by an agent/workflow framework. Framework-specific examples are reference integrations; they do not move orchestration authority into RBEK.

Publication status

This source tree is the release candidate for rbek 0.3.0a3.

Publication requires a separate certification and explicit authorization.