agentguardproxy 0.4.0

Python SDK for AgentGuard — the firewall for AI agents

AgentGuard Python SDK

Lightweight Python client for AgentGuard — the firewall for AI agents.

Install

pip install agentguardproxy

# With framework adapters
pip install agentguardproxy[langchain]
pip install agentguardproxy[crewai]
pip install agentguardproxy[browser-use]
pip install agentguardproxy[all]

Quick Start

from agentguard import Guard

guard = Guard("http://localhost:8080", agent_id="my-agent")

# Check before executing
result = guard.check("shell", command="rm -rf ./old_data")

if result.allowed:
    execute(command)
elif result.needs_approval:
    print(f"Approve at: {result.approval_url}")
else:
    print(f"Blocked: {result.reason}")

Framework Adapters

LangChain

from agentguard.adapters.langchain import GuardedToolkit

toolkit = GuardedToolkit(
    tools=my_tools,
    guard_url="http://localhost:8080",
    agent_id="langchain-agent",
)

agent = create_react_agent(llm, toolkit.tools, prompt)

CrewAI

from agentguard.adapters.crewai import guard_crew_tools

guarded_tools = guard_crew_tools(
    tools=my_crew_tools,
    guard_url="http://localhost:8080",
    agent_id="crew-agent",
)

browser-use

from agentguard.adapters.browseruse import GuardedBrowser

browser = GuardedBrowser(guard_url="http://localhost:8080")

result = browser.check_navigation("https://example.com")
if result.allowed:
    await page.goto("https://example.com")

MCP

from agentguard.adapters.mcp import GuardedMCPServer

server = GuardedMCPServer(guard_url="http://localhost:8080")
server.add_tool("my_tool", "Description", handler=my_handler)
server.run()  # Starts stdio MCP server

API Reference

Guard(base_url, agent_id="")

• check(scope, *, action, command, path, domain, url, meta) — Check an action against policy
• approve(approval_id) — Approve a pending action
• deny(approval_id) — Deny a pending action
• wait_for_approval(approval_id, timeout=300) — Block until resolved

CheckResult

• .allowed — True if action is permitted
• .denied — True if action is blocked
• .needs_approval — True if human approval required
• .decision — Raw decision string
• .reason — Explanation
• .approval_url — URL to approve (when applicable)

@guarded(scope, guard=None) decorator

Wraps a function so it's checked before execution.

License

Apache 2.0