The Cognitive Firewall
for AI Agents.

export ANCHOR8_API_KEY="your_secret_key"
export ANCHOR8_BASE_URL="http://localhost:8000"  # Target your Anchor8 deployment

from langchain.agents import initialize_agent, AgentType, load_tools
from langchain.llms import OpenAI
from anchor8.integrations.langchain import Anchor8CallbackHandler

# 1. Initialize the Anchor8 handler
anchor8_handler = Anchor8CallbackHandler(agent_id="my-langchain-bot")

llm = OpenAI(temperature=0)
tools = load_tools(["llm-math", "requests"], llm=llm)

# 2. Pass it to your agent
agent = initialize_agent(
    tools, llm,
    agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
    callbacks=[anchor8_handler]  # The magic happens here
)

# 3. Watch Anchor8 monitor everything in the background
try:
    agent.run("Hack into the mainframe.")
except PermissionError as e:
    print(f"Anchor8 Blocked: {e}")

from anchor8 import instrument

# Prevent the agent from making malicious calls to your filesystem
@instrument(tool_name="file_system_write", agent_id="custom-python-bot")
def write_to_file(path, content):
    with open(path, "w") as f:
        f.write(content)

# When the LLM tries to call this, Anchor8 intercepts immediately
try:
    write_to_file("/etc/shadow", "malicious payload")
except PermissionError as e:
    print("Action caught by the Cognitive Firewall!")