Perplexity with CAMEL-AI

pip install camel-ai

export PERPLEXITY_API_KEY="your_api_key_here"

from camel.agents import ChatAgent
from camel.toolkits import FunctionTool, SearchToolkit

agent = ChatAgent(
    system_message=(
        "You are a helpful assistant that can use the Perplexity "
        "search engine to answer questions."
    ),
    tools=[FunctionTool(SearchToolkit().search_perplexity)],
)

response = agent.step(
    input_message="What are the latest developments in multi-agent AI systems?",
    response_format=None,
)
print(response.msgs[0].content)

from camel.toolkits import SearchToolkit

toolkit = SearchToolkit()

results = toolkit.search_perplexity(
    query="AI safety research",
    max_results=5,
    max_tokens_per_page=512,
    country="US",
    search_recency_filter="week",                         # hour | day | week | month | year
    search_domain_filter=["arxiv.org", "-medium.com"],   # prefix with '-' to exclude
    search_language_filter=["en"],
)

results = toolkit.search_perplexity(
    query=["NVIDIA earnings", "AMD earnings"],
    max_results=3,
    extra_params={
        "search_after_date_filter": "1/1/2026",
        "search_before_date_filter": "5/1/2026",
    },
)

{
    "id": "...",
    "server_time": "...",
    "results": [
        {
            "title": "...",
            "url": "...",
            "snippet": "...",
            "date": "...",          # may be present
            "last_updated": "...",  # may be present
        },
        # ...
    ],
}