CrewAI agents use Pexafy through its MCP server, https://mcp.pexafy.com/mcp, with your API key in the Authorization header. The agent searches free-to-use photos (Unsplash, Pexels, Pixabay and more) and gets each one back with its licence and credit line.

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Install

pip install crewai
export PEXAFY_API_KEY="pexafy_..."   # free key: pexafy.com/dashboard/api-keys/create
export OPENAI_API_KEY="sk-..."       # CrewAI's default model provider

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Use

import os

from crewai import Agent, Crew, Task
from crewai.mcp import MCPServerHTTP, create_static_tool_filter

illustrator = Agent(
    role="Illustrator",
    goal="Find free stock photos and give each photo's credit line",
    backstory="You pick real photos that match what a text is about.",
    mcps=[
        MCPServerHTTP(
            url="https://mcp.pexafy.com/mcp",
            headers={"Authorization": f"Bearer {os.environ['PEXAFY_API_KEY']}"},
            tool_filter=create_static_tool_filter(
                allowed_tool_names=["search_photos", "search_photos_by_image"]
            ),
        )
    ],
)

task = Task(
    description="Find a header photo for a post about remote work.",
    expected_output="The photo URL and its credit line.",
    agent=illustrator,
)

print(Crew(agents=[illustrator], tasks=[task]).kickoff())
The tool filter keeps the two search tools. The other tools are for chat clients, where a person views a photo grid or links an account. On the free plan, show the credit line next to each photo you publish. See MCP server for the full tool list.