Tools

Agent.md provides three types of tools for your agents.

Built-in Tools

Always available, no configuration needed:

• file_read — Read files from workspace
• file_write — Write files to allowed paths
• http_request — Make HTTP calls (GET, POST, etc.)
• memory_save / memory_append / memory_retrieve — Long-term memory
• skill_use / skill_read_file / skill_run_script — Skills (when enabled)

Learn more →

Custom Tools

Extend with Python:

# workspace/agents/tools/my_tool.py
from langchain_core.tools import tool

@tool
def my_tool(input: str) -> str:
    """What the tool does."""
    return f"Result: {input}"

Create custom tools →

MCP Integration

Use external MCP servers:

mcp:
  - fetch
  - github

MCP integration →