Functions
This skill allows you to execute external code (like Python or JavaScript) within your conversations, enabling powerful automation and complex logic.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add functions npx -- -y @trustedskills/functions
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"functions": {
"command": "npx",
"args": [
"-y",
"@trustedskills/functions"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill allows AI agents to execute custom functions. It provides a mechanism for integrating external code or logic into the agent's workflow, enabling more complex and specialized tasks than standard capabilities allow. The skill facilitates extending an agent’s functionality without modifying its core architecture.
When to use it
- Performing calculations: Use when you need the AI agent to perform mathematical operations beyond simple arithmetic.
- Accessing external APIs: Integrate with third-party services by defining functions that call those APIs.
- Custom data processing: Implement specific data transformations or manipulations not available through built-in tools.
- Automating repetitive tasks: Define functions to automate workflows and reduce manual intervention.
Key capabilities
- Function execution
- Integration with external code
- Extending agent functionality
- Custom logic implementation
Example prompts
- "Execute the 'calculate_tax' function with a price of 100 and a tax rate of 0.07."
- "Run the 'get_weather' function for London."
- "Please use the 'format_date' function on this date: 2024-01-01."
Tips & gotchas
The functions available to the AI agent are defined externally, so ensure they are properly registered and accessible. Carefully consider security implications when integrating external code or accessing APIs through custom functions.
Tags
TrustedSkills Verification
Unlike other registries that point to live repositories, TrustedSkills pins every skill to a verified commit hash. This protects you from malicious updates — what you install today is exactly what was reviewed and verified.
Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.