sandy

Record, parameterize, and replay MCP tool call sequences as scenarios.

14|1|Updated Feb 2, 2026
One-click install
npx skills add https://github.com/Sangkwun/sandy --skill sandy
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: sandy
Source: https://github.com/Sangkwun/sandy/tree/main/sandy-skill/skills/sandy
Command: npx skills add https://github.com/Sangkwun/sandy --skill sandy

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill significantly speeds up AI agent operations by allowing them to record, parameterize, and replay sequences of tool calls, eliminating repetitive LLM inference for common tasks.

Core Features & Use Cases

  • Scenario Recording: Save repeatable tool call sequences as reusable scenarios.
  • Parameterization: Define variables within scenarios for dynamic execution.
  • Zero-Cost Replay: Execute saved scenarios without incurring LLM token costs or reasoning time.
  • Use Case: An agent frequently scrapes news headlines and saves them to a database. Sandy allows this workflow to be saved as a scenario and replayed instantly on demand, saving tokens and time.

Quick Start

Use the sandy skill to save the current tool call sequence as a scenario named 'scrape-headlines'.

Frequently Asked Questions about sandy

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate AI agent workflows to reduce LLM token costs?

You can reduce LLM token costs by recording sequences of MCP tool calls as reusable scenarios. This approach replays repeatable tasks without incurring LLM inference costs or reasoning time, accelerating workflows.

What is the best way to record and replay MCP tool call sequences?

The best way to record MCP tool call sequences is to save them as parameterized scenarios. This mechanism stores the workflow chain, allowing dynamic execution later using variables to handle different inputs.

Can I use parameterized scenarios for hybrid automation with LLM judgment?

Yes, you can use parameterized scenarios for hybrid automation with LLM judgment. This supports full automation for repeatable tasks while integrating LLM reasoning for complex decisions within the workflow.

Does zero-cost replay work for AI agents frequently scraping data to databases?

Zero-cost replay works efficiently for AI agents scraping data to databases. By saving the tool call sequence as a scenario, the agent executes the workflow instantly on demand without spending tokens.

What are the limitations of automating workflows with scenario replay?

Scenario replay is limited by its dependence on predefined tool call sequences. Complex, unpredictable tasks requiring dynamic reasoning may not fit this pattern and necessitate hybrid automation with LLM judgment instead.