# Tramlines

> Security guardrail system for MCP (Model Context Protocol) tool execution

Tramlines is a security guardrail system for MCP (Model Context Protocol) tool execution.
It provides a policy-based framework to control and monitor LLM tool interactions with external services.


## Getting Started

- [Installation](https://docs.tramlines.io/getting-started/installation/index.md)

## Policy DSL

- [Extension Reference](https://docs.tramlines.io/dsl/extension-reference/index.md)
- [Policy Reference](https://docs.tramlines.io/dsl/policy-reference/index.md)
- [Rule Reference](https://docs.tramlines.io/dsl/rule-reference/index.md)
- [Testing Reference](https://docs.tramlines.io/dsl/testing-reference/index.md)
- [Overview](https://docs.tramlines.io/dsl/tramlines-language-reference/index.md)

## Security Policies


## Optional

- [Source Code Reference](https://docs.tramlines.io/reference/index.md)