# Firedrill > Firedrill is a simulation and testing platform for action-taking AI agents. > Connect your existing agent to synthetic Tools with controllable data, > permissions, and faults to find failures before production. Your agent chooses its sequence of Tool calls. You keep the agent code, model, and runner in your application, on your machine, or in CI. Firedrill runs the synthetic Tools and records their activity and state changes. A drill is a saved behavioral test; a run is one attempt. Repeat tests under different starting conditions and on pull requests. Inspect Tool calls, changed records, and check results to understand what happened. Sign in to Firedrill to select Tools and connect your agent. ## Product information - [Product overview](https://firedrill.run/index.md): Simulation, behavioral testing, controlled conditions, and evidence. - [Synthetic Tool library](https://firedrill.run/tools.md): Declared operations, interfaces, state, and faults from the website catalog. - [Pricing](https://firedrill.run/pricing.md): Plans, monthly drill allowances, concurrency limits, and top-ups from the website's pricing data. ## Documentation and getting started - [Documentation](https://docs.firedrill.run/): Product concepts, setup, and reference documentation. - [Documentation index](https://docs.firedrill.run/llms.txt): Markdown links to the current guides, CLI, SDKs, and API reference. - [Quickstart](https://docs.firedrill.run/quickstart): Sign in, choose Tools, connect your agent, and save a test. - [Add Tools](https://docs.firedrill.run/guides/install-tools): Select synthetic dependencies and starting data for a project. - [Author a Tool](https://docs.firedrill.run/guides/create-tool-package): Define and publish reviewed synthetic behavior for your own dependency. - [Pull-request checks](https://docs.firedrill.run/guides/pull-request-ci): Run repeatable agent tests on exact Git revisions and retain evidence for review. - [Firedrill app](https://app.firedrill.run/): Create an account or open your workspace. ## Optional - [Website](https://firedrill.run/): Interactive product walkthrough. - [Contact](https://firedrill.run/contact): Product questions and enterprise requirements. - [Terms of use](https://firedrill.run/terms): Current published terms and review status. - [Privacy policy](https://firedrill.run/privacy): Current privacy information and review status. - [Cookies policy](https://firedrill.run/cookies): Cookie categories and controls.