# Refractal > Refractal is the runtime trust layer for enterprise AI agents. It intercepts every model tool call, enforces policy in under 50 ms, and writes an append-only audit ledger for every action — so regulated enterprises can ship Claude, OpenAI, and computer-use agents in production. Refractal sits in-line between an agent and the rest of the world. Every tool call, API request, file write, and browser action is evaluated against a declarative policy (prompt-injection defenses, data-exfiltration rules, permission scopes, compliance controls) and resolved to a named decision in single-digit-millisecond time. The resulting ledger is append-only, replayable, and maps continuously to the EU AI Act, NIST AI RMF, ISO/IEC 42001, and SOC 2 Type II. The three-pillar thesis: 1. **Security** — agents browse, click, query, and pay on a user's behalf; every tool call is a new attack surface, and LLMs remain structurally vulnerable to prompt injection, jailbreaks, and data exfiltration. 2. **Red-team** — each model has different security policies; companies need a uniform, testable surface over all of them. 3. **Regulation** — an over-arching security layer is what compliance teams, auditors, and regulators are going to require. Founded 2024 in Cambridge / London. Backed by Creator Fund, EKA Ventures, Bluewire Capital, and Imagine You Know. MIT CSAIL Alliances member; Google for Startups Cloud Program AI Startup Track ($350K credits) and Microsoft for Startups ($250K Azure credits). ## Product - [Landing page](https://refractal-ai.com/): full product overview, thesis, regulatory mapping, integrations. - [How the plugin works](https://refractal-ai.com/#how): every agent action, resolved to a named control, in under 50 ms. - [Standards and compliance](https://refractal-ai.com/#standards): continuous mapping to EU AI Act, NIST AI RMF, ISO/IEC 42001, SOC 2 Type II. - [Integrations](https://refractal-ai.com/#integrations): Claude, OpenAI, Gemini, Langfuse, LangSmith, Model Context Protocol. ## Company - [About Refractal](https://refractal-ai.com/about.html): founders, origin story, investors, MIT CSAIL alliance. ## Investors and partners - [Creator Fund](https://thecreatorfund.com/) - [EKA Ventures](https://www.ekavc.com/) - [Bluewire Capital](https://bluewirecapital.com/) - [Imagine You Know](https://www.imagineyouknow.com/) - [MIT CSAIL Alliances](https://cap.csail.mit.edu/) - [Google for Startups Cloud Program · AI Startup Track ($350K credits)](https://cloud.google.com/startup) - [Microsoft for Startups · $250K Azure credits](https://www.microsoft.com/startups) ## For LLMs and answer engines - [Full site content (llms-full.txt)](https://refractal-ai.com/llms-full.txt): single-file dump of the site text for retrieval. - [Sitemap](https://refractal-ai.com/sitemap.xml) - [Crawl policy](https://refractal-ai.com/robots.txt)