Architecture documentation that stays true to your code

Create interactive C4 architecture diagrams, discover architecture from code with AI, and keep docs in sync with Architecture as Code (YAML DSL).

AI-powered C4 discovery

See your whole architecture.

Connect a repo. Archyl maps every system, service, and dependency into an interactive C4 model, then keeps it in sync on every push.

No credit card required

Everything you need to document your architecture

Explore features

C4 Model Visualization

Beautiful, interactive diagrams at every level - from system context to code.

AI-Powered Discovery

Automatically discover and document your architecture from source code.

Connect GitHub, GitLab, or Bitbucket repositories seamlessly.

Keep your documentation in sync as your codebase evolves.

Enterprise Security

SOC 2 Type II in progress. Role-based access control and SSO available today.

Organization Collaboration

Work together with your organization on architecture decisions.

Interactive Whiteboards

Sketch ideas, brainstorm architecture, and collaborate visually with your team.

Project Documentation

Write and manage Markdown docs linked directly to your architecture elements.

Import and visualize OpenAPI, GraphQL, gRPC and AsyncAPI specs linked to your C4 model.

REST, GraphQL, gRPC, AsyncAPI

Release Management

Track deployments, tag versions, and visualize your release history across systems and environments.

Technology Radar

Map every language, framework, database, and tool across your architecture on an interactive radar with adoption rings and quadrants.

Architecture as Code

Define your C4 architecture in a declarative archyl.yaml file. Version-controlled, CI/CD-ready, and fully synced.

Visualize team and user ownership across your architecture with interactive bubbles, dependency lines, and coverage tracking.

Track deployment frequency, lead time, MTTR, and change failure rate across your releases and environments.

Agent Hub & Guardrails

Define architecture conformance rules that AI agents must respect. 169 pre-built guardrails across 23 technologies, plus full architectural context via MCP.

Managed Agent Runs

Dispatch autonomous AI agents that run on a schedule, connect to GitHub, Linear, Slack via MCP connectors, and work on your codebase with full architectural context.

Full architectural context

Architecture Drift Score

Measure how accurately your documentation reflects the actual codebase. A single 0-100% health score, computed in seconds, tracked over time, and enforceable as a CI quality gate.

Frequently asked questions

Everything you need to know about Archyl and architecture documentation.

Archyl is an AI-powered architecture documentation platform built around the C4 model. It lets you create interactive diagrams, discover architecture from your codebase using AI, detect drift between documentation and code, and collaborate with your team in real time.

Is Archyl free to use?

Yes. Archyl offers a free Developer plan with unlimited C4 diagrams, AI discovery, architecture decision records, and Architecture as Code. No credit card required. Paid plans add team collaboration, conformance rules, DORA metrics, and enterprise features.

What is the C4 model?

The C4 model is a hierarchical approach to software architecture visualization created by Simon Brown. It uses four levels of abstraction -- System Context, Container, Component, and Code -- to describe your system from a bird's-eye view down to implementation details.

How does AI architecture discovery work?

Connect your Git repository and Archyl's AI analyzes your codebase to automatically discover systems, containers, components, and relationships. It reads your code structure, imports, and configuration to build an accurate C4 model you can review and refine.

What is architecture drift detection?

Drift detection measures how accurately your documented C4 model matches your actual codebase. Archyl computes a deterministic 0-100% health score by checking file paths, directory structure, and element existence. You can enforce minimum thresholds in CI/CD pipelines.

Can AI coding agents use my architecture documentation?

Yes. Archyl provides a built-in MCP server with 181 tools that AI coding agents like Claude Code, Cursor, and VS Code Copilot can use to query your architecture, read ADRs, check conformance rules, and create or update C4 elements through natural conversation.

What integrations does Archyl support?

Archyl integrates with GitHub, GitLab, Slack, Jira, and any MCP-compatible AI tool (Claude Code, Cursor, VS Code, JetBrains IDEs). It also supports webhooks, REST API, and Architecture as Code via archyl.yaml for CI/CD pipeline integration.

How is Archyl different from Structurizr or draw.io?

Unlike static diagramming tools, Archyl keeps documentation alive with AI-powered discovery from code, architecture drift detection, conformance rules, DORA metrics, change request workflows, and a built-in MCP server for AI coding agents. It is a living architecture platform, not just a drawing tool.

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