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MCP server · AI

MCP

by · github.com/likec4/likec4

Visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code

Unclaimed MIT architecturearchitecture-as-codec4diagrams
InstallView source
67Good

Scored 4 days ago · breakdown

About MCP

MCP is an MCP server published by likec4 in the AI category: visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code.

The repository has 5.9K stars and 402 forks, with the last commit 4 days ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add mcp-0f9b -- npx -y @likec4/mcp
npx
npx -y @likec4/mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 4 days ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.

2 checks have not been run yet.

Releases

v1.60.0v1.60.0 · 15 Oct 2026🚀 Features Orthogonal Edge Routing:\ Relationships can now be drawn with horizontal and vertical segments. Set `routing ortho` in a view, append `ortho` to `autoLayout`, or set `styles.defaults.view.routing` in the project configuration…
v1.59.4v1.59.4 · 21 Sep 2026🚀 Features Redesigned Sequence Walkthrough Outline:\ The current step is lifted onto its own card with a larger label, the participants it connects, and its notes rendered inline. Nested fragments now read as depth — the `loop` / `par` /…
v1.59.3v1.59.3 · 2 Sep 2026🚀 Features MCP Apps: `render-view` and `preview-view`:\ `render-view` renders a LikeC4 view as an interactive diagram (pan/zoom/fit) inline in MCP hosts that support MCP Apps, alongside the existing text-only `read-view`. `preview-view`…
v1.59.2v1.59.2 · 22 Jul 2026🐞 Bug Fixes Fixed dynamic views that reference imported elements from another project. Thanks @ckeller42, https://github.com/likec4/likec4/pull/3135, fixes #2989 Allow dynamic view flow keywords such as `alt` to be used as metadata keys…
v1.59.1v1.59.1 · 20 Jul 2026🐞 Bug Fixes Project `exclude` patterns now match Windows drive-letter URI paths, and workspace startup loads files from configured `include` paths. Thanks @ckeller42, #3107, fixes #2546 Fixed rendering of self-loops in sequence diagrams…

README

Architecture as a code

Português (Brasil) | 简体中文 | 日本語

Visualize, collaborate on, and evolve your software architecture with always up-to-date, live diagrams generated from your code.

docs - playground - demo

NPM Version NPM Downloads VSCode Installs Open VSX Installs MCP Toplist

vscode extension

What is LikeC4? Why "like"?

LikeC4 is a modeling language for describing software architecture and tools to generate diagrams from the model.

LikeC4 is inspired by C4 Model and Structurizr DSL, but provides some flexibility. You customize or define your own notation, element types, and any number of nested levels in architecture model.
Perfectly tailored to your needs.

What does LikeC4 look like?

LikeC4 source:

Run CLI to preview:

npx likec4 start

And result:

Template repository - likec4/template
Deployed - https://template.likec4.dev

Open in StackBlitz

Check Tutorial - for a quick overview of LikeC4.

Getting help

We are always happy to help you get started:

Contributors

Become a contributor

Support development

LikeC4 is a MIT-licensed open source project with its ongoing development made possible entirely by your support.
If you like the project, please consider contributing financially to help grow and improve it.
You can support us via OpenCollective or GitHub Sponsors.

License

This project is released under the MIT License

README fetched from the repository 4 days ago. The original is authoritative.

Questions

About MCP

How do I install MCP?

Run claude mcp add mcp-0f9b -- npx -y @likec4/mcp, then add the server to your MCP client's configuration.

Is MCP safe to use with an AI agent?

Its trust score is 67 out of 100 (good). It passes 4 of the 4 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is MCP still maintained?

Yes — the latest release is v1.60.0 (15 Oct 2026), and the last commit was 4 days ago. The repository has 5.9K stars and 193 open issues.