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Crayon C4
io.github.SQUORA-NLClaim this server
Power your agent
Add this server
The publisher's own command. Not a PlugMCP endpoint.
Host a copy with our keys and logs.
Local command
npx -y @crayon-c4/[email protected]Credentials from the publisher
- CRAYON_C4_LICENSE_KEY — Optional. Unlocks repository scanning and AI enrichment. Without it, the free tier still gives the full local authoring loop (create/edit elements, relationships, diagrams, validation).
Claude Code has no install link for a local command. Copy the command below and run it in a terminal.
shClaude Code
CRAYON_C4_LICENSE_KEY=<secret> claude mcp add io.github.squora-nl-crayon-c4-mcp -- npx -y @crayon-c4/mcp@1.52.0Run in a terminal.
jsonClaude Desktop
{ "mcpServers": { "io.github.squora-nl-crayon-c4-mcp": { "command": "npx", "args": [ "-y", "@crayon-c4/[email protected]" ], "env": { "CRAYON_C4_LICENSE_KEY": "<secret>" } } }}claude_desktop_config.json
Local · npmPublisher installStep-by-step: add this in Claude
Remote URL or a command on your machine? How the two installs differ
Run on PlugMCP
Host a copy with our keys and logs.
A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
LaunchServer facts
Local- Transport
- stdio
- Version
- 1.52.0
- API key
Tools
Tools
No tool list yet. Remote servers get one after the first health check.
FAQ