Local-first diagrams for AI agents: manage, render, and verify PlantUML & Mermaid against your codebase.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add diagrams -- npx -y diagrams-mcp-server~/.codex/config.toml
[mcp_servers.diagrams]
command = "npx"
args = ["-y", "diagrams-mcp-server"]
# codex mcp add diagrams -- npx -y diagrams-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"diagrams": {
"command": "npx",
"args": [
"-y",
"diagrams-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"diagrams": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"diagrams-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"diagrams": {
"command": "npx",
"args": [
"-y",
"diagrams-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"diagrams": {
"command": "npx",
"args": [
"-y",
"diagrams-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"diagrams": {
"command": "npx",
"args": [
"-y",
"diagrams-mcp-server"
]
}
}
}