Graphviz is required for the default local/in-process rendering mode. Mermaid CLI and PlantUML are optional — install them only if you need those specific rendering engines locally.
diagrams-mcp source profile. From the maintainer documentation: “Graphviz is required for the default local/in-process rendering mode. Mermaid CLI and PlantUML are optional — install them only if you need those specific rendering engines locally.”
The documented pypi package is diagrams-mcp-server. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| list_providers | ) → list[str] — List all diagram providers (aws, gcp, k8s, azure, onprem, etc.) |
| list_services | provider) → list[str] — List service categories within a provider (e.g. aws → compute, database, network) |
| list_nodes | provider, service) → list[dict] — List node classes for a provider.service pair with import paths |
| search_nodes | query) → list[dict] — Search for nodes by keyword across all providers (e.g. "postgres", "lambda") |
| render_diagram | code) → Image (PNG) — Execute a Python script using mingrammer/diagrams in a sandboxed subprocess. Returns a rendered cloud architecture diagram. |
| render_mermaid | definition) → Image (PNG/SVG) — Render a Mermaid diagram definition (flowcharts, sequence, class, ER, state, Gantt, and more). |
| render_plantuml | definition) → Image (PNG) — Render a PlantUML diagram definition (sequence, class, component, activity, state, deployment). |
| find_equivalent | node, target_provider?) → dict — Find equivalent services across cloud providers (e.g. EC2 → ComputeEngine on GCP). |
| list_categories | ) → list[dict] — List all 30 infrastructure role categories with mapped nodes across providers. |
{
"mcpServers": {
"diagrams-mcp": {
"command": "uvx",
"args": [
"diagrams-mcp-server"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.
Retrieve version-aware library documentation and code examples with Context7 MCP, using resolve-library-id and query-docs.
Use Microsoft’s Playwright MCP server to navigate pages, inspect accessibility snapshots, fill forms and capture browser screenshots.
Connect GitHub MCP to repositories, issues and pull requests with GitHub’s hosted service or a locally run server.
Use the Supabase MCP server to inspect database schemas, query project data and retrieve docs through a project-scoped connection.
Search Linear issues and projects, inspect work context and manage updates through Linear’s hosted MCP server with OAuth.