mermaid-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| render_mermaidA | Render Mermaid diagram markup to a PNG image. Returns the image inline so it can be previewed. If |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
TDQS
Scored across 1 tool
Only one tool exists, so there is no ambiguity in purpose. The tool clearly renders Mermaid diagrams to PNG.
The tool name 'render_mermaid' follows a clear verb_noun pattern, consistent with the single tool in the set.
A single tool feels thin for a server, but it may be justified if the sole purpose is rendering. It borders on the lower end of acceptable scope.
The tool covers the core rendering functionality across many diagram types. Minor gaps like syntax validation or listing available diagram types are not critical.