Mermaid Chart

Validates Mermaid syntax, renders diagrams as high-quality SVG, and displays them instantly in an interactive UI where users can preview, zoom, and iterate in real time.

View in the Claude registry

Integration type: Connector
Verification status: Verified connector
Platform: Claude
Category: Content & Design
Primary Subcategory: Diagramming & Flowchart Tools
Secondary Subcategories: Charts, Diagrams & Visual Collaboration Mind Mapping Tools Whiteboards & Visual Collaboration Canvases
Brand: Mermaid Chart
Access: No account required
First tracked: 2025-11-12
Tool count: 1
Geography: US

Claude Discoverability Score

Live · refreshed daily

Mermaid Chart in Diagramming & Flowchart Tools

59/100

Emerging

#4of 9competitors

Shown to buyers in 58.6% of contested Runs.

How this score is measured

Improve your score Talk to our team

What we measure

One core score. Three important factors to discoverability.

Picked
· 58.6/100
Sets the score
Found
· 49.4/100
Diagnostic
Positioned
· 70.8/100
Diagnostic

Primary Subcategory

Competing in Claude Diagramming & Flowchart Tools

View Category

#4 of 9ranked by public Discoverability Score

Primary Subcategory

1Lucid100/100

2Whimsical98/100

3tldraw77/100

4Mermaid Chart59/100

5Miro58/100

Score explained

What does 59/100 mean?

59 is Mermaid Chart's rounded picker appearance rate. It appeared in the connector picker, or Claude invoked it directly, in 58.6% of contested conversations. All three measures are important to discoverability: Picked determines the headline score, Found shows how often Claude found Mermaid Chart in connector search, and Positioned shows where it appeared in the picker.

InvisibleBuriedEmergingCompetitiveWinning

Mermaid Chart is 1 point from Competitive.

FoundDiagnostic

Whether Claude found your Connector in connector search. It must be Found before it can reach the picker, but the score counts picker appearances—not search results.

PickedMain score

How often your Connector appeared in the picker, or Claude invoked it directly, across contested conversations. This percentage is the Discoverability Score; the headline number is rounded.

PositionedDiagnostic

What position your Connector appeared in when it was shown in the picker. This shows prominence, but it does not affect the score.

Read the full scoring methodology Recommended guideHow to get your Claude Connector organically discoveredFollow the practical steps agents use to find, shortlist, and choose your Connector.

Tools

1 tool agents can invoke

Use this tool to output a Mermaid diagram: - The tool will validate the diagram syntax and render it to a UI widget. - The widget will contain the diagram code, a "Copy Code" button, and a rendered diagram. - If the diagram is invalid, the widget will give user a link to repair the diagram in Mermaid Live.
validate_and_render_mermaid_diagram

Mermaid Chart FAQ

How do I improve a Verified connector's discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are Mermaid Chart alternatives on Claude?

As of 2026-08-14, Mermaid Chart competes with Lucid, Whimsical, tldraw, Miro, Canva, Excalidraw, Eraser, draw.io in Claude Diagramming & Flowchart Tools, ranked by public Discoverability Score.

Where does Mermaid Chart rank in Diagramming & Flowchart Tools on Claude?

As of 2026-08-14, Mermaid Chart ranks #4 of 9 in Claude Diagramming & Flowchart Tools with a Discoverability Score of 59/100 (Emerging).

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.