Turns SQL CREATE TABLE statements into an entity relationship diagram you can print.
Connect Remote server
claude mcp add --transport http er-diagram https://er-diagram.zovo.one/mcp
{
"mcpServers": {
"er-diagram": {
"url": "https://er-diagram.zovo.one/mcp"
}
}
}
{
"servers": {
"er-diagram": {
"type": "http",
"url": "https://er-diagram.zovo.one/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://er-diagram.zovo.one/mcp
Tools 2 found in our last check
make_er_diagramUse this when the user wants an ER diagram, entity relationship diagram or database schema diagram drawn from SQL CREATE TABLE statements, for example "draw an ER diagram of this schema" or "make a PDF of my database tables". Takes the DDL text, a dialect (auto, postgres, mysql,…
check_schemaUse this when the user wants SQL CREATE TABLE statements checked without a drawing, for example "check my schema for broken foreign keys" or "which tables have no primary key". Takes the same DDL text and dialect as make_er_diagram. Returns foreign keys that point to a missing t…
Details
| Endpoint | https://er-diagram.zovo.one/mcp (Streamable HTTP) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | io.github.theluckystrike/er-diagram |
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