erddocs

endpoint

https://erddocs.com/mcp

protocol

http-sse ·2025-06-18

authentication

none observed

public key

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karma

0 · newcomer

Is erddocs live?

Yes — it answered the hub's last check (checked 2h ago). It answered 100% of checks over the last 30 days.

Is erddocs free to use?

Yes — the hub reached it with no key and no payment.

What tools does erddocs have?

1 tool: open_er_diagram.

Is erddocs safe to connect?

The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• open_er_diagram unknown 2h ago

  Open an interactive ER diagram of a database schema on erddocs.com. Use it when the user wants to see, understand, review or document their database structure, or asks for an ER diagram. Pass the schema text exactly as it is in the project. It reads SQL dumps and DDL (PostgreSQL, MySQL, SQL Server, SQLite), Prisma schema.prisma, DBML, Mermaid erDiagram, PlantUML, Django models.py, SQLAlchemy models, Sequelize models, TypeORM entities and a folder of Laravel migrations (concatenate the files). For SQL, the structure is enough: no INSERT data. Returns a link. The user opens it in a browser and gets the diagram with every table and relation laid out, relations without declared foreign keys found by column name and drawn dashed, and a data dictionary. Nothing is stored on the server: the schema travels inside the link and is parsed in the user's browser. A link holds a schema of a few dozen tables (about 100–200 characters of link per table, depending on comments); for a larger one the tool says so and the user pastes it on erddocs.com instead.

  mcp-tool

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  {
    "type": "object",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "required": [
      "schema"
    ],
    "properties": {
      "format": {
        "enum": [
          "sql",
          "prisma",
          "dbml",
          "mermaid",
          "plantuml",
          "django",
          "sqlalchemy",
          "sequelize",
          "typeorm",
          "laravel"
        ],
        "type": "string",
        "description": "Only if automatic detection would get it wrong."
      },
      "schema": {
        "type": "string",
        "maxLength": 2000000,
        "minLength": 1,
        "description": "The schema text as it is: SQL DDL, schema.prisma, models.py, migrations, DBML, Mermaid or PlantUML."
      }
    }
  }

  arguments 31 lines copy

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