What is the key difference between Chart Canvas and Postgres MCP?

Chart Canvas belongs to the Databases category with local stdio execution, while Postgres MCP belongs to the Databases category with local stdio execution.

How do I install Chart Canvas or Postgres MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Chart Canvas and Postgres MCP free or paid?

Chart Canvas operates under a Free / Open Source model (No auth required). Postgres MCP operates under a Free / Open Source model (other).

Which MCP server has more tools and community activity?

Chart Canvas lists 16 tools with 0 views and 1 GitHub stars. Postgres MCP lists 15 tools with 3 views and 10 GitHub stars.

Can I use both Chart Canvas and Postgres MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Chart Canvas vs Postgres MCP

In-depth architectural comparison of the Chart Canvas and Postgres MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Chart Canvas

Databases · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

Postgres MCP

Databases · Local stdio

Quality: 59/100 (Good) | Auth: other

Verdict Summary: Choose Chart Canvas if you need specialized Databases tools running via a local process. Choose Postgres MCP if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Chart Canvas when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: line, bar, scatter.

Explore Chart Canvas Details

Choose Postgres MCP when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: POSTGRES_USER, POSTGRES_PASSWORD, POSTGRES_DB.
Primary tools included: query, execute, explain_query.

Explore Postgres MCP Details

Feature & Specification Comparison

Specification	Chart Canvas Databases	Postgres MCP JaviMaligno Databases
Summary	Create interactive visualizations and query data sources (SQLite, CSV, Parquet, JSON)	PostgreSQL MCP server with 14 tools for querying, schema exploration, and table analysis. Features security-first design with SQL injection prevention and read-only by default.
Category & Scope	Databases

Tools & Capabilities Breakdown

Chart Canvas Tools (16)

line

Line charts with multiple series

bar

Bar charts for comparisons

scatter

Scatter plots for data distribution

pie

Pie charts with labels

table

Data tables with headers

flowchart

Mermaid diagrams (flowcharts, sequence diagrams, Gantt charts, etc.)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Chart Canvas Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "chart-canvas": {
      "command": "npx",
      "args": [
        "-y",
        "@gluip/chart-canvas-mcp"
      ]
    }
  }
}

Postgres MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "javimaligno-postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "npx"
      ],
      "env": {
        "POSTGRES_USER": "YOUR_POSTGRES_USER_HERE",
        "POSTGRES_PASSWORD": "YOUR_POSTGRES_PASSWORD_HERE",
        "POSTGRES_DB": "YOUR_POSTGRES_DB_HERE"
      }
    }
  }
}

Frequently Asked Questions

Chart Canvas is categorized under Databases and uses a local stdio subprocess. In contrast, Postgres MCP belongs to Databases using local stdio subprocess. Select Chart Canvas when you need capabilities focused on databases and Postgres MCP when you require tools for databases.

More alternatives to Chart Canvas More alternatives to Postgres MCP Databases category hub