What is the key difference between Datacharter and Gateway?

Datacharter belongs to the Databases category with local stdio execution, while Gateway belongs to the Databases category with cloud HTTP/SSE execution.

How do I install Datacharter or Gateway 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 Datacharter and Gateway free or paid?

Datacharter operates under a Free / Open Source model (No auth required). Gateway operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Datacharter lists 6 tools with 1 views and 12 GitHub stars. Gateway lists 6 tools with 3 views and 548 GitHub stars.

Can I use both Datacharter and Gateway 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

Datacharter vs Gateway

In-depth architectural comparison of the Datacharter and Gateway 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

Datacharter

Databases · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Gateway

Databases · Remote HTTP/SSE

Quality: 51/100 (Good) | Auth: API Key required

Verdict Summary: Choose Datacharter if you need specialized Databases tools running via a local process. Choose Gateway if your workspace requires Databases integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Datacharter 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).
You have access to required keys: DATA_CHARTER_CONFIG, DATA_CHARTER_LOG_LEVEL.
Primary tools included: Federated querying across files and databases locally, Read-only query engine with no write or filesystem side effects, Automatic PII detection and default agent access denial.

Explore Datacharter Details

Choose Gateway when:

You need dedicated capabilities in the Databases domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
Primary tools included: Automatic API generation from schema and sampled data, MCP and MCP SSE endpoints, REST and OpenAPI 3.1 output.

Feature & Specification Comparison

Specification	Datacharter datacharter Databases	Gateway centralmind Databases
Summary	Local, contract-governed federation across files and databases (Postgres, Snowflake, BigQuery, DuckDB, Excel, and more) with read-only guards, PII masking, and per-column agent access.	MCP and MCP SSE Server that automatically generate API based on database schema and data. Supports PostgreSQL, Clickhouse, MySQL, Snowflake, BigQuery, Supabase
Category & Scope	Databases

Tools & Capabilities Breakdown

Datacharter Tools (6)

Federated querying across files and databases locally

Read-only query engine with no write or filesystem side effects

Automatic PII detection and default agent access denial

Per-source, per-table, and per-column access controls for AI agents

Tamper-evident audit logging of agent queries and access

Policy enforcement for aggregation, group sizes, and data masking

Gateway Tools (6)

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).

Datacharter Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "datacharter-datacharter": {
      "command": "uvx",
      "args": [
        "datacharter"
      ],
      "env": {
        "DATA_CHARTER_CONFIG": "YOUR_DATA_CHARTER_CONFIG_HERE",
        "DATA_CHARTER_LOG_LEVEL": "YOUR_DATA_CHARTER_LOG_LEVEL_HERE"
      }
    }
  }
}

Gateway Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "centralmind-gateway": {
      "url": "http://localhost:9090/sse"
    }
  }
}

Frequently Asked Questions

Datacharter is categorized under Databases and uses a local stdio subprocess. In contrast, Gateway belongs to Databases using remote streaming HTTP/SSE transport. Select Datacharter when you need capabilities focused on databases and Gateway when you require tools for databases.

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