Influxdb3 MCP Server vs PostgreSQL (hardened, read Only)

In-depth architectural comparison of the Influxdb3 MCP Server and PostgreSQL (hardened, read Only) 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.

Which MCP Server Should You Choose?

Choose Influxdb3 MCP Server when:

• You need dedicated capabilities in the Databases domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: INFLUX_MCP_TOOL_PROFILE.
• Primary tools included: load_database_context, get_help, write_line_protocol.

Explore Influxdb3 MCP Server Details

Choose PostgreSQL (hardened, read Only) 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: explain_query, analyze, database_health.

Feature & Specification Comparison

Specification	Influxdb3 MCP Server InfluxData VerifiedDatabases	PostgreSQL (hardened, read Only) Databases
Summary	Official MCP server for InfluxDB 3 Core/Enterprise/Cloud Dedicated	Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
Category & Scope

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "influxdata-influxdb3-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "usage"
      ],
      "env": {
        "INFLUX_MCP_TOOL_PROFILE": "YOUR_INFLUX_MCP_TOOL_PROFILE_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "postgresql-hardened-read-only": {
      "command": "npx",
      "args": [
        "-y",
        "postgres-mcp-hardened"
      ]
    }
  }
}

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