Midplane MCP Server

ai.midplane/midplane

Repository Registry

What is the Midplane MCP server?

Safe-by-default SQL guardrails for AI agents: AST-checked queries, per-table policy, audit log.

How to install Midplane

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

DATABASE_URL
required
secret
Postgres connection string the agent's queries run against. Give it a least-privilege role: Midplane constrains what SQL is allowed, it does not widen or narrow what the role itself can reach.
MIDPLANE_POLICY_FILE
Path to a policy YAML granting per-table read/read_write access, tenant scoping, and column masking. Omit for the safe default: reads allowed, writes and DDL denied. Generate one with `npx midplane init`.
DB_PATH
Where the local SQLite audit log is written. Defaults to ~/.midplane/audit.db; read it back with `midplane audit denies`.
MIDPLANE_TELEMETRY
Set to 0 to disable anonymous usage telemetry (DO_NOT_TRACK=1 also works). Never includes SQL, table or column names, or identifiers.
PORT
Port the Streamable HTTP transport binds. Must match the url above if changed.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "midplane": {
      "command": "npx",
      "args": [
        "-y",
        "midplane",
        "server",
        "--stdio"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "MIDPLANE_POLICY_FILE": "<YOUR_MIDPLANE_POLICY_FILE>",
        "DB_PATH": "<YOUR_DB_PATH>",
        "MIDPLANE_TELEMETRY": "<YOUR_MIDPLANE_TELEMETRY>",
        "PORT": "<YOUR_PORT>"
      }
    }
  }
}

Related MCP servers

ai.mindola/lens

Active

Create your digital twin: a public page that answers from your own material, with citations.

MIT

View repository →

TinyFish AI Web Agent

AI-powered web automation. Navigate websites using AI agents for one page or a thousand

MIRASTACK Redfish MCP Server

Active

Governed MCP server for DMTF Redfish BMCs. Read-only by default; writes are opt-in and dry-run.

Python

Apache-2.0

View repository →

ai.mitosislabs/mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

View repository →

ModelRunner

Maintained

Run 100+ AI models — image, video, audio, 3D — through one API with pay-per-use billing.

MIT

View repository →

Modulos Demo Booking

Book a Modulos demo. AI Governance Platform for EU AI Act, ISO 42001, NIST AI RMF.