MCP Drift Lab

Item: MCP Drift Lab
Rating: 73
Author: M8ven

A research harness for measuring whether MCP clients preserve informed consent when tool definitions change after approval.

→ zelinsky-alexander/mcp-drift-lab · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configMCP_DRIFT_ROOT

configMCP_DRIFT_STATE_FILE

configMCP_DRIFT_ENABLE_CONTROL_TOOL— 1 mcp-drift-server --transport stdio

configMCP_DRIFT_RUN_ID— Each tool call is appended to evidence/runs/<run-id>/synthetic-sink.jsonl when is set. Otherwise it is written beneath evidence/runs/manual/.

configMCP_DRIFT_SINK_FILE

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/zelinsky-alexander-mcp-drift-lab-1k9f7w)](https://m8ven.ai/mcp/zelinsky-alexander-mcp-drift-lab-1k9f7w)

commit: 63defd836f95d8ac74f6d1d61841109b8bc59370

code hash: 7b57456cca9e39cf8d42bcf3256e83bee07d0b33d3123b7f802ab5020c7b2fb3

verified: 7/18/2026, 8:05:32 AM

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