OpenTimeStamps MCP Server

A Model Context Protocol (MCP) server that enables AI models to timestamp files and verify proofs on the Bitcoin blockchain using OpenTimeStamps.

→ getAlby/opentimestamps-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

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.

🔐

You'll be asked for 1 credential: BITCOIN_RPC_PASSWORD

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

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

🔐 secretBITCOIN_RPC_PASSWORD

configBITCOIN_RPC_URL

configBITCOIN_RPC_USER

configLOG_LEVEL— "": "info"

configOTS_CALENDAR_SERVERS— Custom calendar servers (defaults to standard OTS servers)

configPORT— HTTP port for SSE mode (default: 3000)

configSERVER_MODE— Choose between stdio (default) or sse transport

// 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 5 concrete improvements 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/getalby-opentimestamps-mcp-1vtfz0)](https://m8ven.ai/mcp/getalby-opentimestamps-mcp-1vtfz0)

commit: 625d50ef9427dfe702c54ab93ec156c3605419f7

code hash: 9a5f571abd33eef17a5c86992e58a22558d8b11690216c09f50398849d3c7ef5

verified: 6/22/2026, 12:46:41 PM

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