ncmcp

Item: ncmcp
Rating: 69
Author: M8ven

A self-hosted MCP server that exposes Nextcloud files, calendar, notes, and search as tools for Claude.ai, authenticating via Nextcloud OAuth.

→ janLo/nextcloud-simple-mcp · 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.

🔐

You'll be asked for 2 credentials: NCMCP_ENCRYPTION_KEY, NEXTCLOUD_OAUTH_CLIENT_SECRET

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.

configNCMCP_DEV_REDIRECT_URIS— no Extra redirect URIs DCR may register, comma-separated — only for local test scripts, leave empty in production

🔐 secretNCMCP_ENCRYPTION_KEY— NEXTCLOUD_OAUTH_CLIENT_ID/_SECRET from step 1, and a generated :

configNCMCP_HOST— / NCMCP_PORT no Bind address inside the container; defaults 0.0.0.0:8000, matches the Compose port mapping

configNCMCP_PORT— NCMCP_HOST / no Bind address inside the container; defaults 0.0.0.0:8000, matches the Compose port mapping

configNCMCP_LOG_LEVEL— no info by default

configNCMCP_PUBLIC_BASE_URL— Redirection URI: <>/nextcloud/callback — exactly this, no

configNEXTCLOUD_BASE_URL— the important ones. At minimum you need ,

configNEXTCLOUD_OAUTH_CLIENT_ID— /_SECRET from step 1, and a generated NCMCP_ENCRYPTION_KEY:

🔐 secretNEXTCLOUD_OAUTH_CLIENT_SECRET

configNCMCP_REFRESH_TOKEN_TTL_DAYS— no How long our issued refresh tokens live before Claude must re-login; default 90

configNCMCP_DATA_DIR— no Where the SQLite token store lives; Compose sets /data (the named volume)

// 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/janlo-nextcloud-simple-mcp-1l4its)](https://m8ven.ai/mcp/janlo-nextcloud-simple-mcp-1l4its)

commit: fb07a42c9aecfe6219589ee315bbba140289d55a

code hash: 9f5b8a3ab6b73b473a2eef9b0b8a302882fab111ecdadf15ef0eb6592efdd448

verified: 7/21/2026, 8:54:52 AM

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