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ncrypted MCP Server

by seidl-family Your server? Claim it
not responding

ncrypted is listed as active in the registry but did not answer our last check. 76 installs a week from npm. It exposes 4 tools. Last commit 27 Oct 2026.

One-time, end-to-end encrypted secrets for agents. 0.005 USDC per secret via x402.

Installs per day peak 913 · avg 40 · -24% w/w
a month agotoday
Uptime history 24 days of history · worst day 0%
24 days agonow
0.0%
Uptime 24h
0 of 91 checks
4
Tools
read from the server
80 ms
Response time
average over 24h
76
Installs / week
npm and PyPI

ncrypted does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add ncrypted --transport http https://ncrypted.ai/mcp
Settings → Connectors → Add custom connector, then paste this address
https://ncrypted.ai/mcp
~/.codex/config.toml
[mcp_servers.ncrypted]
url = "https://ncrypted.ai/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "ncrypted": {
      "url": "https://ncrypted.ai/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ncrypted": {
      "type": "http",
      "url": "https://ncrypted.ai/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

ncrypted
ncrypted_burn
Permanently destroy an unread secret you created, so its link stops working (e.g. it was sent to the wrong place or is no longer needed). Irreversible. Returns { burned: true } if it was destroyed, or { burned: false, status } if there was nothing left to destroy because it was already read, burned or expired; if it was already read, the recipient has the value, so rotate the credential. Only works for secrets you created (needs their receiptToken). Free.
ncrypted_create
Store a password, API key or sensitive note as a one-time link that self-destructs after a single read. The first 3 per day are free (TTL up to 24h); after that each costs 0.005 USDC, paid via x402 on Base (your MCP client must support x402). Share the link with a person or another agent; never echo the secret in chat. Returns { link, id, receiptToken, expiresAt }; keep id and receiptToken to check delivery (ncrypted_status) or revoke the link (ncrypted_burn). Hosted mode: this server encrypts the secret for you, so it sees the plaintext briefly over TLS (never stored or logged). For end-to-end, zero-knowledge encryption run the local MCP server `npx -y @seidl-family/ncrypted-mcp` instead.
ncrypted_read
Open an ncrypted link (https://.../s/{id}#{key}) and return the secret. This destroys it permanently. Free. Only use the value for the task at hand and do not repeat it in chat. To check whether someone opened a link you created, use ncrypted_status instead (it doesn't consume anything). Hosted mode: this server decrypts the secret for you, so it sees the plaintext briefly over TLS (never stored or logged). For end-to-end, zero-knowledge encryption run the local MCP server `npx -y @seidl-family/ncrypted-mcp` instead.
ncrypted_status
Check whether a secret you created has been opened yet, without consuming it. Returns { status, expiresAt, readAt? } where status is pending (not opened), read, burned or expired. Use it to confirm delivery, or before deciding to ncrypted_burn a link. Only works for secrets you created (needs their receiptToken); to open a link, use ncrypted_read. Free.

Endpoints

URLTransportStateLatencyChecked
https://ncrypted.ai/mcp streamable-http answering 80 ms 11 min ago

Alternatives to ncrypted

same job, measured the same way
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K
KeySlip
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keyward
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Local encrypted secret broker for AI agents: request keys by name, approve each use over MCP.

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FileSeal Secure Send
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Send a file to a person as a one-time, encrypted, auto-deleting download link.

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Toolcall
by toolcall

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

20 tools answering

ncrypted — questions

Answers built from our own checks of this server.

What can ncrypted do?
It exposes 4 tools, read directly from the server on our last check. Among them: ncrypted_burn, ncrypted_create, ncrypted_read, ncrypted_status. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is ncrypted working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 80 ms. The bar chart above shows every period we have measured.
The registry lists ncrypted as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect ncrypted?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does ncrypted need an API key?
No. ncrypted completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How many people use ncrypted?
The npm package @seidl-family/ncrypted-mcp was installed 76 times in the last week. Week over week that is -24%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is ncrypted open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at ncrypted.ai, which runs on its operator's own terms.