MCP server

Omniseal

io.github.PureCipher/omniseal

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Conceal, retrieve, verify, and remove hidden files with PureCipher Omniseal.

Source

At a glance

Type

MCP server

Publisher

purecipher.com (verified by the MCP Registry)

Status

Working at last check

Tools

4

Token cost

About 1,398 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http omniseal https://api.purecipher.com/mcp?platform=claude

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.omniseal]
url = "https://api.purecipher.com/mcp?platform=claude"

Gemini CLI

{"mcpServers":{"omniseal":{"httpUrl":"https://api.purecipher.com/mcp?platform=claude"}}}

Cursor

{"mcpServers":{"omniseal":{"url":"https://api.purecipher.com/mcp?platform=claude"}}}

VS Code

{"servers":{"omniseal":{"type":"http","url":"https://api.purecipher.com/mcp?platform=claude"}}}

Antigravity

agy mcp add omniseal https://api.purecipher.com/mcp?platform=claude

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"omniseal","server_url":"https://api.purecipher.com/mcp?platform=claude","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"omniseal","server_url":"https://api.purecipher.com/mcp?platform=claude"}

Tools

• remove_hidden_file ~325 tokens
  Return a new clean cover with the hidden payload removed; preserve the original sealed file. File results are binary MCP resources; this connector rejects results exceeding its 140,000-character limit. Inputs require actual file bytes or reachable URLs.
• retrieve_secret_file ~322 tokens
  Recover the exact hidden file from an Omniseal sealed file using its private seed. File results are binary MCP resources; this connector rejects results exceeding its 140,000-character limit. Inputs require actual file bytes or reachable URLs.
• seal_files ~486 tokens
  Conceal a secret file inside a cover file, returning a new sealed file without overwriting originals. File results are binary MCP resources; this connector rejects results exceeding its 140,000-character limit. Inputs require actual file bytes or reachable URLs.
• verify_sealed_file ~265 tokens
  Check whether an Omniseal sealed file shows signs of tampering. File results are binary MCP resources; this connector rejects results exceeding its 140,000-character limit. Inputs require actual file bytes or reachable URLs.

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