Waxseal MCP Server

Cryptographic identity for the open web and for AI agents. One Ed25519 keypair. One 64-character fingerprint. Permanent on-chain record. It runs locally over stdio via the published package.

People who work with blockchain, cryptographic identity and ed25519 and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-07 · ★ 2 · #189 OF 344 MAINTAINED FINANCE · VERIFIED 2026-09-30

MIT · TypeScript servers · how we verify → /methodology

01 · Install Waxseal

before you install - you'll need

Set WAXSEAL_PRIVATE_KEY_PEM before connecting.

Claude Code

claude mcp add degenlegion-com-waxseal-sdk -- npx -y @waxseal/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "degenlegion-com-waxseal-sdk": {
      "command": "npx",
      "args": [
        "-y",
        "@waxseal/mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @waxseal/mcp - the @waxseal scope differs from the repo owner (degenlegion-com); confirm it's the project's official package

registry namespace io.github.degenlegion-com is GitHub-verified and matches the repo owner

03 · What Waxseal can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.0.1 · 2026-07-05

WaxSeal MCP Server v1.0.1 · MCP server for WaxSeal cryptographic identity - verify fingerprints on Ethereum, Base, and BNB Chain; sign documents with Ed25519; and gate irreversible AI agent actions with human-signed…

04 · Who maintains Waxseal

waxseal is maintained by degenlegion-com. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/degenlegion-com/waxseal-sdk
category: finance - ranked #189 of 344 actively-maintained finance servers as of 2026-09-30.
release cadence: 1 release in the last 90 days (latest 2026-07-05)
registry: io.github.degenlegion-com/waxseal (active, first published 2026-06-28)
packages: npm:@waxseal/mcp

06 · Waxseal FAQ

What is Waxseal?

Cryptographic identity for the open web and for AI agents. One Ed25519 keypair. One 64-character fingerprint. Permanent on-chain record. It runs locally over stdio via the published package.

Is Waxseal still maintained?

Yes - as of 2026-09-30, its last commit was 2026-07-07 and it shipped 1 release in the last 90 days. We re-verify nightly.

How do I install Waxseal?

Run `npx -y @waxseal/mcp`. The README documents one environment variable (WAXSEAL_PRIVATE_KEY_PEM) to set first. Set WAXSEAL_PRIVATE_KEY_PEM before connecting. You can also paste the ready-made client config above.

Does Waxseal run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Waxseal

Alternatives to Waxseal

Maintained finance servers if Waxseal isn't the fit.

Pairs well with

Servers that cover what Waxseal doesn't - only shown when the pairing reason fits the companion.

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