Mercury Spec Ops MCP Server

The first MCP server to expose dynamic, AI-invocable tools for prompt generation and template assembly. It runs locally over stdio via the published package.

People connecting AI & ML tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2025-12-27 · ★ 4 · #76 OF 95 MAINTAINED AI & ML · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Mercury Spec Ops

Claude Code

claude mcp add n0zer0d4y-mercury-spec-ops -- npx -y @n0zer0d4y/mercury-spec-ops

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "n0zer0d4y-mercury-spec-ops": {
      "command": "npx",
      "args": [
        "-y",
        "@n0zer0d4y/mercury-spec-ops"
      ]
    }
  }
}

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 @n0zer0d4y/mercury-spec-ops - published under the repo owner's npm scope (@n0zer0d4y)

registry namespace io.github.n0zer0d4y is GitHub-verified and matches the repo owner

03 · What Mercury Spec Ops can do

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

Latest releases

v0.1.2 · 2025-11-14

v0.1.2 - MCP Registry Publication · What's New · MCP Registry Publication: Mercury Spec Ops is now published to the official MCP Registry and discoverable by all MCP clients worldwide · Registry Badge: Added MCP…

v0.1.1 · 2025-11-13

Fixed · Added shebang line to server.ts for proper bin execution on Windows and Unix systems · - Fixes "JavaScript compilation error" when running via npx · - Resolves MCP client integration issues with Claude Desktop…

v0.1.0 · 2025-11-13

First Release: Prompts and Resources as Tools · The first MCP server to expose dynamic, AI-invocable tools for prompt generation and template assembly. · Mercury Spec Ops transforms how AI assistants interact with…

04 · Who maintains Mercury Spec Ops

mercury-spec-ops is maintained by n0zer0d4y. We track 2 MCP servers from n0zer0d4y - 2 actively maintained, 11 combined GitHub stars, oldest repo from Sep 2025. Full record: all servers from n0zer0d4y.

athena-protocol AI tech lead for coding agents with validation and impact analysis ★ 7

05 · Facts

repository: github.com/n0zer0d4y/mercury-spec-ops
category: AI & ML - ranked #76 of 95 actively-maintained AI & ML servers as of 2026-08-25.
registry: io.github.n0zer0d4y/mercury-spec-ops (active, first published 2025-11-14)
packages: npm:@n0zer0d4y/mercury-spec-ops

06 · Mercury Spec Ops FAQ

What is Mercury Spec Ops?

The first MCP server to expose dynamic, AI-invocable tools for prompt generation and template assembly. It runs locally over stdio via the published package.

Is Mercury Spec Ops still maintained?

Yes - as of 2026-08-25, its last commit was 2025-12-27. We re-verify nightly.

How do I install Mercury Spec Ops?

Run `npx -y @n0zer0d4y/mercury-spec-ops`. You can also paste the ready-made client config above.

Does Mercury Spec Ops 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 Mercury Spec Ops

Alternatives to Mercury Spec Ops

Maintained AI & ML servers if Mercury Spec Ops isn't the fit.

Pairs well with

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

More AI & ML MCP servers · Diffctx · x402 Universal Payer · three.ws 3D Agent Tools · three.ws Activity · three.ws AgenC

More TypeScript MCP servers · Better Email MCP · Better Godot MCP · Better Notion MCP · Toolradar · Petsonality · see all