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 who work with bug analysis, context engineering and developer tools and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2025-12-27 · ★ 4 · #78 OF 106 MAINTAINED AI & ML · VERIFIED 2026-09-18

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 #78 of 106 actively-maintained AI & ML servers as of 2026-09-18.
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 2026-09-18, 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.

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