Logic Server MCP Server - install, status & alternatives [2026]

01 · Install Logic Server

before you install - you'll need

Set LLM_PROVIDER, LLM_MODEL, LLM_BASE_URL, EXTRACTION_ENABLED before connecting.

Claude Code

claude mcp add auctalis-nocturnusai -- npx -y nocturnusai-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "auctalis-nocturnusai": {
      "command": "npx",
      "args": [
        "-y",
        "nocturnusai-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 no standard license detected - usage rights unclear; check the repo before commercial use

npm package nocturnusai-mcp - unscoped; check the name against the project README before installing

registry vendor namespace ai.nocturnus - domain-verified with the official MCP registry

03 · What Logic Server can do

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

Latest releases

v0.3.13 · 2026-04-17

Install · One-line install (server + CLI) · bash · curl -fsSL | bash · Docker (server only - connects to host Ollama by default) · bash · docker run -p 9300:9300 ghcr.io/auctalis/nocturnusai:v0.3.13 · CLI only · bash…

v0.3.12 · 2026-04-16

Install · One-line install (server + CLI) · bash · curl -fsSL | bash · Docker (server only - connects to host Ollama by default) · bash · docker run -p 9300:9300 ghcr.io/auctalis/nocturnusai:v0.3.12 · CLI only · bash…

v0.3.11 · 2026-04-16

Adds the standalone MCP stdio server package (nocturnusai-mcp on npm) and the live benchmark suite. · New · nocturnusai-mcp npm package - MCP stdio shim that bridges any MCP-compatible client (Claude Desktop, Cursor…

04 · Who maintains Logic Server

logic-server is maintained by auctalis. It's the only MCP server we track from this author; the repo dates to Feb 2026.

05 · Facts

repository: github.com/auctalis/nocturnusai
category: memory - ranked #138 of 259 actively-maintained memory servers as of 2026-08-25.
registry: ai.nocturnus/logic-server (active, first published 2026-04-16)
packages: npm:nocturnusai-mcp

06 · Logic Server FAQ

What is Logic Server?

Measured on live APIs. 15-turn product support conversation. Real usage.input_tokens counts. Run it yourself. It runs locally over stdio via the published package.

Is Logic Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-14. We re-verify nightly.

How do I install Logic Server?

Run `npx -y nocturnusai-mcp`. The README documents 4 environment variables (LLM_PROVIDER, LLM_MODEL, LLM_BASE_URL…) to set first. Set LLM_PROVIDER, LLM_MODEL, LLM_BASE_URL, EXTRACTION_ENABLED before connecting. You can also paste the ready-made client config above.

Does Logic Server 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 Logic Server

Alternatives to Logic Server

Maintained memory servers if Logic Server isn't the fit.

Pairs well with

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

More memory MCP servers · Memorix · Memocall · Omni Seek · Veritasgraph · Memory Arbiter MCP