qwen3_mcp: Instructions file for Claude Code

CLAUDE.md

qwen3_mcp CLAUDE.md is an instructions file for Claude Code from marduk191/qwen3_mcp. It costs 5,679 tokens per session, scanned A, original, MIT.

An MCP server that gives LM Studio's Qwen3 or another local language model coding-agent tools, including file work, commands, Git, web search, memory, planning, and skills.

In plain words
What is it for?
Use it to start browser chat on the local server or register the server with LM Studio for direct coding-agent tasks.
Why use it?
It lets a locally running model work with development tools through either a browser chat page or a direct LM Studio connection.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is marduk191/qwen3_mcp's own configuration. It tells Claude Code how to work on qwen3_mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything qwen3_mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to marduk191/qwen3_mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/marduk191/qwen3_mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/marduk191/qwen3_mcp

Made for: Claude Code.

Wrote this? Show the measurements

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Per session 5,679 This file is loaded in full into every session.
When invoked 5,679 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.05679 $0.05679
Opus 5 $0.02840 $0.02840
Sonnet 5 $0.01136 $0.01136
Haiku 4.5 $0.00568 $0.00568

Measured 10d ago against content hash 9dbfc6ac01e4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

qwen3_mcp CLAUDE.md scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

2. Verify server is running: `curl http://localhost:3847/skills`
CLAUDE.md · 640 lines

How it starts

The opening of the file, as written. The whole thing — 640 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Qwen3 MCP Server

A Model Context Protocol (MCP) server that gives LM Studio's Qwen3 (or any local LLM) full coding agent capabilities including 80+ tools for file operations, command execution, git, web search, memory, planning, and a full skills system.

Two Server Modes

HTTP Mode (Browser Chat)

start-chat.bat
# Open http://localhost:3847/chat.html

MCP Mode (LM Studio Direct)

Add to ~/.lmstudio/mcp-servers.json:

{
  "mcpServers": {
    "qwen3-mcp": {
      "command": "node",
      "args": ["<YOUR_PATH>/src/index.js"],
      "cwd": "<YOUR_PATH>"
    }
  }
}

Replace <YOUR_PATH> with the actual installation path.

Project Structure

qwen3-mcp/
├── src/
│   ├── index.js           # MCP server (stdio, uses @modelcontextprotocol/sdk)
│   └── tools/             # Tool implementations
│       ├── filesystem.js  # read_file, write_file, list_directory, etc.
│       ├── edit.js        # edit_file, insert_at_line, replace_lines
│       ├── bash.js        # execute_command, execute_background
│       ├── git.js         # git_status, git_commit, git_push, etc.
│       ├── search.js      # glob_search, grep_search, find_definition
│       ├── web.js         # web_search, web_image_search, web_fetch
│       ├── memory.js      # memory_store, memory_recall, scratchpad_*
│       ├── planning.js    # plan_create, plan_status, plan_step_complete
│       ├── tasks.js       # task_add, task_list, task_update
│       ├── thinking.js    # think, reason, evaluate_options
│       ├── context.js     # conversation_log, conversation_context
│       ├── interaction.js # ask_user, confirm, present_choices
│       ├── media.js       # read_image, read_pdf, take_screenshot
│       ├── notebook.js    # notebook_read, notebook_edit_cell
│       ├── comfyui.js     # 32 ComfyUI workflow tools
│       ├── github-blog.js # Jekyll blog tools
│       └── skills.js      # list_skills, load_skill, install_skill
├── frontend/
│   ├── server.js          # HTTP server (port 3847) with all tools
│   ├── chat.html          # Browser chat interface
│   └── index.html         # Image viewer interface
├── docs/                  # GitHub Pages static site (auto-generated)
│   ├── index.html         # Built from README.md by build-docs.cjs
│   ├── .nojekyll          # Tells GitHub Pages to serve as static HTML
│   └── assets/
│       ├── css/style.css  # Dark theme matching marduk191.github.io
│       ├── js/main.js     # Mobile menu toggle
│       └── images/banner.jpg  # Hero banner image
├── scripts/
│   └── build-docs.cjs     # Converts README.md → docs/index.html
├── .github/
│   └── workflows/
│       └── build-docs.yml # Auto-rebuilds docs on README.md changes
├── skills/                # Installed agent skills (16)
│   ├── chrome-extension/  # Chrome extension development (MV3)
│   ├── code-review/       # Code review methodology
│   ├── comfyui-nodes/     # ComfyUI custom node development (V1 + V3 API, v2.1.0)
│   ├── comfyui-workflow/  # ComfyUI workflow creation (SD1.5/SDXL/SD3.5/Flux)
│   ├── differential-review/ # Security-focused diff review
│   ├── docx/              # Word document creation (Anthropic)
│   ├── frontend-design/   # Frontend UI/UX
│   ├── github-blog/       # Jekyll blog for GitHub Pages
│   ├── mcp-builder/       # Build MCP servers
│   ├── modern-python/     # Python tooling (Trail of Bits)
│   ├── react-best-practices/ # React patterns (Vercel)
│   ├── shadcn-ui/         # Modern component library
│   ├── static-analysis/   # CodeQL, Semgrep, SARIF
│   ├── testing-handbook-skills/ # Fuzzers, sanitizers
│   ├── web-artifacts-builder/ # HTML/React prototypes
│   └── web-design-guidelines/ # UI/UX fundamentals
├── start-chat.bat         # Start HTTP server
├── stop-chat.bat          # Stop server
├── restart-chat.bat       # Restart server
└── install-skill.bat      # Install skills from GitHub

Read the full file on GitHub · 640 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 640 lines · 5,679 tokens per session scan A 9dbfc6ac01e4

Subscribe to this mod's changes

qwen3_mcp CLAUDE.md is an instructions file published in the GitHub repository marduk191/qwen3_mcp (13 stars, last pushed 7mo ago), licensed MIT. It adds 5,679 tokens to every session, about $0.0284 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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