What is Mssql-Mcp CLAUDE.md?

Project instructions for an MCP server that connects to Microsoft SQL Server databases. It describes database connections, table browsing, and read-only SQL queries, with safeguards against data-changing commands.

Use them when developing or using the server to connect to SQL Server, inspect databases and tables, review schemas, or run SELECT and WITH queries.

They give the coding assistant the project context and database rules needed to work safely with the repository.

How NakiriYuuzu/Mssql-Mcp configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to NakiriYuuzu/Mssql-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/NakiriYuuzu/Mssql-Mcp/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/NakiriYuuzu/Mssql-Mcp

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/nakiriyuuzu/mssql-mcp/claude-md/github.svg)](https://agentmods.dev/instructions/nakiriyuuzu/mssql-mcp/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/nakiriyuuzu/mssql-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/nakiriyuuzu/mssql-mcp/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/nakiriyuuzu/mssql-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/nakiriyuuzu/mssql-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,327 This file is loaded in full into every session.

When invoked 1,327 The same file — it is already loaded in full.

Security scan A 0 findings. 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.

Model	Per session	Once invoked
Fable 5.1	$0.01327	$0.01327
Opus 5	$0.00664	$0.00664
Sonnet 5	$0.00265	$0.00265
Haiku 4.5	$0.00133	$0.00133

Measured 10d ago against content hash 7f900c3b2087, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

Mssql-Mcp CLAUDE.md scanned grade A with 0 findings 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 124 lines

How it starts

The opening of the file, as written. The whole thing — 124 lines — stays where its author put it; the contents beside it link to each section on GitHub.

MSSQL MCP 伺服器 - Claude Code 專案記憶體

專案概述

這是一個使用 TypeScript + Bun 開發的 Model Context Protocol (MCP) 伺服器，專門用於與 Microsoft SQL Server 資料庫互動。提供安全的資料庫查詢、瀏覽和管理功能，並利用 Bunx 實現極速啟動（比 npx 快 100 倍）。

核心功能

🔌 連接管理

connect-database: 建立安全的 MSSQL 連接
disconnect: 優雅地關閉資料庫連接
connection-status: 檢查連接狀態和健康度

🗄️ 資料庫操作

list-databases: 列出所有可用的使用者資料庫
switch-database: 動態切換工作資料庫
list-tables: 瀏覽目前資料庫的資料表
describe-table: 詳細檢視資料表結構和欄位定義

📊 查詢功能

execute-query: 執行安全的 SELECT 查詢
自動限制查詢結果筆數
內建 SQL 注入防護機制

安全特性

查詢限制: 僅允許 SELECT 和 WITH 查詢，自動阻擋 DML/DDL 操作
輸入驗證: 對所有輸入進行清理和驗證
連接加密: 支援 SSL/TLS 加密連接
權限控制: 建議使用最小權限原則的資料庫帳號

專案結構

src/
├── index.ts          # MCP 伺服器主程式和工具定義
├── database.ts       # MSSQL 連接管理和操作類別
├── types.ts          # TypeScript 類型定義
└── utils.ts          # 工具函數和安全驗證

claude-commands/      # Claude Code 自訂指令
├── sql-connect.md    # 快速連接指令
├── sql-explore.md    # 資料庫探索指令
├── sql-analyze.md    # 資料表分析指令
└── sql-sample.md     # 樣本資料預覽指令

開發指令

🚀 使用 Bun (推薦 - 極速執行)

bun install          # 安裝依賴（比 npm 快 10 倍）
bun run dev          # 開發模式（直接執行 TypeScript）
bun start            # 啟動 MCP 伺服器
bun test             # 執行測試
bun run build        # 編譯為獨立執行檔
bun run clean        # 清理建置檔案

# 使用 Bunx 執行
bunx --bun mssql-mcp # 自動安裝並執行

傳統 npm 指令（備用）

npm install          # 安裝依賴
npm run dev          # 開發模式
npm start            # 啟動伺服器
npm test             # 測試

Claude Code 整合

MCP 設定

專案包含 .mcp.json 設定檔，Claude Code 會自動偵測並載入 MSSQL MCP 伺服器。

自訂指令

提供以下專案特定指令：

/project:sql-connect - 快速連接資料庫
/project:sql-explore - 探索資料庫結構
/project:sql-analyze - 分析資料表統計
/project:sql-sample - 預覽樣本資料

使用範例

# 連接到本地資料庫
connect-database server="localhost" user="sa" password="password" database="AdventureWorks"

# 探索資料庫結構
list-databases
switch-database database="Northwind"
list-tables

# 查詢資料
execute-query query="SELECT TOP 10 CustomerID, CompanyName FROM Customers"

# 使用自訂指令
/project:sql-explore Northwind
/project:sql-analyze Customers

Read the full file on GitHub · 124 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.

10d ago First seen · 124 lines · 1,327 tokens per session scan A 7f900c3b2087

Subscribe to this mod's changes

Mssql-Mcp CLAUDE.md is an instructions file published in the GitHub repository NakiriYuuzu/Mssql-Mcp (0 stars, last pushed 9mo ago), licensed MIT. It adds 1,327 tokens to every session, about $0.0066 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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