A connection to Microsoft SQL Server, a database system used to store and query application data.

It helps inspect database contents and run SQL Server-related data operations, subject to the configured connection, permissions, and environment settings.

It lets an agent work with a configured SQL Server database without manually switching to a separate database tool. It can be configured as read-only or with administrative tools disabled.

mssql — MCP server by deepesh112

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add mcp/deepesh112/mcp_tool_sql/mssql

Clone the repo

git clone --depth 1 https://github.com/deepesh112/mcp_tool_sql

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

mssql 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 yesterday.

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.

.mcp.json · 22 lines

What it actually says

{
  "mssql": {
    "command": "uvx",
    "args": [
      "--from",
      "mssql-mcp-server[dataio] @ git+https://github.com/deepesh112/mcp_tool_sql.git",
      "mssql-mcp"
    ],
    "env": {
      "MSSQL_SERVER": "${MSSQL_SERVER}",
      "MSSQL_PORT": "${MSSQL_PORT:-1433}",
      "MSSQL_DATABASE": "${MSSQL_DATABASE:-master}",
      "MSSQL_AUTH": "${MSSQL_AUTH:-sql}",
      "MSSQL_USERNAME": "${MSSQL_USERNAME:-}",
      "MSSQL_PASSWORD": "${MSSQL_PASSWORD:-}",
      "MSSQL_ENCRYPT": "${MSSQL_ENCRYPT:-true}",
      "MSSQL_TRUST_CERTIFICATE": "${MSSQL_TRUST_CERTIFICATE:-false}",
      "READ_ONLY": "${READ_ONLY:-true}",
      "ENABLE_ADMIN_TOOLS": "${ENABLE_ADMIN_TOOLS:-false}"
    }
  }
}

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.

yesterday First seen · 22 lines scan A 257e7bea8f64

Subscribe to this mod's changes

mssql is an MCP server published in the GitHub repository deepesh112/mcp_tool_sql (0 stars, last pushed 1mo ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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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