Sqlfmt MCP server
Deterministic SQL formatting across 19 dialects (postgres, mysql, snowflake, bigquery, etc.).
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If you have run it, two minutes of your experience saves the next person an afternoon.
Sqlfmt tools (2)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
format_sqlFormat a SQL string using a dialect-aware formatter. Supports 19 dialects (postgres, mysql, snowflake, bigquery, redshift, spark, etc.). Use when an LLM produces SQL inline and you want it normalized for review or for a downstream tool that expects a specific style.
list_dialectsReturn the list of SQL dialects supported by the formatter. Useful when an LLM needs to confirm dialect availability before formatting.
Public scan report
scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it
- Code scan3 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 29 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
How Sqlfmt compares
Against every graded Databases MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 92/100
- higher than 90% of 802 Databases servers
- Tools
- 2
- the typical Databases server has 8
- Tools that change things
- 0%
- typical: 10%. Fewer write tools means less an agent can break
What its tools let an agent do: 2 read
Install Sqlfmt in Claude Code, Cursor or VS Code
Runs npx -y @mukundakatta/sqlfmt-mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add sqlfmt-mcp -- npx -y @mukundakatta/sqlfmt-mcp
What the publisher says
From the Sqlfmt repository's README, as published. We do not edit it. Read it on GitHub
mcp-stack
Fourteen small MCP servers for everyday LLM / RAG / agent work. Each ships independently on npm, listed in the official MCP Registry, and is callable from Claude Desktop, Cursor, Cline, Windsurf, Zed, and any other MCP-compatible client.
RAG / agent helpers
Reliable transforms LLMs reach for tools instead of imagining
Sibling libraries
The first four wrap or re-implement logic from the user's Rust + Python work:
ragdrift-py (PyPI) — five-dimensional drift detection
- ragdrift (crates.io) /
stopstream, citecite, ragmetric — pure-Rust crates from the rust-llm-stack workspace
- embedrank, promptbudget,
The MCP servers are independent: they implement the logic they need in plain JavaScript so installing them doesn't pull a Rust toolchain.
Install (any of them)
Add to your MCP client config. Example for Claude Desktop:
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Sqlfmt: common questions
- Is Sqlfmt MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the Sqlfmt safety report
- How do I install Sqlfmt?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Sqlfmt need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Sqlfmt maintained?
- The last commit was 65 days ago (2026-08-29). The latest release is v0.1.0.
- What can I use instead of Sqlfmt?
- Servers from other publishers that do the same job: Faucet MCP server, DBHub MCP server and Appwrite MCP server.
- How does Sqlfmt compare with other Databases MCP servers?
- safety score 92/100 (higher than 90% of 802 Databases servers); tools 2 (the typical Databases server has 8); tools that change things 0% (typical: 10%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to Sqlfmt
Same job from other publishers: the closest match first, then the best rated.
- FaucetSQL database to MCP tools and REST API: PostgreSQL, MySQL, SQL Server, Oracle, SQLite, Snowflake.not reviewedEstablishedA
- DBHubToken-efficient database MCP server for PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, SQLitenot reviewedWidely usedA
- AppwriteBuild and deploy backends: auth, Postgres/MySQL/vector databases, storage, functions, hosting, CDNnot reviewedEstablishedA
- LINQ to DBInspect database schemas and execute SQL queries across multiple database providers with LINQ to DB.not reviewedEstablishedA
- GoSQLXSQL validation, formatting, parsing, metadata extraction, linting, and security analysis.not reviewedGrowingA