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Best MCP servers for linting and formatting

We found 221 MCP servers for linting and formatting in the catalog; these are the 15 that rank highest. The order comes from our rank, which weighs adoption, freshness, documentation and publisher identity. Nobody can pay for a place on this list. Skillmd, flowR and GoSQLX lead it. Skillmd is published by the company that makes it. kordoc has the most GitHub stars here (2,726). 15 of the 15 had activity in the last 30 days. Remote servers need no local install; local ones run on your machine and can reach local files. Each entry lists why it made the list and links to its install page.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

Top 15 of 221

  1. 1
    Skillmd

    skillmd.comOfficial

    Search, fetch, lint, and install Agent Skills (SKILL.md) from the SkillMD registry.

    • Published by the vendor
    • Runs locally or as a remote server
    • Active in the last 30 days

    ★ 190Last active Oct 9, 2026Local (stdio), Remote (HTTP)Claude Code, VS Code, Codex, Cursor +2

  2. 2
    flowR

    flowr-analysis

    Static dataflow analysis, program slicing, linting, and dependency extraction for R code.

    • Active in the last 30 days
    • Open source (GPL-3.0)

    ★ 105↓ 331/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  3. 3
    GoSQLX

    ajitpratap0

    SQL validation, formatting, parsing, metadata extraction, linting, and security analysis.

    • Remote server, no local install
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 120Last active Oct 22, 2026Remote (HTTP)Claude Code, VS Code, Cursor, Windsurf

  4. 4
    PartCAD

    partcad

    Inspect, render, test and export the parts and assemblies of PartCAD hardware packages

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 509↓ 497/wkLast active Oct 24, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  5. 5
    Pare Lint

    Dave-London

    Pare Lint ג€” Structured linting and formatting (ESLint, Prettier, Biome, Oxlint) as typed JSON.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 139↓ 72/wkLast active Oct 19, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  6. 6
    Pare Python

    Dave-London

    Pare Python ג€” Structured Python tool output (ruff, mypy, pip, uv, black, pytest) as typed JSON.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 139↓ 53/wkLast active Oct 19, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  7. 7
    kordoc

    chrisryugj

    Parse Korean documents (HWP, HWPX, PDF, XLSX, DOCX, PPTX) to Markdown; fill forms, diff, render.

    • Most GitHub stars here (2,726)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 2.7KLast active Oct 26, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  8. 8
    Silica

    simaanc

    RTL and FPGA tools: lint, simulate, formal, synthesize, place and route, program a board.

    • Active in the last 30 days
    • Open source (AGPL-3.0)

    ★ 12↓ 536/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  9. 9
    ctxlint

    YawLabs

    Lint AI agent context files (CLAUDE.md, AGENTS.md, etc.) against your actual codebase

    • Active in the last 30 days
    • Open source (MIT)

    ★ 11Last active Oct 9, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  10. 10
    odoo-lint

    bosd

    Lint and fix Odoo addons: pylint-odoo and OCA checks, translation files and upgrades.

    • Most weekly downloads here (1.1K)
    • Active in the last 30 days
    • Open source (MIT)

    ↓ 1.1K/wkLast active Oct 24, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  11. 11
    Hated WoW MCP

    RdyGaming

    MCP server for WoW addons: Lua API, Blizzard UI source, CVars, art lookup, linting, scaffolding.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 15Last active Oct 19, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  12. 12
    AI Context Kit

    ofershap

    Lint, measure, and sync AI context files across Cursor, Claude Code, Copilot.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 8Last active Oct 21, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  13. 13
    N8n MCP

    ratamaha-git

    MCP server for n8n: generate, lint, explain failed executions, drive live n8n via REST.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 15↓ 65/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  14. 14
    gha-doctor

    linnea-bakshi

    Diagnose GitHub Actions CI: lint, flaky tests, wasted minutes, health score.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 3Last active Oct 21, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

  15. 15
    isitdone

    raimondasl

    Make a coding agent prove it: run the repo's real tests, typecheck and lint before it says done.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 1↓ 118/wkLast active Oct 20, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2

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