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Lint MCP server

by Dave-London·io.github.Dave-London/lint·v0.8.0·138 stars
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Structured linting output (ESLint, format-check) as typed JSON diagnostics.

A92/100grade A
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Safety scan
A92/100

full report

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138 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

Lint tools (7, 4 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • biome-checkwrite action

    Runs Biome check (lint + format) and returns structured diagnostics (file, line, rule, severity, message). Use instead of running `biome check` in the terminal.

  • biome-format

    Formats files with Biome (format --write) and returns a structured list of changed files. Use instead of running `biome format --write` in the terminal.

  • format-check

    Checks if files are formatted and returns a structured list of files needing formatting. Use instead of running `prettier --check` in the terminal.

  • lintwrite action

    Runs ESLint and returns structured diagnostics (file, line, rule, severity, message). Use instead of running `eslint` in the terminal.

  • oxlintwrite action

    Runs Oxlint and returns structured diagnostics (file, line, rule, severity, message). Use instead of running `oxlint` in the terminal.

  • prettier-format

    Formats files with Prettier (--write) and returns a structured list of changed files. Use instead of running `prettier --write` in the terminal.

  • stylelintwrite action

    Runs Stylelint and returns structured diagnostics (file, line, rule, severity, message). Use instead of running `stylelint` in the terminal.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan27 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 6 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Lint in Claude Code, Cursor or VS Code

Runs npx -y @paretools/lint on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add lint -- npx -y @paretools/lint
Add to Cursor

What the publisher says

From the Lint repository's README, as published. We do not edit it. Read it on GitHub

  Pare

Reliable, structured CLI output for AI agents — no more parsing fragile terminal text.

Pare provides MCP servers that wrap common developer tools (git, npm, docker, test runners, etc.) and return clean, schema-validated JSON instead of raw terminal text. Agents get typed data they can act on directly, without brittle string parsing.

The Problem

Parsing CLI output is fragile. Raw terminal text includes ANSI escape codes, decorative headers, progress bars, locale-specific formatting, and platform differences that break agent workflows in subtle ways. An agent that works fine with git status on macOS may fail on Windows because the output format changed. A test runner's summary line might shift between versions, silently breaking a regex.

Pare eliminates this entire class of errors by returning schema-validated JSON with consistent field names, regardless of platform, tool version, or locale. As a bonus, structured output is significantly smaller — agents use fewer tokens per tool call:

Token estimates use ~4 chars/token. The biggest savings appear on verbose commands (builds, installs, tests). For simpler tools like eslint or tsc, the main advantage is reliable structured data — agents can use typed JSON directly rather than parsing strings.

How It Works

Each Pare tool returns two outputs:

  • content — human-readable text, for MCP clients that display it
  • structuredContent — typed, schema-validated JSON, ready for agents to process

This uses MCP's structuredContent and outputSchema features to provide type-safe, validated data that agents can rely on without custom parsing.

Example: git status

Raw git output (~118 tokens):

On branch main
Your branch is ahead of 'origin/main' by 2 commits.
  (use "git push" to publish your local commits)

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Lint: common questions

Is Lint MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Lint safety report
How do I install Lint?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Lint need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Lint maintained?
The last commit was 21 days ago (2026-09-22). The latest release is v0.8.0.

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