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PopNx MCPMCP servers for people who use AI · explained in plain words

LexLint: a lint for the law that governs software

by lexlint.ioversion 1.0.4i★ –iRuns in the cloud
Registry nameio.lexlint/lexlint

How to install

What it does

Declare what your app does and where it operates; get cited, jurisdiction-specific findings.

  • Connects Runs in the cloud
  • Account or key Needs X-API-Key
  • Category Law & government data

Install

Pick the AI app you use, then copy the settings.

Passed 2/3 checks · What you ask goes through the maker’s server (mcp.lexlint.io)

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude · about 5 min

You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money) · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1

  1. Sign up and create a LexLint: a lint for the law that governs software key

    Open the maker’s site, sign up and create an API key for the next step. It may cost money.

    Open the LexLint: a lint for the law that governs software site ↗

  2. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1+ Add2https://…3Add4
  3. Click “+ Add” → “Add custom connector” and fill in these 2 fields

    Copy each value into the field with the same name in Claude, then click Continue

    Name · NameLexLint: a lint for the law that governs software
    Remote MCP server URL · Addresshttps://mcp.lexlint.io/mcp

    Under Request headers, add this name and value

    Header nameX-API-Key
    Value<paste your key here>

    Paste the key only into the app’s field, never into a chat or to anyone

    Leave Authentication as Claude detected it, then click Add

  4. Turn it on in a chat

    +ConnectorsLexLint: a lint for the law that governs software

  5. Try it

    Use LexLint: a lint for the law that governs software and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using LexLint: a lint for the law that governs software or shows a LexLint: a lint for the law that governs software tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

ChatGPT cannot connect LexLint: a lint for the law that governs software yet

LexLint: a lint for the law that governs software needs your own key to connect, but OpenAI’s help page only describes OAuth sign-in; there is no key option we could verify

What you can do instead

A · Use an app that can connect LexLint: a lint for the law that governs software

  • You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money) · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1
  • You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)
  • You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)
  • You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)

B · Others in Law & government data that work with ChatGPT

Picked from the most used in the same category, only ones that connect by address with no key

Works with Claude Code · about 5 min

You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)

  1. Sign up and create a LexLint: a lint for the law that governs software key

    Open the maker’s site, sign up and create an API key for the next step. It may cost money.

    Open the LexLint: a lint for the law that governs software site ↗

  2. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  3. Paste this command and press Enter

    claude mcp add --transport http lexlint https://mcp.lexlint.io/mcp --header 'X-API-Key: your-value'

    Replace “your-value” with your key before pressing Enter

    Paste the key only into the app’s field, never into a chat or to anyone

  4. Type /mcp in Claude Code

    You should see LexLint: a lint for the law that governs software listed as connected

  5. Try it

    Use LexLint: a lint for the law that governs software and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using LexLint: a lint for the law that governs software or shows a LexLint: a lint for the law that governs software tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor · about 5 min

You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)

  1. Sign up and create a LexLint: a lint for the law that governs software key

    Open the maker’s site, sign up and create an API key for the next step. It may cost money.

    Open the LexLint: a lint for the law that governs software site ↗

  2. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  3. Fill in your key

    In the LexLint: a lint for the law that governs software settings, X-API-Key is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  4. Open the AI chat in Cursor in Agent mode

  5. Try it

    Use LexLint: a lint for the law that governs software and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using LexLint: a lint for the law that governs software or shows a LexLint: a lint for the law that governs software tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code · about 5 min

You need a LexLint: a lint for the law that governs software key (sign up on the maker’s site, may cost money)

  1. Sign up and create a LexLint: a lint for the law that governs software key

    Open the maker’s site, sign up and create an API key for the next step. It may cost money.

    Open the LexLint: a lint for the law that governs software site ↗

  2. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  3. Fill in your key

    In the LexLint: a lint for the law that governs software settings, X-API-Key is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  4. Open the AI chat in VS Code in Agent mode

  5. Try it

    Use LexLint: a lint for the law that governs software and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using LexLint: a lint for the law that governs software or shows a LexLint: a lint for the law that governs software tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

Address for apps that connect over the web

Addresshttps://mcp.lexlint.io/mcp

JSON settings are under “For developers” below

Stuck? Ask people who use LexLint: a lint for the law that governs software💬 Discussion →
For developers: Terminal commands and JSON settings

Over the web

Claude Code

claude mcp add --transport http lexlint https://mcp.lexlint.io/mcp --header 'X-API-Key: your-value'

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "lexlint": {
      "url": "https://mcp.lexlint.io/mcp",
      "headers": {
        "X-API-Key": "your-value"
      }
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "lexlint": {
      "type": "http",
      "url": "https://mcp.lexlint.io/mcp",
      "headers": {
        "X-API-Key": "your-value"
      }
    }
  }
}

Values you fill in

  • X-API-Key secret HTTP header
    Optional. A client that signs in with OAuth sends no key. A client that cannot sign in sends your own UnGovr Open Data key here, which LexLint checks against UnGovr's key store and meters per request…

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

Downloads per weeki
Not on npm/PyPI
Verified domain
✓ lexlint.io
Licencei
No licence stated
Connection
Runs in the cloud
Transport
streamable-http
Latest versioni
1.0.4
Published to registryi
Oct 31, 2026
Code last changedi
–
Maker
lexlint.io
Repo
–
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

All apps, with pros and cons →

Related guides

What it can do

Tool names and descriptions exactly as the server reported them on Nov 12, 2026. The maker wrote them, not us; we show them as plain text.

  • set_profile

    Step 1 of the lint. Declare what the app does (activities) and where it will operate (jurisdiction slugs), from the app's own code: ask the user which app if they have not said, and lint only one whose code you can open (the open folder, a public repository, one the user connecte

  • run_lint

    Step 2 of the lint, and the one that returns findings. Pass the activities and jurisdictions set_profile validated, and get lint-style findings: which obligations apply, with severity (warn/info), citation, as_of_date, staleness, and confidence. warn: a live obligation binds the

  • get_law

    One jurisdiction's law from the LexLint law library, across all thirteen topics LexLint covers: AI law, scraping/crawling and access legality, personal-data and biometric privacy, product-security and cyber-resilience law, communications law (marketing messages, calls and texts,

  • resolve_domain_jurisdiction

    Best-effort mapping from a domain to the jurisdiction whose law governs its OPERATOR, for feeding into the other tools. Never uses server or edge-node location; IP addresses are refused. Costs one to four upstream requests, varying with how many domain-label candidates it tries b

  • check_access

    Preflight. Reports whether an UnGovr Open Data key reached LexLint, whether it is valid, how much of today's free allowance is left and when it resets, how current the law library is, and whether the LexLint plugin you are running is the latest published one. Call this first: a m

  • submit_feedback

    Send the developer's feedback on LexLint to the people who build it, recorded against their UnGovr account so we can write back. Run this ONLY on the developer's explicit yes. It may be raised unprompted in exactly one place, the close of a lint run whose upload approval was decl

  • upload_lint_run

    Store one lint run on the LexLint portal, against the UnGovr account that signed in or owns the key, and return the portal URL and, for a trial key, a share URL that opens the run with no sign-in for 30 days. This is the closing step of every run that produced findings, raised un

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 12, 2026

  • ! Caution

    Maker matches the repo

    The registry lists no source repo, so we cannot match the publisher (lexlint.io) to the code

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 437 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 7 tool descriptions and found no hidden instructions to the AI

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

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Posts here are written by users, not the PopNx team.

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User reviews

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Compared with others in Law & government datai

  • More stars than 0% of the other 1811 servers in this category
  • Published to the registry more recently than 70% of the other 1811 servers in this category
  • Basic checks equal to or better than 45% of the other 1811 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is LexLint: a lint for the law that governs software safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: X-API-Key

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.4) reached the registry 12 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT Business and above.

What can I use instead?

In the same category: Korean Law MCP, Global law, Tw Legal Rag

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Korean Law MCP

Korean law: statutes, precedents, ordinances, treaties and citation verification (법제처 API).

by chrisryugjWidely used★ 2.9KUpdated 8 days ago

Runs in the cloud

Global law

The law of nearly every country on earth, any date: read it, see what changed it, check citations.

by lexifinaGrowing★ 1.9KUpdated yesterday

Runs in the cloud✓ lexifina.com

Tw Legal Rag

Taiwan law MCP server: 22M court judgments, statutes, agency rulings, with citation checks

by aa0101181514Growing★ 346Updated yesterday

Runs in the cloud

README from the maker

No README found in the repo