Regex LE MCP Server

Regex-LE: Zero Hassle Regex Extraction & Validation Find, test, and validate the regex patterns in the current file. It runs locally over stdio via the published package.

People connecting developer tools tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-08-18 · ★ 2 · #74 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

MIT · Rust servers · how we verify → /methodology

01 · Install Regex LE

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add nolindnaidoo-regex-le -- npx -y regex-le-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "nolindnaidoo-regex-le": {
      "command": "npx",
      "args": [
        "-y",
        "regex-le-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package regex-le-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.nolindnaidoo is GitHub-verified and matches the repo owner

03 · What Regex LE can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v2.2.2 · 2026-08-05

Documentation and listing metadata - no behaviour change. · A section on calling the tool from an AI agent, with the JSON config and a one-line check · The privacy section now covers the MCP server, not just the…

v2.2.1 · 2026-08-05

Ships the extraction engine as an MCP server. · Bundled in the VSIX and registered with VS Code agent mode · On npm as regex-le-mcp · In the official MCP registry as io.github.nolindnaidoo/regex-le · A Zed extension…

v2.1.0 · 2026-08-05

Added · Runtime strings are localized, and this time they render. All 9 of them - · notifications, status bar, quick-picks and prompts - go through · vscode.l10n and ship as twelve translated bundles in l10n/. The v1.x…

04 · Who maintains Regex LE

Regex-LE is maintained by nolindnaidoo. We track 10 MCP servers from nolindnaidoo - 10 actively maintained, 12 combined GitHub stars, oldest repo from Aug 2025. Full record: all servers from nolindnaidoo.

Colors-LE Extract colors from stylesheets and code, with their notation and position. ★ 2

05 · Facts

repository: github.com/nolindnaidoo/regex-le
website: https://letools.dev/tools/regex-le
category: developer tools - ranked #74 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence: 3 releases in the last 90 days (latest 2026-08-05)
registry: io.github.nolindnaidoo/regex-le (active, first published 2026-08-05 · 4 versions)
packages: npm:regex-le-mcp

06 · Regex LE FAQ

What is Regex LE?

Regex-LE: Zero Hassle Regex Extraction & Validation Find, test, and validate the regex patterns in the current file. It runs locally over stdio via the published package.

Is Regex LE still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-18 and it shipped 3 releases in the last 90 days. We re-verify nightly.

How do I install Regex LE?

Run `npx -y regex-le-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Regex LE run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Regex LE

Alternatives to Regex LE

Maintained developer tools servers if Regex LE isn't the fit.

Pairs well with

Servers that cover what Regex LE doesn't - only shown when the pairing reason fits the companion.

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