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Regex-LE

Extract regular expressions from code, each with a ReDoS safety verdict.

Connector by nolindnaidoo · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 2
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/nolindnaidoo-regex-le

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Extract regular expressions from code, each with a ReDoS safety verdict.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
2 read · 0 write · 0 deleteRead-only
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 2

Read from the source code; the running server may list different tools.

Read 2 · Look things up without changing anything.

  • extract_patterns
  • regex_le_lint

Network hosts it talks to 6

  • biomejs.dev · found in code
  • github.com · found in code
  • letools.dev · found in code
  • marketplace.visualstudio.com · found in code
  • open-vsx.org · found in code
  • raw.githubusercontent.com · found in code

Files it touches

  • /usr
  • Your home directory (~)
  • Any path the agent passes to its tools

Tools (2)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • extract_patterns

    Extract every regular expression from source code — JavaScript and TypeScript literals and RegExp constructors, and the call sites Python, Rust, Go, Java, Ruby, PHP and C# write a pattern at — with its flags, 1-based position, and a ReDoS verdict saying whether the pattern can be driven into catastrophic backtracking. Duplicate pattern-and-flags pairs are reported once, at first occurrence: the output is a pattern list, not an occurrence list.

  • regex_le_lint

    Find every regular expression in files or directories and report which of them can be driven into catastrophic backtracking. Reads the filesystem; never writes to it, and never runs a pattern. It flags dangerous shapes and cannot prove a pattern safe.

Signals

Stars
2
Forks
0
Open issues
0
Last commit
Oct 17, 2026 (14 days ago)
Last release
Oct 7, 2026 (24 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.nolindnaidoo/regex-le
Version
2.6.0
Auth
No auth
Packages
npm regex-le-mcp
License
MIT
Repository
github.com/nolindnaidoo/regex-le
Website
letools.dev/tools/regex-le
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql

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Cite this page

Regex-LE MCP server. Agent Mart. https://agentmart.dev/connectors/nolindnaidoo-regex-le (last updated 2026-10-24)