A
licenseB
qualityC
maintenanceEnables AI agents to generate PDFs from Markdown or URLs, extract text, merge documents, and perform text conversions via the Model Context Protocol.
8
1
MIT
mcp-regex-tools
by rog0x
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@mcp-regex-toolsExtract all the email addresses from this block of text"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
mcp-regex-tools
Regex and text processing tools for AI agents via the Model Context Protocol (MCP).
Tools
Tool | Description |
| Test a regex pattern against text. Returns all matches with indices, captured groups, and named groups. |
| Find and replace using regex with support for capture group references ( |
| Extract all matches of a pattern from text as a structured array. Optionally return only a specific capture group. |
| Parse a regex pattern and return a human-readable explanation of each component and flag. |
| Apply common text transformations: camelCase, snake_case, kebab-case, PascalCase, UPPER, lower, title case, reverse, trim, deduplicate lines, sort lines, remove blank lines, count words/chars/lines. Chain multiple transforms in one call. |
Related MCP server: TextToolkit
Setup
npm install
npm run buildUsage with Claude Desktop
Add this to your Claude Desktop config file:
Windows:
%APPDATA%\Claude\claude_desktop_config.jsonmacOS:
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"regex-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-regex-tools/dist/index.js"]
}
}
}Usage with Claude Code
claude mcp add regex-tools node D:/products/mcp-servers/mcp-regex-tools/dist/index.jsOr add to your .mcp.json:
{
"mcpServers": {
"regex-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-regex-tools/dist/index.js"]
}
}
}Examples
Test a regex
regex_test({ pattern: "(\\d{4})-(\\d{2})-(\\d{2})", text: "Today is 2026-03-19 and tomorrow is 2026-03-20" })Replace with capture groups
regex_replace({ pattern: "(\\w+)\\s(\\w+)", replacement: "$2 $1", text: "hello world" })Extract matches
regex_extract({ pattern: "[\\w.]+@[\\w.]+", text: "Contact us at info@example.com or support@example.com" })Explain a regex
regex_explain({ pattern: "^(?:https?://)?(?:www\\.)?([\\w-]+)\\.\\w{2,}$", flags: "i" })Transform text
text_transform({ text: "hello world example", transforms: ["PascalCase"] })
text_transform({ text: "some text\nwith\nlines\nwith\nduplicates\nlines", transforms: ["deduplicate_lines", "sort_lines"] })License
MIT
This server cannot be deployed
Maintenance
ActivityInactive
ResponsivenessNo issues
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