• CLEAN DATA
  • SUMMARY
  • FILTERED
  • HUMAN

How to extract entities from logs with your AI

Connect this MCP to your AI client to scan massive log files. Your agent uses regex to find specific data points that are too large to fit in a standard prompt.

Ask AI about this page

Short answer

How can I pull specific IDs from huge log files?

Your AI uses the extract_regex_matches tool to scan files that exceed its context limit. It identifies and pulls only the specific patterns you define, like IP addresses or timestamps. You get a clean list of data to analyze.

Where your data lands.

The results of the extraction.

The parser isolates the specific strings you need from the noise of raw logs.

CLEAN DATA

Structured entity lists

The AI pulls every match into a clean format. You get a list of IPs, IDs, or codes without the surrounding log clutter.

SUMMARY

Pattern-based insights

Once the entities are extracted, your agent can count occurrences or find trends in the specific data points found.

FILTERED

Reduced context load

Instead of feeding a 500MB file to your AI, you only pass the relevant matches. This keeps your chat window fast and focused.

HUMAN

Manual verification

You review the extracted list to ensure the regex patterns didn't catch unintended strings before running further analysis.

The workflow

What your AI does when the logs arrive.

The AI handles the heavy lifting of scanning through files that are too big for a normal chat window.

  1. Pattern definition

    You tell your agent what specific pattern to look for, such as a standard IPv4 address or a specific error code format.

    extract_regex_matches

  2. Massive file scanning

    The AI uses the regex tool to scan through the entire log file, even if it's gigabytes in size.

    extract_regex_matches

  3. Entity isolation

    The tool pulls only the matching strings out of the raw text, ignoring the rest of the log entries.

    extract_regex_matches

  4. Data presentation

    Your agent presents the extracted matches as a concise list or a table for you to inspect.

    extract_regex_matches

Try it

Copy these to start.

Use these prompts to begin extracting data immediately.

Starting points

Replace the bracketed text with your actual file paths and the specific patterns you need to find.

Native V8 RegExp Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_xC7DDd1wWN0OZEv0hCIayRgmdFifCytnHT3gS2YK/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Native V8 RegExp capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "regex-high-perf-parser-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_xC7DDd1wWN0OZEv0hCIayRgmdFifCytnHT3gS2YK/mcp"
    }
  }
}
Copy into chat04

  • Extract all IP addresses from /var/log/syslog using regex.

  • Find all error codes matching the pattern 'ERR-[0-9]{4}' in the production_logs.txt file.

  • Scan the access.log file and pull every unique User-Agent string found.

  • Look through the application.log file and extract all timestamps in the format YYYY-MM-DD HH:mm:ss.

  • Claude
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  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Regex High-Perf Parser once, then ask.

One click connects this MCP to your AI client. Your credentials stay encrypted, and you can start running regex tasks right away.

Connect Regex High-Perf Parser to your AI

FAQ

How the parser behaves

  • 01

    Can the AI edit my original log files?

    No. The tool only reads the files to extract matches. It cannot modify, delete, or overwrite your logs.

  • 02

    Does this work on files larger than the AI's context window?

    Yes. That is the primary purpose of this MCP. It scans the file externally and only brings the matches into the chat.

  • 03

    Can the AI automatically fix the errors it finds in the logs?

    No. The tool is strictly for extraction. You must manually use the extracted data to perform any fixes.

  • 04

    Do I need to write the regex myself?

    You can, but you can also just tell your agent in plain English what you are looking for, and it will generate the pattern for you.

  • 05

    Can it extract data from compressed .gz files?

    No. You should decompress the logs before asking the AI to scan them.

  • More questions about Regex High-Perf Parser? The Connector page answers them. See everything the Regex High-Perf Parser Connector can do

Connect Native V8 RegExp to Claude, Cursor, ChatGPT & more