Log Analyzer MCP

🔍 Stop copy-pasting logs into AI. Let Claude read them directly.

An MCP server for AI-powered log analysis. Parse, search, and debug log files across 9+ formats — right from Claude Code.

📊 At a Glance


14 MCP tools	9+ log formats
280 tests	81%+ coverage

Log Analyzer MCP Demo

Analyzing logs with 14 specialized tools

bash

# Install (adds to Claude Code automatically)
uvx codesdevs-log-analyzer install

Then in Claude Code:

Code

Analyze /var/log/app.log and tell me what's causing the errors

bash

uvx codesdevs-log-analyzer install

pip / uv / Claude Code config

bash

# pip
pip install codesdevs-log-analyzer

# uv
uv tool install codesdevs-log-analyzer

Add to ~/.claude/settings.json:

config.json

{
  "mcpServers": {
    "log-analyzer": {
      "command": "uvx",
      "args": ["codesdevs-log-analyzer"]
    }
  }
}

Format	Example
Syslog	`Jan 15 10:30:00 hostname process[pid]: message`
Apache/Nginx	`127.0.0.1 - - [15/Jan/2026:10:30:00] "GET /path" 200`
JSON Lines	`{"timestamp": "...", "level": "ERROR", "message": "..."}`
Docker	`2026-01-15T10:30:00.123Z stdout message`
Python	`2026-01-15 10:30:00,123 - module - ERROR - message`
Java/Log4j	`2026-01-15 10:30:00,123 ERROR [thread] class - message`
Kubernetes	`level=error msg="..." ts=2026-01-15T10:30:00Z`
Generic	Any line with recognizable timestamp

Tool	Description
`log_analyzer_parse`	Detect format and extract metadata
`log_analyzer_search`	Search with context lines
`log_analyzer_extract_errors`	Extract and group errors
`log_analyzer_summarize`	Generate debugging summary
`log_analyzer_correlate`	Find related events
`log_analyzer_watch`	Monitor for new entries
`log_analyzer_ask`	Natural language queries
`log_analyzer_scan_sensitive`	Detect PII/credentials
+ 6 more	Full reference →

Find errors:

Code

Extract all errors from /var/log/app.log, group similar ones

Search with context:

Code

Search for "timeout" in app.log with 5 lines of context

Correlate events:

Code

What happened 60 seconds before each OutOfMemoryError?

Scan for secrets:

Code

Check /var/log/app.log for accidentally logged credentials

bash

git clone https://github.com/Fato07/log-analyzer-mcp
cd log-analyzer-mcp
uv sync
uv run pytest -v --cov

MIT License - see LICENSE for details.

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