A powerful utility that transforms unstructured log data into clean, machine-readable JSON for streamlined analysis and debugging.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install logfmt-parser
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install logfmt-parser using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Logfmt Parser?
The Logfmt Parser is designed to handle the complexity of heterogeneous log formats by normalizing them into a uniform JSON structure. This skill enables developers and DevOps engineers to process raw server logs, application events, and system outputs into a format that is easily consumed by modern analysis tools, search engines, and log aggregators. By utilizing this within your Openclaw Skills workflow, you significantly reduce the manual effort involved in parsing messy log strings during critical troubleshooting sessions.
Logfmt Parser Use Cases
- Converting legacy server logs into structured JSON for ingestion into ELK stacks or Splunk.
- Standardizing log outputs from multiple microservices into a single uniform format.
- Preparing log data for automated anomaly detection or data visualization tools.
- Extracting and normalizing timestamps from raw text logs for time-series analysis.
How Logfmt Parser Works
- The user provides a raw log file or pipes a log stream into the parser.
- The skill identifies key-value pairs and common log patterns within the unstructured text.
- It extracts specific metadata such as timestamps or severity levels based on user flags.
- The data is serialized into a clean JSON object, optionally excluding the original raw message.
- The structured output is saved to a file or sent to stdout for further processing with tools like jq.
Logfmt Parser Setup
To integrate this tool into your Openclaw Skills environment, ensure you have the binary accessible in your path and use the following command structure:
# Standard installation via CLI
openclaw install logfmt-parser
# Basic conversion command
logfmt_parser -i input.log -o output.json
Logfmt Parser Data Schema & Taxonomy
The Logfmt Parser generates a JSON array of objects, where each object represents a single log entry. Data is organized according to the following taxonomy:
| Field | Type | Description |
|---|---|---|
timestamp |
String | Extracted ISO8601 timestamp (if enabled) |
level |
String | Log level (info, warn, error) |
message |
String | The primary log message content |
raw |
String | The original log line (optional) |
fields |
Object | Custom key-value pairs extracted from the line |
Logfmt Parser Advanced Features
- Real-time stream processing via stdin pipes for live log monitoring within the Openclaw Skills ecosystem.
- Automatic timestamp extraction and normalization for consistent time-series indexing.
- High-performance parsing engine capable of handling large-scale log volumes without significant overhead.
- Flexible output configuration to include or exclude original raw log lines for database space optimization.
SKILL.md
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