zebbern

Runs HTTP load tests with gradually increasing concurrent connections. It measures response-time percentiles, throughput, and errors, identifies where performance starts to deteriorate, and recommends a concurrency level based on the results.

• Benchmarking an API under increasing load
• Finding concurrency levels where p99 latency rises
• Checking throughput saturation and error growth

Assess Linux systems for weaknesses that let a regular user gain administrator access. Guides inspection of permissions, scheduled tasks, and vulnerable components, with findings, evidence, and remediation recommendations documented for review.

• Auditing Linux permissions and configuration
• Checking sudo and SUID privilege escalation paths
• Reviewing scheduled tasks and shared directories

Set up and audit multilingual application interfaces. Replace hard-coded text with translation keys, localize error messages, and check for missing translations, matching keys across languages, plural forms, and date or number formatting.

• Adding multilingual support to an application
• Finding missing translations across languages
• Localizing error messages and accessibility labels

Analyze JSON, syslog, or Nginx logs to group similar errors, count occurrences, and identify busy error periods. Filter by severity or time range, then view the report in the terminal or export it as JSON.

• Grouping repeated errors to investigate causes
• Finding hours or dates with error spikes
• Analyzing logs within a specific time range

Guides authorized security assessments with Metasploit, from scanning and vulnerability testing to payload generation, code used during a test, and post-exploitation investigation. It also covers session management and recording evidence of findings.

• Checking vulnerabilities in an authorized test environment
• Finding modules for a specific CVE
• Reviewing system information after a test compromise

Set up HTTP, HTTPS, SNMP for device information, and SMB for file sharing in a penetration testing lab. Follow configuration and testing steps to inspect exposed information, check access permissions, and review service logs.

• Setting up a web server in a testing lab
• Checking HTTPS connections with a self-signed certificate
• Practicing SNMP information discovery

Learn how to conduct an authorized penetration test, a security assessment that checks exploitable weaknesses. Follow guidance from initial research and scanning through validation, evidence collection, and reporting with remediation recommendations.

• Learning the full penetration testing lifecycle
• Planning research and scanning for an authorized assessment
• Organizing vulnerability evidence

Use when creating /goal directives, reusable testable outcome-oriented success standards for agentic workflows. Use whenever the user asks to create a goal, write a /goal directive, define what good looks like, set success criteria for an agent, define a reusable instruction, create a quality standard, write acceptance criteria for an agent workflow, or specify done conditions.

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Use this skill when the user wants to update their project's CLAUDE.md or AGENTS.md, verify their Claude Code setup, or check for improvements to their project configuration. Triggers on requests like: "update my project docs", "verify my claude setup", "check my project configuration", "audit my .claude directory", "improve my CLAUDE.md", "is my setup correct", "/update-project", "/verify-project", or "/check".

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