Agent skills for Grok Build

Guides CodeIgniter 4 application architecture — Controllers, Models (Query Builder, not an ORM), Entities, the Validation library, Filters…

Use when configuring CodeIgniter 4-specific security mechanisms - CSRF protection mode (cookie vs session), output escaping with esc()…

Optimizes PHP-FPM configuration in Docker containers.

Parses and analyzes PHP application logs in PSR-3/Monolog, Laravel, Symfony, and plain error_log formats.

Use when modern PHP features including typed properties, union types, match expressions, named arguments, attributes, enums, and patterns…

When to activate: idiomatic PHP, PHP 8.3, readonly properties, enums, match expression, attributes, named arguments, nullsafe operator…

Injects the gritty, strength-focused internal monologue of Disco Elysium’s 'Physical Instrument' into your Claude Code interactions.

Use when targeting Physical Review Applied (PRApplied) or deciding whether an applied-physics manuscript bridging fundamental physics and…

Use when targeting Physical Review Letters (PRL) or deciding whether a physics manuscript fits this Letter-format, broad-importance venue.

Real-time rope/cable physics using Position-Based Dynamics (PBD), Verlet integration, and constraint solvers.

Register a custom or variant model (e.g. an OpenRouter ":nitro" / ":floor" / ":exacto" slug) in the Pi Agent so it can be set as the…

Hand off a task to the Pi coding agent (the `pi` CLI) as a sub-agent, running in an isolated working directory.

PI Cognitive AI. Trigger: coding/dev/code/architecture/API/refactor/debug/bug/error/exception/crash/timeout/performance/optimization tasks.

Asks a few plain questions about the work, then names the one desktop app to run local AI models in, from LM Studio, Goose, Open WebUI…

Use this skill when picking the appropriate prototype fidelity for an iteration cycle — sketches vs. wireframes vs. clickable Figma vs…

Build a reusable visual style guide from reference images.

For pictorial marks and word-image marks for couture logos: defines standards, burden of proof, and counterarguments; result: a test…

PID controller tuning skill for loop optimization using various tuning methods and performance criteria

Guide for working with Splitrail's MCP server.

Use @pierre/theme for Pierre syntax and editor themes.

Use @pierre/theming to manage runtime themes.