JavaScript library for working with recurrence rules for calendar dates as defined in the iCalendar RFC and more.

Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.

Cross-platform PDF digital signing tool. JavaFX desktop UI with drag-to-place visible signatures, PKCS#11/PKCS#12 keystores, RFC 3161 timestamping, OCSP/CRL long-term validation, and a scriptable CLI.

A humble, and 𝗳𝗮𝘀𝘁, security-oriented HTTP headers analyzer.

A modern, open-source Full Calendar alternative for React. Month, week, day, and year views with drag-and-drop, horizontal and vertical resource views, and RFC 5545 recurring events — all MIT licensed.

A collection of reusable Codex skills for goal planning, execution, and code understanding.

A curated collection of Claude Code agent skills that accelerate the entire vLLM development lifecycle.

A mechanism for discovering Agent Skills using the .well-known URI path prefix as specified in RFC 8615 for discovering Agent Skills.

Scraping + AI-provider standards — the Scraper trait & SCRAPERS registry, selector resilience, rate-limiting/cancellation, and the provider-abstraction (zero-change) rule for embeddings/streaming/prompts. Load for changes under scraping/, ai_provider/, packages/prompts, documents/embed.

Use when the user wants to write, draft, or author an RFC (Request for Comments) / technical design doc for a feature, change, or architectural decision. Interactively interviews the user, grounds the proposal in the actual codebase, presents 2-3 concrete API/code-snippet approaches to choose from, then writes a review-ready RFC. Triggers on "write an RFC", "draft an RFC", "RFC for X", "design doc for X", or /rfc.

Modify an existing SigNoz dashboard — add or remove panels, edit a panel's query, threshold, or unit, rename the dashboard, change a panel type (graph ↔ table ↔ value), rearrange the layout, add or edit variables, or update tags. Make sure to use this skill whenever the user says "add a panel to my dashboard", "change the query on this panel", "remove the latency widget", "rename my dashboard", "update the filters", "rearrange the layout", "add a variable", "change panel type from graph to table", or otherwise asks to change something on a dashboard that already exists — even if they don't say "modify" or "edit" explicitly.

Create the foundational Architecture Decision Record (ADR) sequence for a new project. Use after bootstrap-project, when establishing decision documentation, or when standardizing ADR practices.