Claude Skills by agentskillexchange

grex is a command-line tool and library that automatically generates regular expressions from user-provided test cases. Written in Rust with Python bindings, it produces the most specific regex that matches the given input, supporting Unicode 16.0, character class detection, quantifier notation, and case-insensitive matching.

Griptape is a modular Python framework for building AI agents and workflows with chain-of-thought reasoning, tools, and memory. It provides Agents, Pipelines, and Workflows as core structures, with pluggable drivers for LLMs, embeddings, vector stores, and more.

Grist is an open-source modern relational spreadsheet that combines the flexibility of a spreadsheet with the robustness of a database. It supports Python formulas, a REST API, self-hosting via Docker, and AI-powered formula assistance.

gron transforms JSON into discrete assignment statements, making it possible to grep through complex JSON structures using standard Unix tools. It reverses the process with ungron, turning filtered assignments back into valid JSON.

Use GitMCP to connect an MCP-capable coding agent to current GitHub repository docs and code before generating or changing implementation details.

Give coding agents a PostgreSQL-specific reference layer with semantic doc search and curated schema, indexing, and constraint guidance before they generate database code.

Bring agent-mode paper chat, citation-grounded answers, note saving, tagging, importing, and library-wide research operations into Zotero.

Grounded Docs MCP Server gives AI coding assistants a version-aware documentation index built from official sources like websites, GitHub, npm, PyPI, and local files. It helps agents fetch current docs, search them semantically, and reduce hallucinations when working against real libraries and APIs.

Use the upstream install or setup path that matches your environment: - npm package: [@grpc/grpc-js](https://www.npmjs.com/package/@grpc/grpc-js) - npm package: [grpc](https://www.npmjs.com/package/grpc). - npm package: [@grpc/proto-loader](https://www.npmjs.com/package/@grpc/proto-loader) - npm package: [grpc-tools](https://www.npmjs.com/package/grpc-tools)

Like cURL but for gRPC servers. A command-line tool for interacting with gRPC services using server reflection or proto files, supporting unary calls, streaming, TLS, and metadata headers.

Scan container images, filesystems, and SBOMs for known vulnerabilities using Anchore Grype. Supports major OS package ecosystems and language-specific packages with EPSS risk scoring and OpenVEX filtering.

Extracts search performance data via the Google Search Console API v1 /searchAnalytics/query endpoint. Analyzes CTR, impressions, and position trends with dimension filtering by page, query, device, and country.

Pulls search analytics from Google Search Console's /searchanalytics/query API to identify declining pages and keyword cannibalization. Calculates CTR optimization opportunities by comparing actual vs expected click-through rates.

Builds GStreamer pipelines for real-time video transcoding with NVENC/VA-API hardware acceleration. Supports adaptive bitrate HLS/DASH output via GStreamer's hlssink2 and dashsink elements.

Analyzes and optimizes GStreamer media pipelines by parsing DOT graph dumps from GST_DEBUG_DUMP_DOT_DIR, profiling element throughput via gst-stats, and suggesting queue sizing and thread pool configurations.

Gum by Charmbracelet is a tool for building glamorous shell scripts. It provides configurable terminal UI components (choose, confirm, input, filter, spin, table, format) that can be used directly from bash to create interactive, visually polished CLI experiences.

Generates custom WordPress Gutenberg block patterns using register_block_pattern() and the Block Editor API. Creates reusable pattern categories with register_block_pattern_category() for organized content libraries.

Generates custom Gutenberg blocks using @wordpress/create-block and the Block API v3 schema. Produces edit.js, save.js, block.json, and render.php with InnerBlocks support and block.json viewScriptModule.

Scaffolds and builds custom Gutenberg blocks using @wordpress/create-block and the Block API registerBlockType(). Generates edit/save components with InspectorControls, RichText, and InnerBlocks support.

Scrapes and analyzes Hacker News threads using the official HN Firebase API and BeautifulSoup. Extracts sentiment trends, expertise signals, and generates structured summaries with key arguments mapped.

Lets an agent exercise REST, GraphQL, and gRPC authorization paths with YAML-defined role tests so BOLA, BFLA, broken authentication, and related API flaws are caught before release.

HandBrake is a widely-used open-source video transcoder that converts video files between formats for playback on phones, tablets, TVs, game consoles, and web browsers. It supports most common input formats and leverages FFmpeg, x264, x265, and SVT-AV1 for encoding.

Hanko is an open-source authentication and user management platform built on passkeys and WebAuthn. It provides a drop-in authentication solution as an alternative to Auth0, Clerk, and Stytch, with pre-built web components, a REST API, and an admin dashboard.

Harden-Runner by StepSecurity is a CI/CD security agent that works like an EDR for GitHub Actions runners. It monitors network egress, file integrity, and process activity in real-time, detecting supply chain attacks such as the tj-actions and Codecov compromises.

Harness Open Source (formerly Gitness) is an end-to-end developer platform that integrates Git repository hosting, CI/CD pipelines, hosted development environments, and artifact registries in a single self-hosted binary.

Harper is an offline, privacy-first grammar checker written in Rust by Automattic. It runs locally with sub-10ms response times, supports LSP for editor integration, compiles to WebAssembly for browser use, and provides grammar, spelling, and style checking without sending text to external servers.

The official HashiCorp Vault MCP server lets AI assistants read, write, list, and delete secrets in Vault's KV engine through a safe, auditable MCP interface. Supports both stdio and HTTP transports, TLS encryption, and CORS controls.

Connects to HashiCorp Vault HTTP API for automated secret rotation workflows. Manages dynamic database credentials via Vault database secrets engine, handles PKI certificate renewal, and implements lease lifecycle management with TTL monitoring.

Scans codebases for hardcoded secrets using HashiCorp Vault SDK and truffleHog patterns. Integrates with Vault Transit engine for automatic secret rotation and re-encryption of detected credentials.

Automates secret rotation in HashiCorp Vault using the Vault API and dynamic secrets engines. Manages database credential leases, PKI certificate renewal, and AWS STS token generation with TTL policies.

Hasura turns Postgres and other supported data sources into a production-ready GraphQL API with realtime subscriptions, event triggers, and role-based permissions. This skill is useful when an agent needs to inspect schemas, expose structured data safely, or automate backend workflows without hand-writing resolvers.

Connects headless CMS backends (WordPress WPGraphQL, Strapi, Contentful) to frontend frameworks using Apollo Client and urql. Handles content previews, ISR cache invalidation, and webhook-driven rebuilds.

HeadstartWP is 10up's open-source framework for building headless WordPress sites with Next.js. It combines a WordPress plugin, JavaScript packages, and documented patterns for routing, previews, content fetching, SEO, and multilingual delivery so an agent can scaffold or extend modern WordPress frontends faster.

Healthchecks.io is an open-source cron and background task monitoring platform that alerts when scheduled jobs fail to ping on time. It gives teams a dashboard, API, and notification integrations for tracking recurring jobs without building their own heartbeat system.

An open-source software supply chain health check tool that analyzes dependencies using deps.dev, SBOMs, and external advisories. Heisenberg generates health scores, detects risky packages, and produces CSV reports for individual dependencies or entire GitHub organization portfolios.

Helix is a post-modern terminal-based modal text editor written in Rust. It features built-in language server protocol (LSP) support, smart syntax highlighting and code editing via Tree-sitter, and a Kakoune-inspired editing model with multiple selections.

Scaffolds Kubernetes Helm charts with values.yaml templating, ingress configuration, and HPA definitions. Uses helm-unittest for test generation and Chart Testing (ct) lint integration.

Uses helm-diff to compute a human-readable diff between deployed and candidate chart versions before upgrade. Automatically bumps image tags by querying the OCI registry, then executes helm upgrade --atomic with configurable rollback timeouts. Sends upgrade status to PagerDuty or Datadog.

Scaffolds Helm 3 chart templates with Go templating best practices. Uses helm-unittest for test generation and Polaris for Kubernetes resource validation scoring.

Generates and validates Kubernetes Helm charts using helm template and helm lint APIs. Supports values schema generation via json-schema-generator and chart dependency resolution with helm dependency update.

Scores content readability using textstat library metrics (Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau). Highlights complex sentences, passive voice via spaCy dependency parsing, and adverb density.

Highlight.io is an open-source full-stack monitoring platform combining session replay, error monitoring, logging, and distributed tracing in a single cohesive tool. Self-hostable via Docker, it provides complete application observability for frontend and backend.

Himalaya is a CLI email client written in Rust that supports IMAP, Maildir, and Notmuch backends for reading mail, and SMTP and Sendmail for sending. It features multi-account configuration, PGP encryption, OAuth 2.0, system keyring integration, and JSON output for scripting and agent automation.

Hono is a small, simple, and ultrafast web framework built on Web Standards. It runs on any JavaScript runtime including Cloudflare Workers, Deno, Bun, Vercel, AWS Lambda, and Node.js, making it ideal for building portable edge-first APIs and web applications.

Hookdeck CLI is Hookdeck's official command-line tool for forwarding webhooks to localhost, managing event gateway resources, and running an MCP server for agent workflows. It is useful when you need repeatable webhook testing, local event inspection, and a bridge between webhook infrastructure and agent tooling.

Hoppscotch is a lightweight, open-source API development platform that serves as an alternative to Postman and Insomnia. It supports REST, GraphQL, WebSocket, SSE, MQTT, and Socket.IO protocols with a fast, browser-based interface available as PWA, desktop app, and CLI.

Horcrux splits files into encrypted fragments using Shamir Secret Sharing, so you can distribute pieces across locations and reconstruct the original with a configurable threshold — no password required.

Howler.js is a JavaScript audio library for the modern web that defaults to the Web Audio API with an HTML5 Audio fallback. With nearly 25,000 GitHub stars and 580,000 weekly npm downloads, it provides a single reliable API for audio playback, spatial sound, sprites, and streaming across all browsers and platforms.

htmlq is a command-line tool for extracting content from HTML using CSS selectors, functioning as the HTML equivalent of jq. Written in Rust, it lets you pipe HTML through CSS selectors to extract text, attributes, and structured content directly from the terminal.

HTTPie is a modern, user-friendly command-line HTTP client designed for testing, debugging, and interacting with APIs and HTTP servers. It provides an intuitive syntax with formatted and colorized terminal output, built-in JSON support, and session persistence.