Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
KrakenD High-Performance Stateless API Gateway
KrakenD is an ultra-high performance, stateless, declarative API Gateway written in Go. It helps adopt microservices architecture with content aggregation, rate limiting, security policies, and telemetry integration.
Konva.js HTML5 Canvas Interactive Graphics Framework
Konva.js is an HTML5 Canvas JavaScript framework that enables high-performance animations, transitions, node nesting, layering, filtering, caching, and event handling for desktop and mobile applications. With over 14,000 GitHub stars, it provides an interactive object model on to
Kong Gateway API AI and MCP Traffic Control
Kong Gateway is an open-source API gateway that handles routing, authentication, load balancing, observability, and newer AI and MCP traffic patterns. It fits teams that need one control layer in front of services, model providers, or mixed API estates.
Kokoro FastAPI OpenAI-Compatible Text-to-Speech Server
Kokoro-FastAPI is a Dockerized FastAPI wrapper around the Kokoro-82M text-to-speech model with OpenAI-compatible speech endpoints. It supports local TTS serving, multi-language synthesis, web UI access, and timestamped audio generation workflows.
Knip Unused Code and Dependency Finder
Run Knip to find and remove unused files, dependencies, and exports in JavaScript and TypeScript projects. Reduces bundle size, maintenance burden, and dependency attack surface.
KICS IaC Linter
The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.
khal Standards-Based CLI Calendar Application
khal is a standards-based CLI and terminal calendar program written in Python. It reads and writes iCalendar data to vdir format, synchronizes with CalDAV servers via vdirsyncer, and provides both a command-line interface for scripting and an interactive terminal UI (ikhal) for b
Keyword Cluster Generator
Groups keywords into topical clusters using sentence-transformers all-MiniLM-L6-v2 embeddings with HDBSCAN clustering. Pulls search volume data from Google Ads API and SEMrush API.
Keyword Cannibalization Detector
Detects keyword cannibalization issues using Google Search Console API performance data and Semrush keyword tracking. Maps URL-to-keyword overlaps and suggests content consolidation strategies.
KeystoneJS Headless CMS with GraphQL API and React Admin UI
KeystoneJS is a powerful open-source headless CMS for Node.js that auto-generates a GraphQL API and React-based Admin UI from your schema definition. Built by Thinkmill, it supports PostgreSQL and SQLite, custom access control, hooks, virtual fields, and document-based rich text
KeyBERT Minimal Keyword Extraction with BERT Embeddings
KeyBERT is a minimal and easy-to-use Python library that leverages BERT embeddings and cosine similarity to extract keywords and keyphrases from documents. It supports multiple embedding backends including sentence-transformers, Flair, and spaCy, with built-in diversity algorithm
Kestra Event-Driven Orchestration and Scheduling Platform
Kestra is an open-source, event-driven orchestration platform that makes both scheduled and event-driven workflows easy. Define workflows declaratively in YAML with a rich plugin ecosystem covering databases, cloud storage, APIs, and scripting in any language.
Keploy API Test Generation and Regression Testing Platform
Keploy is an open source platform for generating API tests from real traffic and improving regression coverage. This skill helps agents work with test generation, API replay, coverage expansion, and validation workflows around Keploy projects.
Keep GitHub wiki pages synced with recently merged code changes
This entry turns GitHub Next's Agentic Wiki Writer into a documentation-maintenance workflow. The agent watches for recent merges, reads the PAGES.md template, updates only the relevant wiki pages, and opens follow-up changes when the source structure itself needs adjustment.
Katana Next-Generation Web Crawling and Spidering Framework
Katana by ProjectDiscovery is a fast, configurable web crawling and spidering framework written in Go. It supports standard and headless browser modes, JavaScript parsing, automatic form filling, and structured output for feeding into security and data pipelines.
Karakeep Self-Hosted Bookmark Manager with AI Tagging
Karakeep (formerly Hoarder) is a self-hosted bookmark-everything app with 24K+ GitHub stars that provides AI-powered automatic tagging, full-text search, link archiving, and a REST API. It supports bookmarking links, notes, images, and PDFs with OCR extraction and RSS feed auto-h
Kamal Zero-Downtime Docker Deployment Tool by Basecamp
Kamal is an open-source deployment tool by Basecamp that deploys containerized web applications anywhere — from bare metal to cloud VMs — with zero downtime using Docker and SSH. It uses kamal-proxy for seamless container switching and works across multiple servers simultaneously
Apache Kafka Schema Registry Validator
Validates Avro, Protobuf, and JSON Schema compatibility against Confluent Schema Registry using the REST API. Enforces backward/forward/full compatibility modes and detects breaking schema evolution changes.
Apache Kafka Schema Registry Extractor
Extracts and transforms Avro/Protobuf schemas from Confluent Schema Registry using the REST API. Generates TypeScript interfaces, JSON Schema, and data contract documentation from registered subjects.
K9s Kubernetes Terminal Dashboard
K9s is a terminal-based UI for managing Kubernetes clusters, providing real-time observation of resources, log tailing, pod shell access, and cluster navigation. Written in Go with over 28,000 GitHub stars, it replaces dozens of kubectl commands with an interactive interface.
Kubernetes Troubleshooting Runbook
The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.
Kubernetes CrashLoopBackOff Diagnoser
Diagnoses CrashLoopBackOff pods using kubectl and the Kubernetes API. Inspects container logs, exit codes, OOMKilled events, and liveness probe configurations to generate actionable remediation steps.
k6 Load Testing and Performance Benchmarking Tool
A modern open-source load testing tool from Grafana Labs, written in Go with JavaScript scripting. Enables developers to write performance tests as code, run HTTP/WebSocket/gRPC load tests, and integrate results with Grafana Cloud for analysis.
k6 Load Testing CLI for JavaScript Performance Scenarios
k6 is a modern load testing tool for writing performance checks in JavaScript. It fits CI, developer testing, and observability workflows where repeatable load scenarios matter.