Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
Makefile Linting for CI and Build Pipelines
Uses checkmake to inspect Makefiles for style issues, fragile targets, and maintainability problems before build automation breaks in CI. It is a narrow build-script review skill for agents working inside repositories that already rely on make, not a generic build tool listing.
Makefile Dependency Auditor
Parses GNU Makefiles using pymake and builds complete dependency DAGs. Detects circular dependencies, unreachable targets, missing prerequisites, and generates optimal parallel build orderings.
Makedown Task Runner
Extracts executable task definitions from Markdown files and runs them as shell pipelines. Parses fenced code blocks with task metadata annotations and manages dependencies between tasks.
Mailtrap Node.js SDK for Transactional and Sandbox Email
An ASE skill built on the official Mailtrap Node.js SDK for sending transactional email and working with Mailtrap sandbox or production flows. It is well suited to agent workflows that need API-driven email delivery, test inbox validation, and structured messaging automation.
Mailspring Open Source Email Client with Plugin Architecture
Mailspring is a beautiful, fast, and fully open source email client for Mac, Windows, and Linux. Built on Electron and React with a C++ sync engine, it supports unified inbox, snooze, send later, mail rules, and templates with a powerful plugin system.
Mailpit SMTP Testing and Email Capture Workbench
This skill uses Mailpit as a safe SMTP sink for development, QA, and automated test runs. It helps teams capture, inspect, search, and validate transactional email without sending anything to real inboxes.
MailHog SMTP Testing Server with Web UI and API
Uses MailHog to capture outbound email in development and test environments through a local SMTP server, browser UI, and JSON API. It is a practical fit for debugging transactional mail, verifying templates, and testing delivery behavior without sending messages to real recipient
Mailgun JavaScript SDK for Email Delivery and Domain Operations
An ASE skill built around the official Mailgun JavaScript SDK for sending email and managing Mailgun API workflows from Node.js. It fits agent tasks that need transactional messaging, domain-aware email operations, event handling, and direct integration with the Mailgun platform.
Mailgun JavaScript SDK for Email Delivery and Domain Operations
An ASE skill built around the official Mailgun JavaScript SDK for sending email and managing Mailgun API workflows from Node.js. It fits agent tasks that need transactional messaging, domain-aware email operations, event handling, and direct integration with the Mailgun platform.
MailDev SMTP Testing Server and Web Interface for Development Email Workflows
MailDev is a local SMTP server with a browser UI for viewing test emails during development. It catches outgoing mail, exposes a REST API, supports attachments and relay options, and helps teams test email flows without sending real messages to customers.
MailDev SMTP Capture and Email Testing Server
MailDev is a local SMTP server with a web UI and REST API for capturing application email during development. It lets agents and test workflows inspect messages, attachments, and relay behavior without touching real inboxes.
Mailchimp Marketing API Node.js SDK
Connects agents to Mailchimp’s official Marketing API through the official Node.js client library. Useful for audience sync, tagging, campaign orchestration, automation triggers, webhooks, and batch operations at marketing scale.
Maigret OSINT Username Profiler Across 3000+ Sites
Maigret collects a dossier on a person by username only, checking for accounts on over 3000 sites and gathering available information from web pages. A powerful Sherlock fork with recursive search, profile parsing, and structured report output.
Magika AI File Type Detection and Content Classification
Magika is Google's AI-powered file type detector for fast, content-based identification of binary and text files. It is useful when an agent needs safer routing, validation, triage, or downstream policy decisions based on the real file contents instead of just filenames or MIME h
lychee Async Broken Link Checker for Websites and Documentation
lychee is a fast, async, stream-based link checker written in Rust that finds broken URLs and mail addresses inside Markdown, HTML, reStructuredText, websites and more. It supports HTTP/HTTPS, file links, and mail address validation with configurable concurrency and output format
lsd Next-Generation ls Directory Listing Tool
lsd (LSDeluxe) is a modern rewrite of the classic ls command written in Rust, adding color coding, file-type icons via Nerd Fonts, tree view, and extensive formatting options while maintaining familiar ls command syntax.
Lottie Animation Optimizer
Analyzes and optimizes Lottie JSON animation files using lottie-web parser internals, reduces file size via keyframe deduplication and path simplification, and validates against the Telegram Lottie sticker spec (TGS).
LosslessCut FFmpeg-Powered Media Editor
Perform ultra-fast lossless trimming, cutting, and merging of video and audio files with LosslessCut. Built on FFmpeg, it handles direct data copy operations without re-encoding, preserving original quality while saving hours of processing time.
Loki Log Query Agent
The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.
Logto Open Source Authentication and Authorization Infrastructure
Logto is a modern, open-source authentication and authorization infrastructure built on OIDC and OAuth 2.1. It provides multi-tenancy, enterprise SSO, RBAC, and SDKs for 30+ frameworks, making it the go-to Auth0/Cognito alternative for SaaS and AI applications.
Logfire Python Observability SDK for LLM and Agent Tracing
Logfire is Pydantic's observability SDK for Python applications, with first-class tracing for AI, LLM, and agent workloads. It wraps OpenTelemetry, ships with a hosted UI, and supports instrumenting popular Python frameworks without building a custom tracing stack from scratch.
Logdy Real-Time Log Viewer with Web UI and CLI
Logdy is a zero-dependency single-binary log viewer that pipes any command output into an interactive browser-based UI. It supports custom TypeScript parsers, column definitions, filtering, and works with stdin, files, sockets, and REST API inputs.
LobeHub Multi-Agent Chat Platform with MCP Plugin Ecosystem
LobeHub is an open-source multi-agent chat platform supporting 50+ LLM providers, MCP plugin marketplace, knowledge base management, and multi-agent collaboration. It serves as a self-hosted alternative to ChatGPT with extensible function calling and voice capabilities.
Load-test HTTP endpoints with reproducible attack profiles and latency reports before rollout with Vegeta
Run constant-rate HTTP attacks, capture binary results, and generate reports or plots before capacity changes and releases.