Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
Monitor Claude Code and Codex local usage logs for spend, model mix, and session burn with ccusage
Use ccusage when an agent operator needs to turn local Claude Code or Codex usage logs into spend and usage reports instead of manually reading raw JSONL files.
MongoDB MCP Server
The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.
MongoDB MCP Server for Database and Atlas Management
The official MongoDB MCP server connects AI agents to MongoDB databases and Atlas clusters through the Model Context Protocol, enabling structured queries, collection management, Atlas API operations, and aggregation pipelines with built-in authentication and access control.
Mods AI-Powered Command-Line LLM Interface by Charmbracelet
Mods is a CLI tool by Charmbracelet that pipes stdin directly to large language models. It enables AI-powered text processing, code review, commit message generation, and data transformation from the terminal with support for OpenAI, Anthropic, and local models.
Model user behavior and run distributed load tests before backend changes face real traffic with Locust
Script realistic user flows in Python and fan them out across workers so agents can pressure-test services before rollout.
Mockoon Local Mock API Server and CLI for API Development
Mockoon is the fastest way to run mock REST APIs locally. It provides a desktop application and a CLI for creating mock API servers with dynamic response templates, proxy mode, OpenAPI import, and request logging — no account required, fully open source.
Mock AI app dependencies for deterministic local and CI tests
Use AiMock when an agent needs reproducible tests around LLM APIs, MCP tools, A2A flows, vector stores, search, or moderation services without depending on live providers.
MLT Multimedia Framework for Video Editing and Processing
MLT is an open-source LGPL multimedia framework designed for video editing. It provides a toolkit and the melt command-line tool for non-linear video editing, transitions, effects, and rendering. MLT powers Shotcut, Kdenlive, and other video editors.
MkDocs Project Documentation Generator
MkDocs is a fast, simple, and elegant static site generator designed for building project documentation from Markdown files. Configured with a single YAML file, it transforms documentation source files into professional, navigable websites with built-in themes and plugin support.
mkcert Zero-Config Local Development TLS Certificate Generator
mkcert is a zero-configuration CLI tool by Filippo Valsorda that creates locally-trusted development certificates. It automatically installs a local CA in the system root store and generates TLS certificates for localhost, custom domains, and IP addresses without manual PKI manag
Mitosis Cross-Framework Component Compiler by Builder.io
Mitosis lets you write UI components once and compile them to React, Vue, Angular, Svelte, Solid, Qwik, and more. Built by Builder.io, it enables maintaining a single component codebase across all major frontend frameworks.
mitmproxy Interactive HTTPS Proxy for Debugging and Security Testing
mitmproxy is an interactive, SSL/TLS-capable intercepting HTTP proxy for penetration testers and software developers. It supports HTTP/1, HTTP/2, HTTP/3, and WebSockets, offering console, command-line, and web-based interfaces for intercepting, inspecting, modifying, and replayin
Mise Dev Tool Version Manager
Use mise (mise-en-place) to manage development tool versions, environment variables, and task running from a single configuration file. Replaces asdf, nvm, pyenv, rbenv, and direnv in one tool.
Mirror OpenClaw workspaces and stream encrypted backups with openclaw-workspace-sync
Sync an OpenClaw workspace to your own cloud storage or push encrypted agent-system backups with OpenClaw-aware mailbox, mirror, and bisync modes.
Mirror GitHub issues, pull requests, commits, and releases into SQLite for offline analysis
Use dogsheep/github-to-sqlite when an agent needs a local, queryable snapshot of GitHub activity instead of bouncing through the web UI or ad hoc API calls. The agent authenticates once, pulls the exact GitHub objects it needs, and leaves behind a SQLite database that can be insp
Mirror and back up OpenClaw workspaces to your own storage with openclaw-workspace-sync
Lets an OpenClaw agent sync its workspace to cloud storage in mailbox, mirror, or bisync mode, and optionally push encrypted full-system backups to an rclone backend.
MinIO High-Performance S3-Compatible Object Storage Server
MinIO is a high-performance, S3-compatible object storage server. It can run standalone or distributed, providing enterprise-grade storage with a familiar AWS S3 API for seamless integration with existing tools and SDKs.
Miniflux Self-Hosted RSS Feed Reader and Automation API
Use Miniflux to run a minimalist self-hosted feed reader with a clean web UI, webhooks, and API integrations. This skill helps agents subscribe to sources, organize categories, and automate article triage or downstream alerting from RSS, Atom, and JSON feeds.
MinerU PDF-to-Markdown Document Parser
Transforms complex PDFs into LLM-ready markdown and JSON using MinerU, a high-accuracy document intelligence pipeline. Extracts text, tables, formulas, and images from scientific papers, reports, and scanned documents with layout-aware parsing.
Miller CSV TSV JSON Data Processor
Miller (mlr) is a command-line tool for querying, shaping, and reformatting name-indexed data such as CSV, TSV, JSON, and JSON Lines. It combines the functionality of awk, sed, cut, join, and sort into a single tool purpose-built for structured data processing.
Migrate MySQL, SQLite, or CSV data into PostgreSQL with repeatable load files before cutover with pgloader
Move data into PostgreSQL with declarative load files, built-in type conversion, and repeatable migration runs before one-off import scripts become cutover risk.
Midjourney Prompt Optimizer
Analyze and optimize Midjourney prompts using parameter tuning for --ar, --stylize, --chaos, and --weird flags. Generates prompt variations with style references (--sref) and character references (--cref) for consistent image output.
Midjourney Prompt Engineering Suite
Generates and optimizes Midjourney prompts using the Midjourney API with automatic parameter tuning for aspect ratios, stylize values, and chaos settings. Includes A/B testing workflows via Replicate prediction API.