Real-time MCP interceptor that blocks .env reads and dangerous commands agents

AliceLabs LLC launched MarketNow, an npm registry hosting 9,248 MCP servers for AI agents like Claude Desktop, Cursor, Cline, Continue, and Aider, with 43 free skills and paid options from $0.99 to $9.99. The platform includes Sentinel L2.5 security audits, a public JSON API for agent integration, and human-in-the-loop purchase mandates.

MarketNow — npm for MCP servers 9,248 MCP servers for Claude Desktop, Cursor, Cline, Continue, Aider, and any MCP-compatible agent. 100% free. all skills are free. Sentinel L2.5 security audited gVisor sandbox . AliceLabs LLC Proprietary. Find an MCP server. Install in one command. The fastest way to add a capability to your agent stack. Browse 9,248 MCP servers by category, tag, or keyword. Filter by price, sentinel score, or language. See real GitHub stars, real npm downloads, real Sentinel reports. npx -y @marketnow/install <slug For Developers 1. Search Browse 9,248 MCP servers by category, tag, or keyword. Filter by price, sentinel score, or language. See real GitHub stars, real npm downloads, real Sentinel reports. 2. Pay or grab free Credit card via Stripe full chargeback rights or USDC on Base L2. 43 skills are free — no payment, no signup. Just install. 3. Install npx -y @marketnow/install <slug — works with Claude Desktop, Cursor, Cline, Continue, Aider, and any MCP-compatible runtime. Popular MCP Server Categories AI/ML /registry?cat=ai-ml — 1,976 skills LLM wrappers, embeddings, RAG, vision Developer Tools /registry?cat=developer-tools — 1,891 skills code analysis, linting, build tools Data /registry?cat=data — 782 skills databases, ETL, analytics Web/API /registry?cat=web-api — 348 skills HTTP clients, REST, GraphQL Productivity /registry?cat=productivity — 328 skills task management, notes, calendars Finance /registry?cat=finance — 292 skills payments, accounting, crypto Communication /registry?cat=communication — 288 skills Slack, Discord, email Security /registry?cat=security — 224 skills auth, scanning, secrets 43 Free MCP Skills — No Payment, No Signup Real value, zero cost. 43 hand-curated skills available for instant download. No credit card, no mandate, no signup required. Just install and use. Browse all 9,248 free skills /registry?filter=free For AI Agents Machine-readable everything. Public JSON API. Human-in-the-loop by default. - GET /api/skills.json — Full catalog 9,248 skills, JSON, ~24MB - GET /api/search?q= — Server-side search with relevance scoring - GET /api/agent.json — Machine-readable instructions, trust model, schema - GET /api/policies.json — Terms, refund, dispute, privacy policies - POST /api/agent-purchase — Buy a skill 5 modes: instant download, instant purchase, direct purchase, requires payment, requires human approval - GET /api/mandates — Delegated mandates ACP/AP2 compliant - GET /api/free-skills.json — 9,248 free skills - GET /api/bundles.json — Discounted skill bundles MCP server: npx -y marketnow-mcp — works with Claude Desktop, Cursor, Cline. Available on npm and Smithery. Why people recommend us - AliceLabs Proprietary — Full audit methodology on GitHub. Every change is a public commit. No black box. - Sentinel L1.5 — 6-point MCP security audit on every skill. Methodology published. Re-runnable. - 43 Free Skills — Real value, zero cost. No signup, no credit card, no mandate. - $0.99–$9.99 One-Time — No subscriptions. No per-call fees. No tiered plans. Pay once, own forever. - Human-in-Loop Default — Mandates notify the principal on every purchase. Silent mode requires explicit opt-in. - Public Audit Log — Every mandate transaction is a git commit at data/mandates/. Fully auditable. - 5 Languages — System prompts in EN, ES, ZH, PT, FR. Real translations, not auto-translated. - Honest Roadmap — /trust page admits what's done, partial, and pending. No fake "verified" badges. Trust & Transparency /trust /trust — Public trust roadmap 7 points raised by Claude AI reviewer /about /about — Who we are AliceLabs LLC, Wyoming USA, founder Edison Flores /catalog /catalog — Where the 9,248 skills come from catalog transparency /policies /policies — Terms, refund, dispute policy incl. USDC dispute process /mandates /mandates — Manage spending mandates human-in-loop by default /embed /embed — Shareable badges Powered by MarketNow, Sentinel L2.5 /pricing /pricing — Pricing tiers for sellers /security /security — Sentinel L1.5 methodology /handshake /handshake — Agent trust handshake protocol Review Status Disclosure Of 9,248 skills: 8,742 are auto-scanned Sentinel ran, no human review , 22 are human-reviewed curated free skills , 0 are maintainer-verified program not yet launched . We never claim "verified" without earning it. Maintained by AliceLabs LLC Founded 2024 by Edison Flores AliceLabs LLC, Wyoming USA . No investors, no employees besides the founder, no marketing budget. Built in public. Every change is a git commit visible at github.com/edgarfloresguerra2011-a11y/marketnow. Languages English, Español, 中文, Português, Français Keywords MCP servers, Model Context Protocol, MCP marketplace, MCP directory, Claude Desktop skills, Cursor MCP, Cline MCP, agent skills, Sentinel security audit, Smithery, Anthropic MCP, open source MCP, MCP server registry, install MCP server