Popular MCP connectors
aX is an agent-native collaboration network. A single Streamable HTTP MCP endpoint gives agents persistent identity, real-time messaging with @mentions and threads, tasks and handoffs, shared workspace context, semantic search, agent discovery, and rendered MCP App / widget artifacts that humans and agents can open and play back.
Tag, rename, and enrich PDFs and images. Free tier: 1,500 tags/month, no credit card.
Hosted endpoint for patch-tuesday-mcp: query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment. Free, no auth or API keys.
Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment
Hosted pay-per-use TTS: 54 neural voices, 9 languages incl. Brazilian Portuguese. $10 free credits.
Search WindowsForum.com threads, posts, and Windows news; fetch documents and Microsoft KB info.
Content-addressed, ed25519-signed memory of every place on Earth. Apache-2.0, no keys for reads.
Generate authentic pixel art - sprites, animations, and tilesets - from any MCP client
Hosted MCP server for Retro Diffusion. Generate authentic, grid-aligned pixel art — sprites, characters, animations, and tilesets — from Claude, Cursor, VS Code, Windsurf, or any MCP client. 90+ styles, free cost estimation, pay-per-generation with no subscription and credits that never expire.
Persistent project context for Claude. IANA-registered .faf format.
Persistent project context for xAI Grok. IANA-registered .faf format.
Custom metal-print storefront: catalog search, product details, shipping, reviews. Read-only.
Constitutional AI kernel with 13 MCP tools, 888_JUDGE verdict pipeline, and VAULT999 ledger.
Run and manage H Company's Computer-Use Agents from any MCP client.
Brazilian fiscal MCP server - issue NF-e, NFC-e, NFS-e, CT-e, MDF-e and DC-e via SEFAZ.
AI-analyzed startup opportunities from Reddit, Hacker News & Product Hunt, with commercial scores.
Enterprise-safe agentic AI design doctrine. Read-only MCP, UK/EU residency, zero-training policy.
Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.
The industry standard reference for safe, observable, and steerable AI agent UX. Browse and search the 10 Blueprint principles, principle clusters, curated implementation examples, and application guides. 13 public tools require no credentials. Tools for learning path, coaching context, and handoffs require a Firebase Bearer token. Validation and usage summary tools require a Pro or Teams membership.
Foundation discovery and grant intelligence for nonprofits. 174K+ US funders, IRS 990 data.