"Updated documentation for LangChain, Langraph, Node.js, Express, and FastAI frameworks" matching MCP connectors:

Official OmniSocials MCP server — schedule and publish posts, stories, and reels across 11 platforms (Instagram, Facebook, LinkedIn, YouTube, TikTok, X, Pinterest, Bluesky, Threads, Mastodon, Google Business), plus media, analytics, hashtag sets, inbox, and webhooks.

Serves your design system and coding standards to coding agents, so they stop guessing.

The OpenRouter MCP server plugs OpenRouter into the AI tools you already use. Once connected, your assistant can pull live OpenRouter data (models, prices, your credits, rankings, and docs) and send quick test messages, all without leaving your editor.

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Search and review real KiCad and Altium PCB designs: schematics, BOMs, netlists, DRC/ERC.

Log what you ate by talking to your AI assistant — calories and macros, completely free.

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Ask about the accessibility of websites in your own Inclusify account: what is failing, where it lives in your source, and whether the fix you just wrote actually works. Reads real scan data for your sites rather than giving generic WCAG advice, and can check a live page for keyboard traps, screen-reader reading order, forced colours and 400% zoom. OAuth sign-in, no API key to paste. Requires an Inclusify account.

Helena Bioinformatics MCP for clinical variant interpretation, ACMG/AMP evidence and literature.

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.

We buy from x402 endpoints with real USDC and publish delivery outcomes. Check before you spend.

Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.

Cite and independently verify Bitcoin-anchored construction-estimate audit records.

Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits

Live censorship, China economic, and tamper-evident AI evaluation tools with bounded analysis.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.