"A server for building out n8n from scratch" matching MCP connectors:

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.

MCP server for generating rough-draft project plans from natural-language prompts.

IBGE: geography, census, economy and health from the official APIs, with provenance. 21 tools.

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

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

Check internet providers, plans, speeds, and known pricing at a specific U.S. street address.

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

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Should you be trading Bitcoin right now? Three independent sensors read pre-price data (fee curves, funding velocity, whale flows, absence) every 30s and reject almost everything — when they converge, a directional call is emitted with evidence. The data can't be reconstructed from history. Public track record an agent can audit in one call. Free tier, no card; Pro $50/mo, or pay-as-you-go at $0.01/query via x402 (USDC on Base and Solana, capped at $50 per 30 days then converts to Pro). Free key: https://brs-signals.com/signup?ref=glama

Shared, governed long-term memory for AI agents across tools and sessions via MCP and REST.

Measured design systems decoded from 588 real products, for coding agents.

Get recommended by Amazon's AI. Hosted MCP server for Amazon listing compliance & generation.

Accessibility and WCAG data for your own websites: fix lists, live checks, and fix validation.

Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.

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

Goal decomposition where every "done" is proven by evidence and checked by a judge.

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.