"How to request a remote API using an OpenAPI document" matching MCP connectors:

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.

FastMCP server for posting formatted content to X (Twitter) — Tollbooth-monetized, DPYC-native

Run and manage H Company's Computer-Use Agents from any MCP client.

Hosted pay-per-use TTS: 54 neural voices, 9 languages incl. Brazilian Portuguese. $10 free credits.

Custom metal-print storefront: catalog search, product details, shipping, reviews. Read-only.

Brazilian fiscal MCP server - issue NF-e, NFC-e, NFS-e, CT-e, MDF-e and DC-e via SEFAZ.

500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.

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.

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

Live market data, signals, positions, and macro analysis for crypto, KR stocks, and US stocks.

Generate hyper-personalized cold email sequences via MachFive API.

MCP server that delivers up-to-date Bitrix24 REST API documentation.