"Servers that support Server-Sent Events (SSE)" matching MCP connectors:

Persistent project context — Rust-native MCP server. IANA-registered .faf format.

STRING Database MCP ServerA

org.string-db

Query STRING interactions, enrichment, annotations, homology, and PPI networks.

SupplyGraph.AI MCP server for supply-chain intelligence and China business data. Tools include company search, tariff calculation, enterprise-change monitoring, risk prediction, POIs, industrial parks, regional indicators, industry-chain enterprises, company registry data, and nearby location insights.

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.

fiscalA

br.com.brasilnfe

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

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