Mcp Server vs Sdk

Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.

Compare
M
Mcp Server
Correctover
🔗 Aggregators
S
Sdk
2s-io
🔗 Aggregators
SummaryContract validation and self-healing failover for LLM APIs. 6-dimension verification (structure, schema, latency, cost, identity, integrity) in 22μs P50. 87 self-healing rules with MAPE-K autonomic loop. BYOK direct connect to 9 providers (OpenAI, Anthropic, DeepSeek, Moonshot, Zhipu AI, Qwen, SiliconFlow, Groq, Together AI). L3 failover in 949ms E2E. Install: npx -y correctover-mcp-server.Unified API for AI agents — 180+ tools across geocoding, weather (NWS), climate stations (NOAA), earthquakes (USGS), tides (NOAA), points of interest (OpenStreetMap), patents (USPTO ODP), US case law (CourtListener / Free Law Project), Federal Register, Wikipedia, scientific papers (arXiv / PubMed / Semantic Scholar), AI summarize / translate / extract / screenshot / image-describe, image compression, DNS / WHOIS, crypto address-validate + EVM gas oracle, OFAC sanctions screening, US Census ACS demographics, airport / ZIP lookup. Sub-cent to a few cents per call in USDC on Base via x402 — no API keys, no signup. npx -y @2sio/mcp
Quality signal25/100 (Emerging)28/100 (Emerging)
Install pathnpx · highnpx · high
Engagement 2 0 0 3 0 0 6
ToolsNot listed yetNot listed yet
Verified / officialNoNo
Open listingView Mcp ServerView Sdk
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