Analysis of 2,181 Remote MCP Server Endpoints Shows Reliability Issues

A recent analysis of 2,181 remote-capable MCP server endpoints reveals significant reliability issues across the ecosystem. The automated health checks were conducted against servers from the official registry, mcp.so, PulseMCP, and Smithery.
Key Findings
- 52% of endpoints are completely dead (timeout, connection refused, 404)
- 37% respond but require authentication (401/403)
- 9% are confirmed up and healthy
- 1.5% are degraded (slow or intermittent errors)
- Among live servers, 516 maintain 99%+ uptime
- 58% of servers with GitHub repos haven't had a commit in 30 days
Category Breakdown
- Dev-tools has the most servers (1,238)
- Finance servers have the worst average latency (2,558ms)
- Security servers have the lowest average uptime at 27%
Fastest Servers Found
- GitHub MCP: 101ms
- Timescale pg-aiguide: 104ms
- Supabase: 109ms
The full dataset is available for further analysis, and the author is open to questions about methodology or specific servers.
📖 Read the full source: r/LocalLLaMA
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