Posts tagged "open-source" | Why Is This Down?

When Your LLM Won't Stop Talking: Rate Limiting in MCP Hangar

April 12, 2026 · 7 min read

Your agent just fired 1,200 requests in ninety seconds. MCP Hangar's dual rate limiting — token bucket on the command bus, exponential backoff on auth — puts a ceiling on runaway tool calls.

mcpmcp-hangarsecurityobservabilityarchitectureopen-source

Benchmarking MCP Tool Calls: Three Findings That Aren't 'Parallel Is Faster'

February 9, 2026 · 7 min read

5,300 measurements, 6 scenarios. The headline is 19.6× speedup — the real findings are that stdio isn't serial, framework overhead is zero, and a hardcoded constant was capping your throughput.

mcpbenchmarksperformancemcp-hangarconcurrencyopen-source