nexusfix
Installation
SKILL.md
NexusFIX Development Expert
When to Use
When the user needs to build, optimize, or debug FIX protocol connectivity in C++. Covers session management, order entry, market data, and low-latency message parsing.
Architecture
NexusFIX is a header-only C++23 FIX protocol engine. Parse latency is under 250ns for ExecutionReport messages. Throughput exceeds 4M msg/sec single-threaded.
Key design decisions: