Comparison

FIXSIM vs Goose

Goose has more GitHub stars (55,297 vs 0). Goose was updated more recently (last commit 6h ago). Data comes straight from GitHub and refreshes daily.

Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.

$claude mcp add --transport http fixsim https://mcp.fixsim.com/mcp

An open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

$git clone https://github.com/aaif-goose/goose