these 2 derivations will be built: /nix/store/gcbpyj05b4cxyxcn0h22xiq2565pf5y6-spec-kit-1.2.5.drv /nix/store/p98r3hv9wrbidyjw6d8nq4ny5ar30h8w-check-spec-kit.drv these 2 paths will be fetched (961.0 KiB download, 5.1 MiB unpacked): /nix/store/wzdi5fc1d9fab57xyzihxhk6ymyc6p8n-python3.14-mcp-2.3.0 /nix/store/v58gywdyn9a1ad3mhpwk8pvyxmhi0cw8-python3.14-mcp-types-2.3.0