With https://github.com/galaxyproject/planemo/pull/1190 its possible to detect tools that write to Galaxy's files directory. I'm running this on IUC here: https://github.com/bernt-matthias/tools-iuc/runs/3721212988?check_suite_focus=true See also discussion in https://github.com/galaxyproject/tools-iuc/pull/3986#issuecomment-926729276 Here is a list of tools (from an earlier run of the CI workflow) that create at least one extra file: - [ ] emboss .dat.1.png - [ ] bacteria_tradis .dat.bwt ... - [ ] barrnap .dat.fai https://github.com/galaxyproject/tools-iuc/pull/4104 - [ ] commet .dat_multi_k31_s4.h5 - [ ] crossmap_* .dat.fai .unmap https://github.com/galaxyproject/tools-iuc/pull/4126 - [ ] delly_* .dat.fai - [ ] discosnp_pp .dat_multi_k31_s4.h5 - [ ] fermikit https://github.com/galaxyproject/tools-iuc/pull/4105 - fermi2 .dat.fai - fermikit_variants .dat.fai - [ ] hyphy_* .dat.fit.bf - [ ] irissv .dat.bai https://github.com/galaxyproject/tools-iuc/pull/4642 `1.0.4+galaxy2` - [ ] kissplice .dat_multi_k31_s4.h5 - [ ] lordec .dat_multi_k31_s4.h5 - [ ] mapsembler2 .dat_multi_k31_s4.h5 - [ ] medaka_* .dat.fai ... - [ ] nanocompore_* .dat.fai - [ ] picard_* .dat.bai - [ ] progressivemauve .dat.backbone - [ ] pyega3 .dat.md5 - [ ] stringtie* .dat.bak - [ ] takeabreak .dat_multi_k31_s4.h5 - [ ] tetyper .dat.nto ... https://github.com/galaxyproject/tools-iuc/pull/4107 - [ ] tradis_* .dat.bwt .. https://github.com/galaxyproject/tools-iuc/pull/4103 - [ ] xmfa2gff3 .dat.backbone I hope that the PR is accepted soon. Then it will also run for PRs. Put your name / PR number next to the entries if you are working on one of the tools above.