diff --git a/janis_bioinformatics/__meta__.py b/janis_bioinformatics/__meta__.py
index 626494ab..b0ad6133 100644
--- a/janis_bioinformatics/__meta__.py
+++ b/janis_bioinformatics/__meta__.py
@@ -1,2 +1,2 @@
-__version__ = "v0.12.1"
+__version__ = "v0.12.2"
 description = "Bioinformatics tools for Janis; the Pipeline creation helper"
diff --git a/janis_bioinformatics/tools/pmac/molpathTumorOnlyWorkflow.py b/janis_bioinformatics/tools/pmac/molpathTumorOnlyWorkflow.py
new file mode 100644
index 00000000..824320f4
--- /dev/null
+++ b/janis_bioinformatics/tools/pmac/molpathTumorOnlyWorkflow.py
@@ -0,0 +1,340 @@
+from datetime import datetime
+
+from janis_core import (
+    File,
+    String,
+    Array,
+    InputSelector,
+    WorkflowMetadata,
+    ScatterDescription,
+    ScatterMethods,
+    InputDocumentation,
+    InputQualityType,
+    Int,
+)
+from janis_unix.data_types import TextFile
+from janis_unix.tools import UncompressArchive
+from janis_bioinformatics.data_types import (
+    FastaWithDict,
+    VcfTabix,
+    FastqGzPair,
+    Bed,
+    Bam,
+    BamBai,
+)
+from janis_bioinformatics.tools.bioinformaticstoolbase import BioinformaticsWorkflow
+from janis_bioinformatics.tools.babrahambioinformatics import FastQC_0_11_5
+from janis_bioinformatics.tools.bcftools import BcfToolsSort_1_9
+from janis_bioinformatics.tools.common import (
+    BwaAligner,
+    MergeAndMarkBams_4_1_3,
+    GATKBaseRecalBQSRWorkflow_4_1_3,
+    SplitMultiAlleleNormaliseVcf,
+)
+from janis_bioinformatics.tools.gatk4 import Gatk4HaplotypeCaller_4_1_3
+from janis_bioinformatics.tools.htslib import BGZip_1_9, TabixLatest
+from janis_bioinformatics.tools.papenfuss import Gridss_2_6_2
+from janis_bioinformatics.tools.pmac import (
+    ParseFastqcAdaptors,
+    AnnotateDepthOfCoverage_0_1_0,
+    PerformanceSummaryTargeted_0_1_0,
+    CombineVariants_0_0_8,
+    AddBamStatsGermline_0_1_0,
+)
+from janis_bioinformatics.tools.variantcallers import (
+    GatkSomaticVariantCallerTumorOnlyTargeted,
+)
+from janis_bioinformatics.tools.vcflib import VcfLength_1_0_1, VcfFilter_1_0_1
+from janis_bioinformatics.tools.igvtools import IgvIndexFeature_2_5_3
+
+# from janis_molpath.tools.pathos import NormaliseVcf_1_5_4, Vcf2Tsv_1_5_4
+# from janis_molpath.tools.scripts.postgridss import GRIDSSProcessOutput
+
+
+class MolpathTumorOnly_1_0_0(BioinformaticsWorkflow):
+    def id(self):
+        return "MolpathTumorOnlyWorkflow"
+
+    def friendly_name(self):
+        return "Molpath Tumor Only Workflow"
+
+    def tool_provider(self):
+        return "Peter MacCallum Cancer Centre"
+
+    def bind_metadata(self):
+        return WorkflowMetadata(
+            version="v1.0.0",
+            contributors=["Jiaan Yu"],
+            dateCreated=datetime(2020, 6, 12),
+            dateUpdated=datetime(2020, 8, 10),
+        )
+
+    def constructor(self):
+
+        # Inputs
+        self.input("sample_name", String)
+        self.input("fastqs", Array(FastqGzPair))
+        self.input("seqrun", String, doc="SeqRun Name (for Vcf2Tsv)")
+        self.input("reference", FastaWithDict)
+        self.input("region_bed", Bed)
+        self.input("region_bed_extended", Bed)
+        self.input("region_bed_annotated", Bed)
+        self.input("genecoverage_bed", Bed)
+        self.input("genome_file", TextFile)
+        self.input("panel_name", String)
+        self.input("vcfcols", TextFile)
+        self.input("black_list", Bed(optional=True))
+        self.input("snps_dbsnp", VcfTabix)
+        self.input("snps_1000gp", VcfTabix)
+        self.input("known_indels", VcfTabix)
+        self.input("mills_indels", VcfTabix)
+        self.input("mutalyzer_server", String)
+        self.input("pathos_db", String)
+        self.input("maxRecordsInRam", Int)
+        # tumor only
+        self.input("gnomad", VcfTabix)
+        self.input("panel_of_normals", VcfTabix(optional=True))
+
+        # fastqc
+        self.step(
+            "fastqc", FastQC_0_11_5(reads=self.fastqs, threads=4), scatter="reads"
+        )
+        # get the overrepresentative sequence from fastqc
+        self.step(
+            "getfastqc_adapters",
+            ParseFastqcAdaptors(fastqc_datafiles=self.fastqc.datafile,),
+            scatter="fastqc_datafiles",
+        )
+        # align and generate sorted index bam
+        self.step(
+            "align_and_sort",
+            BwaAligner(
+                fastq=self.fastqs,
+                reference=self.reference,
+                sample_name=self.sample_name,
+                sortsam_tmpDir=".",
+                cutadapt_adapter=self.getfastqc_adapters,
+                cutadapt_removeMiddle3Adapter=self.getfastqc_adapters,
+            ),
+            scatter=["fastq", "cutadapt_adapter", "cutadapt_removeMiddle3Adapter"],
+        )
+        # merge into one bam and markdups
+        self.step(
+            "merge_and_mark",
+            MergeAndMarkBams_4_1_3(
+                bams=self.align_and_sort.out,
+                sampleName=self.sample_name,
+                maxRecordsInRam=self.maxRecordsInRam,
+            ),
+        )
+        # performance: doc
+        self.step(
+            "annotate_doc",
+            AnnotateDepthOfCoverage_0_1_0(
+                bam=self.merge_and_mark.out,
+                bed=self.region_bed_annotated,
+                reference=self.reference,
+                sample_name=self.sample_name,
+            ),
+        )
+
+        # performance
+        self.step(
+            "performance_summary",
+            PerformanceSummaryTargeted_0_1_0(
+                bam=self.merge_and_mark.out,
+                region_bed=self.region_bed,
+                genecoverage_bed=self.genecoverage_bed,
+                sample_name=self.sample_name,
+                genome_file=self.genome_file,
+            ),
+        )
+        # gridss
+        self.step(
+            "gridss",
+            Gridss_2_6_2(
+                bams=self.merge_and_mark.out,
+                reference=self.reference,
+                blacklist=self.black_list,
+                tmpdir=".",
+            ),
+        )
+        # post gridss r for tumor only + tumor only mode
+        # self.step("gridss_post_r", GRIDSSProcessOutput(inp=self.gridss.out))
+        # gatk bqsr bam
+        self.step(
+            "bqsr",
+            GATKBaseRecalBQSRWorkflow_4_1_3(
+                bam=self.merge_and_mark.out,
+                intervals=self.region_bed_extended,
+                reference=self.reference,
+                snps_dbsnp=self.snps_dbsnp,
+                snps_1000gp=self.snps_1000gp,
+                known_indels=self.known_indels,
+                mills_indels=self.mills_indels,
+            ),
+        )
+        # mutect2
+        self.step(
+            "mutect2",
+            GatkSomaticVariantCallerTumorOnlyTargeted(
+                bam=self.bqsr.out,
+                intervals=self.region_bed_extended,
+                reference=self.reference,
+                gnomad=self.gnomad,
+                panel_of_normals=self.panel_of_normals,
+            ),
+        )
+        # haplotypecaller to do: take base recal away from the
+        self.step(
+            "haplotype_caller",
+            Gatk4HaplotypeCaller_4_1_3(
+                inputRead=self.bqsr.out,
+                intervals=self.region_bed_extended,
+                reference=self.reference,
+                dbsnp=self.snps_dbsnp,
+                pairHmmImplementation="LOGLESS_CACHING",
+            ),
+        )
+        self.step(
+            "splitnormalisevcf",
+            SplitMultiAlleleNormaliseVcf(
+                compressedVcf=self.haplotype_caller.out, reference=self.reference
+            ),
+        )
+        # combine variants
+        self.step(
+            "combinevariants",
+            CombineVariants_0_0_8(
+                vcfs=[self.splitnormalisevcf.out, self.mutect2.out],
+                type="germline",
+                columns=["AD", "DP", "AF", "GT"],
+            ),
+        )
+        self.step("compressvcf", BGZip_1_9(file=self.combinevariants.out))
+        self.step("sortvcf", BcfToolsSort_1_9(vcf=self.compressvcf.out))
+        self.step("uncompressvcf", UncompressArchive(file=self.sortvcf.out, force=True))
+        # addbamstats
+        self.step(
+            "addbamstats",
+            AddBamStatsGermline_0_1_0(
+                bam=self.merge_and_mark.out,
+                vcf=self.uncompressvcf.out,
+                reference=self.reference,
+            ),
+        )
+        # Molpath specific processes
+        self.step("compressvcf2", BGZip_1_9(file=self.addbamstats.out))
+        self.step("tabixvcf", TabixLatest(inp=self.compressvcf2.out))
+        self.step(
+            "calculate_variant_length",
+            VcfLength_1_0_1(vcf=self.tabixvcf.out),
+            doc="Add the length column for the output of AddBamStats",
+        )
+
+        filter_for_variants = self.input("filter_for_vcfs", str, default="length > 150")
+        self.step(
+            "filter_variants_1_failed",
+            VcfFilter_1_0_1(
+                vcf=self.calculate_variant_length.out, info_filter=filter_for_variants
+            ),
+        )
+        self.step(
+            "filter_variants_1",
+            VcfFilter_1_0_1(
+                vcf=self.calculate_variant_length.out,
+                info_filter=filter_for_variants,
+                invert=True,  # -v param
+            ),
+        )
+
+        # Jiaan: copy over from the FRCP, can take the block comment out
+        # # This one is the in-house molpath step
+        # self.step(
+        #     "normalise_vcfs",
+        #     NormaliseVcf_1_5_4(
+        #         pathos_version=self.pathos_db,
+        #         mutalyzer=self.mutalyzer_server,  # mutalyzer="https://vmpr-res-mutalyzer1.unix.petermac.org.au",
+        #         rdb=self.pathos_db,  # rdb="pa_uat",
+        #         inp=self.filter_variants_1.out,
+        #     ),
+        # )
+
+        # # repeat remove 150bp variants (workaround for normalise_vcf bug)
+        # self.step(
+        #     "filter_variants_2_failed",
+        #     VcfFilter_1_0_1(
+        #         vcf=self.normalise_vcfs.out, info_filter=filter_for_variants
+        #     ),
+        # )
+        # self.step(
+        #     "filter_variants_2",
+        #     VcfFilter_1_0_1(
+        #         vcf=self.normalise_vcfs.out,
+        #         info_filter=filter_for_variants,
+        #         invert=True,  # -v param
+        #     ),
+        # )
+
+        # self.step(
+        #     "convert_to_tsv",
+        #     Vcf2Tsv_1_5_4(
+        #         pathos_version=self.pathos_db,
+        #         inp=self.filter_variants_2.out,
+        #         sample=self.sample_name,
+        #         columns=self.vcfcols,
+        #         seqrun=self.seqrun,
+        #     ),
+        # )
+
+        # self.step(
+        #     "index_with_igvtools", IgvIndexFeature_2_5_3(inp=self.filter_variants_2.out)
+        # )
+
+        # output
+        self.output("fastq_qc", source=self.fastqc.out, output_folder="QC")
+
+        self.output("markdups_bam", source=self.merge_and_mark.out, output_folder="BAM")
+
+        self.output(
+            "doc_out", source=self.annotate_doc.out, output_folder="PERFORMANCE"
+        )
+        self.output(
+            "summary", source=self.performance_summary.out, output_folder="PERFORMANCE"
+        )
+        self.output(
+            "gene_summary",
+            source=self.performance_summary.geneFileOut,
+            output_folder="PERFORMANCE",
+        )
+        self.output(
+            "region_summary",
+            source=self.performance_summary.regionFileOut,
+            output_folder="PERFORMANCE",
+        )
+
+        self.output("gridss_vcf", source=self.gridss.out, output_folder="SV")
+        self.output("gridss_bam", source=self.gridss.assembly, output_folder="SV")
+
+        self.output(
+            "haplotypecaller_vcf",
+            source=self.haplotype_caller.out,
+            output_folder="VCF",
+        )
+        self.output(
+            "haplotypecaller_bam",
+            source=self.haplotype_caller.bam,
+            output_folder="VCF",
+        )
+        self.output(
+            "haplotypecaller_norm",
+            source=self.splitnormalisevcf.out,
+            output_folder="VCF",
+        )
+        self.output("mutect2_vcf", source=self.mutect2.variants, output_folder="VCF")
+        self.output("mutect2_bam", source=self.mutect2.out_bam, output_folder="VCF")
+        self.output("mutect2_norm", source=self.mutect2.out, output_folder="VCF")
+        self.output("addbamstats_vcf", source=self.addbamstats.out)
+        # what more output to save?
+        # self.output("final_vcf", source=self.filter_variants_2.out)
+        # self.output("tsv", source=self.convert_to_tsv.out)
diff --git a/janis_bioinformatics/tools/pmac/performancesummary/base.py b/janis_bioinformatics/tools/pmac/performancesummary/base.py
index 9f4bec77..373f3924 100644
--- a/janis_bioinformatics/tools/pmac/performancesummary/base.py
+++ b/janis_bioinformatics/tools/pmac/performancesummary/base.py
@@ -46,7 +46,7 @@ def inputs(self):
             ),
             ToolInput(
                 "outputPrefix",
-                Filename(extension=".csv"),
+                Filename(),
                 prefix="-o",
                 doc="prefix of output summary csv",
             ),
diff --git a/janis_bioinformatics/tools/variantcallers/gatk/gatkgermline_variants_4_1_3.py b/janis_bioinformatics/tools/variantcallers/gatk/gatkgermline_variants_4_1_3.py
index 3e45bebe..37467c1a 100644
--- a/janis_bioinformatics/tools/variantcallers/gatk/gatkgermline_variants_4_1_3.py
+++ b/janis_bioinformatics/tools/variantcallers/gatk/gatkgermline_variants_4_1_3.py
@@ -63,7 +63,7 @@ def constructor(self):
                 pairHmmImplementation="LOGLESS_CACHING",
             ),
         )
-        self.step("uncompressvcf", UncompressArchive(file=self.haplotype_caller.out))
+        self.step("uncompressvcf", UncompressArchive(file=self.haplotype_caller.out, force=True))
         self.step(
             "splitnormalisevcf",
             SplitMultiAllele(
diff --git a/janis_bioinformatics/tools/variantcallers/gatk/gatksomatic_variants_4_1_3.py b/janis_bioinformatics/tools/variantcallers/gatk/gatksomatic_variants_4_1_3.py
index 4d8d48cb..6f8c6fdb 100644
--- a/janis_bioinformatics/tools/variantcallers/gatk/gatksomatic_variants_4_1_3.py
+++ b/janis_bioinformatics/tools/variantcallers/gatk/gatksomatic_variants_4_1_3.py
@@ -98,7 +98,13 @@ def constructor(self):
         )
 
         # normalise and filter "PASS" variants
-        self.step("uncompressvcf", UncompressArchive(file=self.filtermutect2calls.out))
+        self.step(
+            "uncompressvcf", 
+            UncompressArchive(
+                file=self.filtermutect2calls.out,
+                force=True
+            )
+        )
         self.step(
             "splitnormalisevcf",
             SplitMultiAllele(