diff --git a/.github/workflows/generate_pr_from_issue.yaml b/.github/workflows/generate_pr_from_issue.yaml
index a80444d96..57e20055f 100644
--- a/.github/workflows/generate_pr_from_issue.yaml
+++ b/.github/workflows/generate_pr_from_issue.yaml
@@ -15,8 +15,8 @@ jobs:
     - name: setup go
       uses: actions/setup-go@v4
       with:
-        go-version-file: 'tool/articlegen/go.mod'
-        cache-dependency-path: 'tool/articlegen/go.sum'
+        go-version-file: 'tool/go.mod'
+        cache-dependency-path: 'tool/go.sum'
     - name: install articlegen
       run: |
         cd ./tool/articlegen
diff --git a/.github/workflows/go-tools.yml b/.github/workflows/go-tools.yml
index e6fad30e5..f2082aae1 100644
--- a/.github/workflows/go-tools.yml
+++ b/.github/workflows/go-tools.yml
@@ -18,10 +18,10 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version-file: 'tool/articlegen/go.mod'
-          cache-dependency-path: 'tool/articlegen/go.sum'
+          go-version-file: 'tool/go.mod'
+          cache-dependency-path: 'tool/go.sum'
       - name: Build
-        run: pushd ./tool/articlegen && go build -v
+        run: go build -v -C ./tool/articlegen
   ci-makepr:
     runs-on: ubuntu-latest
     steps:
@@ -29,10 +29,10 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version-file: 'tool/makepr/go.mod'
-          cache-dependency-path: 'tool/makepr/go.sum'
+          go-version-file: 'tool/go.mod'
+          cache-dependency-path: 'tool/go.sum'
       - name: Build
-        run: pushd ./tool/makepr && go build -v
+        run: go build -v -C ./tool/makepr
   ci-sincelastcommit:
     runs-on: ubuntu-latest
     steps:
@@ -40,8 +40,8 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version-file: 'tool/sincelastcommit/go.mod'
-          cache-dependency-path: 'tool/sincelastcommit/go.sum'
+          go-version-file: 'tool/go.mod'
+          cache-dependency-path: 'tool/go.sum'
       - name: Build
-        run: pushd ./tool/makepr && go build -v
+        run: go build -v -C ./tool/makepr
 
diff --git a/.github/workflows/notify_long_time_no_see.yaml b/.github/workflows/notify_long_time_no_see.yaml
index e8c2cf16b..9ddd93c97 100644
--- a/.github/workflows/notify_long_time_no_see.yaml
+++ b/.github/workflows/notify_long_time_no_see.yaml
@@ -24,12 +24,10 @@ jobs:
     - name: setup go
       uses: actions/setup-go@v4
       with:
-        go-version-file: 'tool/sincelastcommit/go.mod'
-        cache-dependency-path: 'tool/sincelastcommit/go.sum'
+        go-version-file: 'tool/go.mod'
+        cache-dependency-path: 'tool/go.sum'
     - name: install sincelastcommit
-      run: |
-        cd ./tool/sincelastcommit
-        go install .
+      run: go install -C ./tool/sincelastcommit
     - name: Logging the collection items are actually head
       run: |
         cd tmp/head
diff --git a/tool/articlegen/go.mod b/tool/articlegen/go.mod
deleted file mode 100644
index b1ae380eb..000000000
--- a/tool/articlegen/go.mod
+++ /dev/null
@@ -1,17 +0,0 @@
-module github.com/pankona/pankona.github.com/tool/articlegen
-
-go 1.20
-
-require (
-	github.com/google/go-github/v33 v33.0.0
-	golang.org/x/oauth2 v0.10.0
-)
-
-require (
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/go-querystring v1.0.0 // indirect
-	golang.org/x/crypto v0.11.0 // indirect
-	golang.org/x/net v0.12.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
-)
diff --git a/tool/makepr/go.mod b/tool/go.mod
similarity index 86%
rename from tool/makepr/go.mod
rename to tool/go.mod
index 29f1212b1..e3997edaf 100644
--- a/tool/makepr/go.mod
+++ b/tool/go.mod
@@ -1,4 +1,4 @@
-module github.com/pankona/pankona.github.com/tool/makepr
+module github.com/pankona/pankona.github.com/tool
 
 go 1.20
 
diff --git a/tool/articlegen/go.sum b/tool/go.sum
similarity index 100%
rename from tool/articlegen/go.sum
rename to tool/go.sum
diff --git a/tool/makepr/go.sum b/tool/makepr/go.sum
deleted file mode 100644
index 592be4f02..000000000
--- a/tool/makepr/go.sum
+++ /dev/null
@@ -1,33 +0,0 @@
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-github/v33 v33.0.0 h1:qAf9yP0qc54ufQxzwv+u9H0tiVOnPJxo0lI/JXqw3ZM=
-github.com/google/go-github/v33 v33.0.0/go.mod h1:GMdDnVZY/2TsWgp/lkYnpSAh6TrzhANBBwm6k6TTEXg=
-github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
-github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
-golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
-golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.10.0 h1:zHCpF2Khkwy4mMB4bv0U37YtJdTGW8jI0glAApi0Kh8=
-golang.org/x/oauth2 v0.10.0/go.mod h1:kTpgurOux7LqtuxjuyZa4Gj2gdezIt/jQtGnNFfypQI=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
-google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
diff --git a/tool/sincelastcommit/.gitignore b/tool/sincelastcommit/.gitignore
new file mode 100644
index 000000000..8de39f7a6
--- /dev/null
+++ b/tool/sincelastcommit/.gitignore
@@ -0,0 +1 @@
+sincelastcommit
diff --git a/tool/sincelastcommit/go.mod b/tool/sincelastcommit/go.mod
deleted file mode 100644
index b283ca5a0..000000000
--- a/tool/sincelastcommit/go.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module github.com/pankona/pankona.github.com/tool/sincelastcommit
-
-go 1.20
diff --git a/tool/sincelastcommit/go.sum b/tool/sincelastcommit/go.sum
deleted file mode 100644
index e69de29bb..000000000