diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9f88352..649e7d0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,6 +3,8 @@ name: Test the Action
 on:
   push:
     branches: ["main"]
+  pull_request:
+    branches: ["main"]
 
 jobs:
   test-rsmetacheck:
@@ -16,7 +18,6 @@ jobs:
         # defined in the root of the CURRENT repository.
         uses: ./
         with:
-          input: "https://github.com/${{ github.repository }}"
           verbose: "true"
 
       - name: Verify outputs generated
diff --git a/README.md b/README.md
index 6c02498..7d9f9b3 100644
--- a/README.md
+++ b/README.md
@@ -21,14 +21,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run RsMetaCheck
-        uses: your-github-username/rsmetacheck-action@v1
+        uses: SoftwareUnderstanding/rs-metacheck-action@0.3.1
+        # optional arguments
         with:
-          # You can pass the repository URL automatically
-          input: "https://github.com/${{ github.repository }}"
-          pitfalls_output: "./pitfalls_outputs"
+          input: https://github.com/$GITHUB_REPOSITORY # if input is omited it will use GITHUB_REPOSITORY url
+          pitfalls_output: "./pitfalls_outputs" 
           verbose: "false"
 ```
 
@@ -45,6 +45,7 @@ jobs:
 | `branch`            | Branch of the repository to analyze.                                   | No       |                           |
 | `generate_codemeta` | Generate codemeta files for each repository.                           | No       | `false`                   |
 | `verbose`           | Include both detected AND undetected pitfalls in the output JSON-LD.   | No       | `false`                   |
+| `config`           | Specify the location of the `rsmetacheck.toml` to define the configuration. RSMetaCheck automatically detects a .rsmetacheck.toml (or rsmetacheck.toml) file at the working directory. | No       | `rsmetacheck.toml` |
 
 ### Outputs
 
diff --git a/action.yml b/action.yml
index 8368e23..a7aa167 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,8 @@ branding:
 inputs:
   input:
     description: 'One or more: GitHub/GitLab URLs, JSON files containing repositories. (e.g. "https://github.com/owner/repo")'
-    required: true
+    required: false
+    default: "https://github.com/${GITHUB_REPOSITORY}"
   skip_somef:
     description: "Skip SoMEF execution and analyze existing SoMEF output files directly."
     required: false
diff --git a/entrypoint.sh b/entrypoint.sh
index 7ba7f32..aaf7744 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -9,7 +9,7 @@ if [ -n "$INPUT_INPUT" ]; then
   # Note: Do not quote $INPUT_INPUT here in case multiple URLs are passed as spaces
   CMD="$CMD --input $INPUT_INPUT"
 else
-  echo "Error: The 'input' argument is required."
+  echo "Error: The 'input' argument is required and $GITHUB_REPOSITORY environment variable is not set. Please provide an input or run this action within a GitHub repository context."
   exit 1
 fi