diff --git a/lib/data-processing/generateMarkdown.ts b/lib/data-processing/generateMarkdown.ts
index ede92fef..6ffd857f 100644
--- a/lib/data-processing/generateMarkdown.ts
+++ b/lib/data-processing/generateMarkdown.ts
@@ -178,6 +178,33 @@ export async function generateMarkdown(
   markdown +=
     "- 💎 Incredible Comments: Exceptional participation with high-quality content\n\n"
 
+  // Generate Point Source Breakdown
+  markdown += "## Point Source Breakdown\n\n"
+  markdown +=
+    "This table shows where each contributor's weekly score comes from:\n\n"
+  markdown +=
+    "| Contributor | PR Points | Review Points | Discussion Points | Total Score | PR % | Review % | Discussion % |\n"
+  markdown +=
+    "|-------------|-----------|---------------|-------------------|-------------|------|----------|-------------|\n"
+
+  // Sort by total score
+  const sortedForBreakdown = Object.entries(contributorScores).sort(
+    (a, b) => b[1].score - a[1].score,
+  )
+
+  for (const [contributor, effort] of sortedForBreakdown) {
+    const total = effort.score || 0
+    const prPct =
+      total > 0 ? ((effort.prPoints / total) * 100).toFixed(1) : "0.0"
+    const reviewPct =
+      total > 0 ? ((effort.reviewPoints / total) * 100).toFixed(1) : "0.0"
+    const discussionPct =
+      total > 0 ? ((effort.discussionPoints / total) * 100).toFixed(1) : "0.0"
+
+    markdown += `| [${contributor}](#${contributor.replace(/\s/g, "-")}) | ${effort.prPoints} | ${effort.reviewPoints} | ${effort.discussionPoints} | ${total} | ${prPct}% | ${reviewPct}% | ${discussionPct}% |\n`
+  }
+  markdown += "\n"
+
   // Generate Review Table
   markdown += "## Review Table\n\n"
 
diff --git a/lib/scoring/getContributorScore.ts b/lib/scoring/getContributorScore.ts
index d0825cb5..f11e9e27 100644
--- a/lib/scoring/getContributorScore.ts
+++ b/lib/scoring/getContributorScore.ts
@@ -23,6 +23,11 @@ export interface ContributorScore {
   rating5Count: number
 
   score: number
+
+  // Point source breakdown
+  prPoints: number
+  reviewPoints: number
+  discussionPoints: number
 }
 
 /**
@@ -48,6 +53,9 @@ export function getContributorScore({
     rating3Count: 0,
     rating4Count: 0,
     rating5Count: 0,
+    prPoints: 0,
+    reviewPoints: 0,
+    discussionPoints: 0,
   }
 
   // Impact values for scoring
@@ -72,7 +80,9 @@ export function getContributorScore({
       result[`rating${pr.starRating}Count`]++
 
       if (result[`rating${pr.starRating}Count`] <= 12) {
-        result.score += 2 ** ((pr.starRating ?? 0) - 1)
+        const prScore = 2 ** ((pr.starRating ?? 0) - 1)
+        result.score += prScore
+        result.prPoints += prScore
       }
     }
 
@@ -101,6 +111,10 @@ export function getContributorScore({
   }
 
   result.score += reviewPoints
+  result.reviewPoints = reviewPoints
+
+  // Discussion points are currently 0 (not implemented yet)
+  result.discussionPoints = 0
 
   return result
 }
diff --git a/tests/__snapshots__/test-generate-markdown.test.ts.snap b/tests/__snapshots__/test-generate-markdown.test.ts.snap
index 81369f95..2f440fd3 100644
--- a/tests/__snapshots__/test-generate-markdown.test.ts.snap
+++ b/tests/__snapshots__/test-generate-markdown.test.ts.snap
@@ -33,6 +33,15 @@ pie
 - 🔶 Great Informative Comments: Thoughtful participation that adds value
 - 💎 Incredible Comments: Exceptional participation with high-quality content
 
+## Point Source Breakdown
+
+This table shows where each contributor's weekly score comes from:
+
+| Contributor | PR Points | Review Points | Discussion Points | Total Score | PR % | Review % | Discussion % |
+|-------------|-----------|---------------|-------------------|-------------|------|----------|-------------|
+| [alice](#alice) | 5 | 0 | 0 | 5 | 100.0% | 0.0% | 0.0% |
+| [bob](#bob) | 2 | 0 | 0 | 2 | 100.0% | 0.0% | 0.0% |
+
 ## Review Table
 
 [reviews-received-hover]: ## "Number of reviews received for PRs for this contributor"
diff --git a/tests/test-generate-markdown.test.ts b/tests/test-generate-markdown.test.ts
index f90288b4..6eed9717 100644
--- a/tests/test-generate-markdown.test.ts
+++ b/tests/test-generate-markdown.test.ts
@@ -157,6 +157,9 @@ describe("generateMarkdown", () => {
     expect(markdown).toContain("Fix bug Y")
     expect(markdown).toContain("Update docs")
     expect(markdown).toContain("Discussion Contribution Legend")
+    expect(markdown).toContain("Point Source Breakdown")
+    expect(markdown).toContain("PR Points")
+    expect(markdown).toContain("Review Points")
     expect(markdown).toContain("Repository Owners")
     expect(markdown).toContain("Repositories by Owner")
     expect(markdown).toMatchSnapshot("markdown")