diff --git a/.github/workflows/_deploy-testnet.yml b/.github/workflows/_deploy-testnet.yml
index 4299ec6..2a9049a 100644
--- a/.github/workflows/_deploy-testnet.yml
+++ b/.github/workflows/_deploy-testnet.yml
@@ -137,6 +137,7 @@ jobs:
       - name: Create deployment summary
         env:
           BLOCKSCOUT_URL: ${{ steps.network.outputs.blockscout_url }}
+          BROADCAST_FILE: ${{ steps.parse.outputs.broadcast_file }}
           SUMMARY_TITLE: Testnet Deployment Summary
         run: bash .etherform/scripts/deploy/deployment-summary.sh
 
diff --git a/.github/workflows/_foundry-cicd.yml b/.github/workflows/_foundry-cicd.yml
index e88d73c..fd7712f 100644
--- a/.github/workflows/_foundry-cicd.yml
+++ b/.github/workflows/_foundry-cicd.yml
@@ -522,6 +522,7 @@ jobs:
       - name: Create deployment summary
         env:
           BLOCKSCOUT_URL: ${{ steps.network.outputs.blockscout_url }}
+          BROADCAST_FILE: ${{ steps.parse.outputs.broadcast_file }}
           SUMMARY_TITLE: Testnet Deployment Summary
         run: bash .etherform/scripts/deploy/deployment-summary.sh
 
diff --git a/scripts/deploy/deployment-summary.sh b/scripts/deploy/deployment-summary.sh
index 24c8d81..f004b79 100755
--- a/scripts/deploy/deployment-summary.sh
+++ b/scripts/deploy/deployment-summary.sh
@@ -1,26 +1,66 @@
 #!/usr/bin/env bash
 set -euo pipefail
-# Write a deployment summary table to $GITHUB_STEP_SUMMARY.
+# Write a deployment summary to $GITHUB_STEP_SUMMARY from a Foundry
+# broadcast run-latest.json file: deployed contracts (with constructor args)
+# and post-deploy method calls.
 #
 # Env inputs:
 #   BLOCKSCOUT_URL  — required
+#   BROADCAST_FILE  — required, path to run-latest.json
 #   SUMMARY_TITLE   — optional, defaults to "Deployment Summary"
-#
-# File inputs:
-#   deployment-summary.txt must exist in the working directory
 
 : "${BLOCKSCOUT_URL:?BLOCKSCOUT_URL is required}"
+: "${BROADCAST_FILE:?BROADCAST_FILE is required}"
+: "${GITHUB_STEP_SUMMARY:?GITHUB_STEP_SUMMARY is required}"
 TITLE="${SUMMARY_TITLE:-Deployment Summary}"
 
+if [[ ! -f "$BROADCAST_FILE" ]]; then
+  echo "::error::BROADCAST_FILE not found: $BROADCAST_FILE"
+  exit 1
+fi
+
+# Format a JSON arguments array (read from stdin) into a markdown-friendly cell.
+# Pipe characters are escaped so they don't break the table layout.
+format_args() {
+  jq -r '
+    if . == null or . == [] then "_(none)_"
+    else (map("`" + (. | tostring) + "`") | join(", "))
+    end
+  ' | sed 's/|/\\|/g'
+}
+
 {
   echo "## $TITLE"
   echo ""
-  echo "| Contract | Address | Explorer |"
-  echo "|----------|---------|----------|"
+  echo "| Contract | Address | Constructor Args | Explorer |"
+  echo "|----------|---------|------------------|----------|"
+  while IFS=$'\t' read -r CONTRACT ADDRESS ARGS_JSON; do
+    ARGS=$(printf '%s' "$ARGS_JSON" | format_args)
+    echo "| ${CONTRACT:-?} | \`$ADDRESS\` | $ARGS | [View](${BLOCKSCOUT_URL}/address/$ADDRESS) |"
+  done < <(jq -r '
+    .transactions[]
+    | select(.transactionType == "CREATE" or .transactionType == "CREATE2")
+    | [(.contractName // ""), .contractAddress, (.arguments // [] | tojson)]
+    | @tsv
+  ' "$BROADCAST_FILE")
 
-  while read -r line; do
-    CONTRACT=$(echo "$line" | cut -d: -f1)
-    ADDRESS=$(echo "$line" | cut -d: -f2 | tr -d ' ')
-    echo "| $CONTRACT | \`$ADDRESS\` | [View](${BLOCKSCOUT_URL}/address/$ADDRESS) |"
-  done < deployment-summary.txt
+  CALL_COUNT=$(jq '[.transactions[] | select(.transactionType == "CALL")] | length' "$BROADCAST_FILE")
+  if [[ "$CALL_COUNT" -gt 0 ]]; then
+    echo ""
+    echo "<details>"
+    echo "<summary>Method Calls ($CALL_COUNT)</summary>"
+    echo ""
+    echo "| Contract | Address | Method | Arguments |"
+    echo "|----------|---------|--------|-----------|"
+    while IFS=$'\t' read -r CONTRACT ADDRESS FUNCTION ARGS_JSON; do
+      ARGS=$(printf '%s' "$ARGS_JSON" | format_args)
+      echo "| ${CONTRACT:-?} | \`$ADDRESS\` | \`${FUNCTION:-?}\` | $ARGS |"
+    done < <(jq -r '
+      .transactions[]
+      | select(.transactionType == "CALL")
+      | [(.contractName // ""), .contractAddress, (.function // ""), (.arguments // [] | tojson)]
+      | @tsv
+    ' "$BROADCAST_FILE")
+    echo "</details>"
+  fi
 } >> "$GITHUB_STEP_SUMMARY"
diff --git a/scripts/deploy/parse-broadcast.sh b/scripts/deploy/parse-broadcast.sh
index c9ec4d4..eed7aca 100755
--- a/scripts/deploy/parse-broadcast.sh
+++ b/scripts/deploy/parse-broadcast.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 # Parse Foundry broadcast artifacts after deployment.
-# Finds run-latest.json, extracts chain ID, writes deployment-summary.txt.
+# Finds run-latest.json and extracts the chain ID.
 #
 # Outputs (via $GITHUB_OUTPUT):
 #   broadcast_file  — path to the broadcast JSON
@@ -19,4 +19,4 @@ CHAIN_ID=$(echo "$BROADCAST_FILE" | sed -E 's|.*/([0-9]+)/run-latest\.json$|\1|'
 echo "chain_id=$CHAIN_ID" >> "$GITHUB_OUTPUT"
 echo "Deployed to chain ID: $CHAIN_ID"
 
-jq -r '.transactions[] | select(.transactionType == "CREATE") | "\(.contractName): \(.contractAddress)"' "$BROADCAST_FILE" | tee deployment-summary.txt
+jq -r '.transactions[] | select(.transactionType == "CREATE") | "\(.contractName): \(.contractAddress)"' "$BROADCAST_FILE"
diff --git a/tests/fixtures/broadcast/Deploy.s.sol/31337/run-latest.json b/tests/fixtures/broadcast/Deploy.s.sol/31337/run-latest.json
index ba7346f..6d7ec44 100644
--- a/tests/fixtures/broadcast/Deploy.s.sol/31337/run-latest.json
+++ b/tests/fixtures/broadcast/Deploy.s.sol/31337/run-latest.json
@@ -4,19 +4,25 @@
       "hash": "0xabc123",
       "transactionType": "CREATE",
       "contractName": "MyToken",
-      "contractAddress": "0x1234567890abcdef1234567890abcdef12345678"
+      "contractAddress": "0x1234567890abcdef1234567890abcdef12345678",
+      "function": null,
+      "arguments": ["0xAdminAdminAdminAdminAdminAdminAdminAdmin0001"]
     },
     {
       "hash": "0xdef456",
       "transactionType": "CREATE",
       "contractName": "MyProxy",
-      "contractAddress": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcd"
+      "contractAddress": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcd",
+      "function": null,
+      "arguments": null
     },
     {
       "hash": "0x789012",
       "transactionType": "CALL",
       "contractName": "MyProxy",
-      "contractAddress": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcd"
+      "contractAddress": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcd",
+      "function": "initialize(address,uint256)",
+      "arguments": ["0x1234567890abcdef1234567890abcdef12345678", "1000000000000000000"]
     }
   ]
 }
diff --git a/tests/test-deployment-summary.sh b/tests/test-deployment-summary.sh
index ce1706d..79befa9 100755
--- a/tests/test-deployment-summary.sh
+++ b/tests/test-deployment-summary.sh
@@ -1,56 +1,128 @@
 #!/usr/bin/env bash
 set -euo pipefail
 SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+FIXTURE="$SCRIPT_DIR/tests/fixtures/broadcast/Deploy.s.sol/31337/run-latest.json"
 FAILURES=0
 
 echo "=== Testing scripts/deploy/deployment-summary.sh ==="
 
-# Test 1: Generates markdown table
+# Test 1: Generates deployed-contracts table with constructor args + explorer
 (
   TMPDIR=$(mktemp -d)
   trap 'rm -rf "$TMPDIR"' EXIT
-  cd "$TMPDIR"
-
-  cat > deployment-summary.txt <<'EOF'
-MyToken: 0x1234567890abcdef1234567890abcdef12345678
-MyProxy: 0xabcdefabcdefabcdefabcdefabcdefabcdefabcd
-EOF
 
   export BLOCKSCOUT_URL="https://eth-sepolia.blockscout.com"
+  export BROADCAST_FILE="$FIXTURE"
   export GITHUB_STEP_SUMMARY="$TMPDIR/summary.md"
   touch "$GITHUB_STEP_SUMMARY"
 
   bash "$SCRIPT_DIR/scripts/deploy/deployment-summary.sh"
 
   grep -q "Deployment Summary" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: no title"; exit 1; }
+  grep -q "Constructor Args" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: header missing"; exit 1; }
   grep -q "MyToken" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: MyToken not found"; exit 1; }
   grep -q "MyProxy" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: MyProxy not found"; exit 1; }
-  grep -q "View" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: explorer link not found"; exit 1; }
+  grep -q "0xAdminAdminAdminAdminAdminAdminAdminAdmin0001" "$GITHUB_STEP_SUMMARY" \
+    || { echo "FAIL: constructor arg not rendered"; exit 1; }
+  grep -q "_(none)_" "$GITHUB_STEP_SUMMARY" \
+    || { echo "FAIL: empty-args placeholder not rendered"; exit 1; }
+  grep -q "View" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: explorer link missing"; exit 1; }
+
+  echo "PASS: deployed-contracts table renders"
+) || { FAILURES=$((FAILURES + 1)); }
+
+# Test 2: Method calls section appears with function + args
+(
+  TMPDIR=$(mktemp -d)
+  trap 'rm -rf "$TMPDIR"' EXIT
+
+  export BLOCKSCOUT_URL="https://eth-sepolia.blockscout.com"
+  export BROADCAST_FILE="$FIXTURE"
+  export GITHUB_STEP_SUMMARY="$TMPDIR/summary.md"
+  touch "$GITHUB_STEP_SUMMARY"
+
+  bash "$SCRIPT_DIR/scripts/deploy/deployment-summary.sh"
+
+  grep -q "<details>" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: <details> missing"; exit 1; }
+  grep -q "Method Calls" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: Method Calls header missing"; exit 1; }
+  grep -q "initialize(address,uint256)" "$GITHUB_STEP_SUMMARY" \
+    || { echo "FAIL: function signature missing"; exit 1; }
+  grep -q "1000000000000000000" "$GITHUB_STEP_SUMMARY" \
+    || { echo "FAIL: call argument missing"; exit 1; }
 
-  echo "PASS: generates markdown table"
+  echo "PASS: method calls section renders"
 ) || { FAILURES=$((FAILURES + 1)); }
 
-# Test 2: Custom title via SUMMARY_TITLE
+# Test 3: Method calls section is omitted when there are no CALLs
 (
   TMPDIR=$(mktemp -d)
   trap 'rm -rf "$TMPDIR"' EXIT
-  cd "$TMPDIR"
 
-  cat > deployment-summary.txt <<'EOF'
-MyToken: 0x1234567890abcdef1234567890abcdef12345678
+  cat > "$TMPDIR/run-latest.json" <<'EOF'
+{
+  "transactions": [
+    {
+      "transactionType": "CREATE",
+      "contractName": "OnlyContract",
+      "contractAddress": "0x1111111111111111111111111111111111111111",
+      "arguments": null
+    }
+  ]
+}
 EOF
 
   export BLOCKSCOUT_URL="https://eth-sepolia.blockscout.com"
+  export BROADCAST_FILE="$TMPDIR/run-latest.json"
+  export GITHUB_STEP_SUMMARY="$TMPDIR/summary.md"
+  touch "$GITHUB_STEP_SUMMARY"
+
+  bash "$SCRIPT_DIR/scripts/deploy/deployment-summary.sh"
+
+  grep -q "OnlyContract" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: contract row missing"; exit 1; }
+  if grep -q "Method Calls" "$GITHUB_STEP_SUMMARY"; then
+    echo "FAIL: Method Calls section should be omitted when no CALLs"
+    exit 1
+  fi
+
+  echo "PASS: omits method calls section when none"
+) || { FAILURES=$((FAILURES + 1)); }
+
+# Test 4: Custom title via SUMMARY_TITLE
+(
+  TMPDIR=$(mktemp -d)
+  trap 'rm -rf "$TMPDIR"' EXIT
+
+  export BLOCKSCOUT_URL="https://eth-sepolia.blockscout.com"
+  export BROADCAST_FILE="$FIXTURE"
   export SUMMARY_TITLE="Testnet Deployment Summary"
   export GITHUB_STEP_SUMMARY="$TMPDIR/summary.md"
   touch "$GITHUB_STEP_SUMMARY"
 
   bash "$SCRIPT_DIR/scripts/deploy/deployment-summary.sh"
 
-  grep -q "Testnet Deployment Summary" "$GITHUB_STEP_SUMMARY" || { echo "FAIL: custom title not found"; exit 1; }
+  grep -q "Testnet Deployment Summary" "$GITHUB_STEP_SUMMARY" \
+    || { echo "FAIL: custom title not found"; exit 1; }
 
   echo "PASS: custom title works"
 ) || { FAILURES=$((FAILURES + 1)); }
 
-echo "--- $((2 - FAILURES))/2 tests passed ---"
+# Test 5: Fails when BROADCAST_FILE is missing
+(
+  TMPDIR=$(mktemp -d)
+  trap 'rm -rf "$TMPDIR"' EXIT
+
+  export BLOCKSCOUT_URL="https://eth-sepolia.blockscout.com"
+  export BROADCAST_FILE="$TMPDIR/does-not-exist.json"
+  export GITHUB_STEP_SUMMARY="$TMPDIR/summary.md"
+  touch "$GITHUB_STEP_SUMMARY"
+
+  if bash "$SCRIPT_DIR/scripts/deploy/deployment-summary.sh" > /dev/null 2>&1; then
+    echo "FAIL: should have exited with error"
+    exit 1
+  fi
+
+  echo "PASS: fails on missing broadcast file"
+) || { FAILURES=$((FAILURES + 1)); }
+
+echo "--- $((5 - FAILURES))/5 tests passed ---"
 exit $FAILURES
diff --git a/tests/test-parse-broadcast.sh b/tests/test-parse-broadcast.sh
index 40a4b7e..83eacbc 100755
--- a/tests/test-parse-broadcast.sh
+++ b/tests/test-parse-broadcast.sh
@@ -23,7 +23,7 @@ echo "=== Testing scripts/deploy/parse-broadcast.sh ==="
   echo "PASS: extracts broadcast_file and chain_id"
 ) || { FAILURES=$((FAILURES + 1)); }
 
-# Test 2: Creates deployment-summary.txt with CREATE transactions only
+# Test 2: Logs CREATE entries to stdout
 (
   TMPDIR=$(mktemp -d)
   trap 'rm -rf "$TMPDIR"' EXIT
@@ -33,13 +33,12 @@ echo "=== Testing scripts/deploy/parse-broadcast.sh ==="
   export GITHUB_OUTPUT="$TMPDIR/github-output.txt"
   touch "$GITHUB_OUTPUT"
 
-  bash "$SCRIPT_DIR/scripts/deploy/parse-broadcast.sh" > /dev/null
+  OUTPUT=$(bash "$SCRIPT_DIR/scripts/deploy/parse-broadcast.sh")
 
-  [[ $(wc -l < deployment-summary.txt) -eq 2 ]] || { echo "FAIL: expected 2 lines, got $(wc -l < deployment-summary.txt)"; exit 1; }
-  grep -q "MyToken" deployment-summary.txt || { echo "FAIL: MyToken not found"; exit 1; }
-  grep -q "MyProxy" deployment-summary.txt || { echo "FAIL: MyProxy not found"; exit 1; }
+  echo "$OUTPUT" | grep -q "MyToken" || { echo "FAIL: MyToken not logged"; exit 1; }
+  echo "$OUTPUT" | grep -q "MyProxy" || { echo "FAIL: MyProxy not logged"; exit 1; }
 
-  echo "PASS: deployment-summary.txt has correct CREATE entries"
+  echo "PASS: logs CREATE entries"
 ) || { FAILURES=$((FAILURES + 1)); }
 
 # Test 3: Fails when no broadcast file exists