diff --git a/.github/workflows/abi-drift.yml b/.github/workflows/abi-drift.yml
index 04df1e8..f5317ce 100644
--- a/.github/workflows/abi-drift.yml
+++ b/.github/workflows/abi-drift.yml
@@ -70,15 +70,24 @@ jobs:
 
       - name: Resolve cartridge allowlist
         id: discover
-        # 80 cartridges in the tree carry a paired Safe*.idr + *_ffi.zig.
-        # 56 are audited green against the Phase 1b emitter + Phase 1
-        # verifier (re-run 2026-05-20 with current `main` iseriser binary;
-        # earlier 16-cartridge survey was contaminated by a stale local
-        # build pre-iseriser#15). 18 carry real drift (Class B name-norm,
-        # Class C missing-enum-in-Zig, Class D abbreviation drift — see
-        # standards#92 + sub-issues iseriser#18 / standards#150-155 /
-        # standards#TBD-class-D). 5 hit a verifier parser limit
-        # (iseriser#19). 1 has a malformed Idris2 source (boj-server#111).
+        # 81 cartridges in the tree carry a paired Safe*.idr + *_ffi.zig.
+        # 66 are audited green against the Phase 1b emitter + Phase 1
+        # verifier (re-run 2026-05-20 after iseriser#20 / #21 / #22 merged:
+        # GADT-skip in the emitter, runtogether candidate for multi-cap
+        # acronyms, and terminal `false` switch-arm tolerance in the
+        # verifier). Versus the previous 56-cartridge allowlist this:
+        #   * ADDS 11 cartridges that the three iseriser fixes unblocked
+        #     (chapeliser, cloud, comms, container, git, gitlab-api, ml,
+        #     mongodb, queues, research, vordr)
+        #   * REMOVES browser-mcp — newly-detected genuine drift
+        #     (`BrowserAction.Type` ↔ Zig `type_text`; cartridge-side
+        #     fix, not a verifier defect)
+        # 15 cartridges carry real drift across Classes B/C/D — see
+        # standards#92 plus open sub-issues standards#150-155 (Class C)
+        # and standards#156 (Class D). Class P (verifier parser limit)
+        # and Class E (malformed Idris2 source) are now empty: iseriser#22
+        # closed Class P (5 cartridges) and the vordr-mcp Class E case
+        # was closed via iseriser#20 + the cartridge's clean re-survey.
         run: |
           set -euo pipefail
           {
@@ -88,10 +97,13 @@ jobs:
             echo 'agent-mcp'
             echo 'airtable-mcp'
             echo 'arango-mcp'
-            echo 'browser-mcp'
             echo 'buildkite-mcp'
+            echo 'chapeliser-mcp'
             echo 'clickhouse-mcp'
+            echo 'cloud-mcp'
             echo 'cloudflare-mcp'
+            echo 'comms-mcp'
+            echo 'container-mcp'
             echo 'crates-mcp'
             echo 'discord-mcp'
             echo 'dns-shield-mcp'
@@ -100,8 +112,10 @@ jobs:
             echo 'feedback-mcp'
             echo 'fleet-mcp'
             echo 'fly-mcp'
+            echo 'git-mcp'
             echo 'github-actions-mcp'
             echo 'github-api-mcp'
+            echo 'gitlab-api-mcp'
             echo 'google-docs-mcp'
             echo 'google-sheets-mcp'
             echo 'grafana-mcp'
@@ -114,6 +128,8 @@ jobs:
             echo 'linear-mcp'
             echo 'local-coord-mcp'
             echo 'matrix-mcp'
+            echo 'ml-mcp'
+            echo 'mongodb-mcp'
             echo 'neo4j-mcp'
             echo 'neon-mcp'
             echo 'nesy-mcp'
@@ -127,8 +143,10 @@ jobs:
             echo 'prometheus-mcp'
             echo 'proof-mcp'
             echo 'pypi-mcp'
+            echo 'queues-mcp'
             echo 'railway-mcp'
             echo 'render-mcp'
+            echo 'research-mcp'
             echo 'rokur-mcp'
             echo 'secrets-mcp'
             echo 'sentry-mcp'
@@ -138,6 +156,7 @@ jobs:
             echo 'telegram-mcp'
             echo 'todoist-mcp'
             echo 'turso-mcp'
+            echo 'vordr-mcp'
             echo 'zotero-mcp'
             echo 'EOF'
           } >> "$GITHUB_OUTPUT"