diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 417f5ac..51458dc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,6 +9,8 @@ on:
     branches: [ main ]
     paths-ignore:
       - '**/_version.py'
+  workflow_dispatch:
+
 
 jobs:
   test:
@@ -35,3 +37,19 @@ jobs:
         run: |
           make release
         shell: bash
+      - name: Upload coverage reports
+        if: |
+          ${{ 
+            success() 
+            && (
+              (github.event_name == 'pull_request' && github.base_ref == 'main')
+              || (github.event_name == 'push' && github.ref_name == 'main')
+              || github.event_name == 'workflow_dispatch'
+            )
+            && matrix.python-version == '3.11'
+          }}
+        uses: codecov/codecov-action@v5
+        with:
+          # https://github.com/codecov/codecov-action#arguments
+          token: ${{ secrets.CODECOV_TOKEN }}
+          env_vars: PYTHON_VERSION
diff --git a/README.md b/README.md
index 512b3f7..eb92b9b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # AIBS Informatics AWS Utils
 
 [![Build Status](https://github.com/AllenInstitute/aibs-informatics-aws-utils/actions/workflows/build.yml/badge.svg)](https://github.com/AllenInstitute/aibs-informatics-aws-utils/actions/workflows/build.yml)
+[![codecov](https://codecov.io/gh/AllenInstitute/aibs-informatics-aws-utils/graph/badge.svg?token=I3A5UC9CMX)](https://codecov.io/gh/AllenInstitute/aibs-informatics-aws-utils)
 
 ---
 
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..a6bc968
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,34 @@
+codecov:
+  bot: aibsgithub
+
+coverage:
+  range: 0..100
+  status:
+    project: 
+      default:
+        target: auto  # auto compares coverage to the previous base commit
+        informational: true
+    patch:
+      default:
+        informational: true
+
+comment:
+  layout: "reach, diff, flags, files"
+  behavior: default
+  require_changes: false  # if true: only post the comment if coverage changes
+  require_head: yes       # [yes :: must have a head report to post]
+  require_base: no        # default yes
+
+github_checks:
+  # set to true in future perhaps?
+  annotations: false
+
+flag_management:
+  default_rules: # the rules that will be followed for any flag added, generally
+    carryforward: true
+    statuses:
+      - type: project
+        target: auto
+        threshold: 1%
+      - type: patch
+        target: 90%
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 9469f4c..2bb6ae2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ dev = [
     "aibs-informatics-test-resources[all]~=0.0.4",
     "boto3-stubs[athena,apigateway,batch,ecr,ecs,efs,essential,fsx,logs,secretsmanager,ses,sns,ssm,sts,stepfunctions]",
     "moto[all] ~= 5.0",
+    "mypy~=1.13.0",
 ]
 
 release = [