diff --git a/.github/ISSUE_TEMPLATE/0_bug.yml b/.github/ISSUE_TEMPLATE/0_bug.yml
index cfccd360..a53f6fba 100644
--- a/.github/ISSUE_TEMPLATE/0_bug.yml
+++ b/.github/ISSUE_TEMPLATE/0_bug.yml
@@ -1,4 +1,3 @@
----
 name: Bug Report
 description: Create a bug report.
 labels:
diff --git a/.github/ISSUE_TEMPLATE/1_feature.yml b/.github/ISSUE_TEMPLATE/1_feature.yml
index a1e73982..bc022b41 100644
--- a/.github/ISSUE_TEMPLATE/1_feature.yml
+++ b/.github/ISSUE_TEMPLATE/1_feature.yml
@@ -1,4 +1,3 @@
----
 name: Feature Request
 description: Create a feature request.
 labels:
diff --git a/.github/ISSUE_TEMPLATE/2_documentation.yml b/.github/ISSUE_TEMPLATE/2_documentation.yml
index 68ae890d..f3ce0408 100644
--- a/.github/ISSUE_TEMPLATE/2_documentation.yml
+++ b/.github/ISSUE_TEMPLATE/2_documentation.yml
@@ -1,4 +1,3 @@
----
 name: Documentation
 description: Create a documentation related issue.
 labels:
diff --git a/.github/ISSUE_TEMPLATE/epic.yml b/.github/ISSUE_TEMPLATE/epic.yml
index eca723f4..9b3637f9 100644
--- a/.github/ISSUE_TEMPLATE/epic.yml
+++ b/.github/ISSUE_TEMPLATE/epic.yml
@@ -1,4 +1,3 @@
----
 name: Epic
 description: A collection of related tickets.
 labels:
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index fd367424..527ce8e0 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,4 +1,3 @@
----
 version: 2
 updates:
   - package-ecosystem: github-actions
diff --git a/.github/global.yml b/.github/global.yml
index 4a336c90..43819da1 100644
--- a/.github/global.yml
+++ b/.github/global.yml
@@ -1,4 +1,3 @@
----
 # General
   - name: mitigated
     description: a workaround has been identified
@@ -37,7 +36,7 @@
     color: '#ededed'
   - name: locked
     description: '[bot] locked due to inactivity'
-    color: '#85BDB1'
+    color: '#85bdb1'
   - name: dependencies
     description: '[bot] PRs that update a dependency file'
     color: '#0366d6'
@@ -61,7 +60,7 @@
 # Sync
   - name: sync::anaconda
     description: sync internally with Anaconda, Inc. ticket tracker
-    color: '#5B2B76'
+    color: '#5b2b76'
 
 # Duplicates
   - name: duplicate
@@ -251,14 +250,14 @@
 # Stale
   - name: stale
     description: '[bot] marked as stale due to inactivity'
-    color: '#E79676'
+    color: '#e79676'
     aliases: [stale-marked]
   - name: stale::recovered
     description: '[bot] recovered after being marked as stale'
-    color: '#40A6B3'
+    color: '#40a6b3'
   - name: stale::closed
     description: '[bot] closed after being marked as stale'
-    color: '#86A8D8'
+    color: '#86a8d8'
 
 # Hackathons
   - name: hack::HackIllinois2019
@@ -276,20 +275,20 @@
 # Tags
   - name: tag::performance
     description: related to degraded performance
-    color: '#86C579'
+    color: '#86c579'
   - name: tag::encoding-error
     description: related to an encoding error
-    color: '#86C579'
+    color: '#86c579'
   - name: tag::api
     description: related to the public API
-    color: '#86C579'
+    color: '#86c579'
   - name: tag::reproducibility
     description: related to producing reproducible results
-    color: '#86C579'
+    color: '#86c579'
     aliases: [reproducibility]
   - name: tag::ux
     description: related to user experience
-    color: '#86C579'
+    color: '#86c579'
 
 # Documentation
   - name: documentation::tutorials
diff --git a/.github/labels.yml b/.github/labels.yml
index 9fe397b6..81aa0cd2 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -1,4 +1,3 @@
----
   - name: type::development
     color: '#fff2cc'
     description: related to developer environment setups
diff --git a/.github/messages.yml b/.github/messages.yml
index 28ecf6b8..d214c85b 100644
--- a/.github/messages.yml
+++ b/.github/messages.yml
@@ -1,4 +1,3 @@
----
 stale-issue: |
   Hi there, thank you for your contribution!
 
diff --git a/.github/sync/config.yml b/.github/sync/config.yml
index 46be6553..12c49cc4 100644
--- a/.github/sync/config.yml
+++ b/.github/sync/config.yml
@@ -1,4 +1,3 @@
----
 group:
   # all projects
   - repos: |
diff --git a/.github/workflows/cla.yml b/.github/workflows/cla.yml
index 0f793ef0..07c7f75b 100644
--- a/.github/workflows/cla.yml
+++ b/.github/workflows/cla.yml
@@ -1,4 +1,3 @@
----
 name: CLA
 
 on:
diff --git a/.github/workflows/issues.yml b/.github/workflows/issues.yml
index 8391b0ee..7a114d6d 100644
--- a/.github/workflows/issues.yml
+++ b/.github/workflows/issues.yml
@@ -1,4 +1,3 @@
----
 name: Automate Issues
 
 on:
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 45cb754d..f13985fb 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,4 +1,3 @@
----
 name: Sync Labels
 
 on:
diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index c4294bea..2204b62d 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -1,4 +1,3 @@
----
 name: Lock
 
 on:
diff --git a/.github/workflows/project.yml b/.github/workflows/project.yml
index e1d5d4de..7d06584c 100644
--- a/.github/workflows/project.yml
+++ b/.github/workflows/project.yml
@@ -1,4 +1,3 @@
----
 name: Add to Project
 
 on:
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index cfc95287..bcda1fea 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -1,4 +1,3 @@
----
 name: Stale
 
 on:
diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 7e45c3d0..757ab535 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -1,4 +1,3 @@
----
 name: Sync
 
 on:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0c55ab68..c7d06b0f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,3 @@
----
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.6.0
@@ -8,6 +7,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
       # ensure syntaxes are valid
+      - id: check-toml
       - id: check-yaml
       # catch git merge/rebase problems
       - id: check-merge-conflict
@@ -20,12 +20,25 @@ repos:
         files: ^.clabot$
         require_serial: true
         args: [--sort-keys=contributors]
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.3.7
+    hooks:
+      # lint & attempt to correct failures (e.g. pyupgrade)
+      - id: ruff
+        args: [--fix]
+      # compatible replacement for black
+      - id: ruff-format
+  - repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+    rev: v2.13.0
+    hooks:
+      - id: pretty-format-toml
+        args: [--autofix, --trailing-commas]
   - repo: https://github.com/jumanjihouse/pre-commit-hook-yamlfmt
     rev: 0.2.3
     hooks:
       - id: yamlfmt
         # ruamel.yaml doesn't line wrap correctly (?) so set width to 1M to avoid issues
-        args: [--mapping, '2', --offset, '2', --sequence, '4', --width, '1000000']
+        args: [--mapping=2, --offset=2, --sequence=4, --width=1000000, --implicit_start]
   - repo: https://github.com/python-jsonschema/check-jsonschema
     rev: 0.28.2
     hooks:
@@ -33,7 +46,7 @@ repos:
       - id: check-github-workflows
       - id: check-dependabot
   - repo: https://github.com/codespell-project/codespell
-    # see setup.cfg
+    # see pyproject.toml
     rev: v2.2.6
     hooks:
       - id: codespell
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..827949c7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,22 @@
+[tool.codespell]
+# see https://github.com/codespell-project/codespell#using-a-config-file
+ignore-words-list = "rever,"
+skip = '.git'
+
+[tool.ruff]
+target-version = "py38"
+
+[tool.ruff.lint]
+# see https://docs.astral.sh/ruff/rules/
+select = [
+  "D",  # pydocstyle
+  "E",  # pycodestyle errors
+  "F",  # pyflakes
+  "FA",  # flake8-future-annotations
+  "I",  # isort
+  "ISC",  # flake8-implicit-str-concat
+  "T10",  # flake8-debugger
+  "TCH",  # flake8-type-checking
+  "UP",  # pyupgrade
+  "W",  # pycodestyle warnings
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 9c50726c..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,4 +0,0 @@
-[codespell]
-# see https://github.com/codespell-project/codespell#using-a-config-file
-ignore-words-list = rever,
-skip = .git
diff --git a/sort_json.py b/sort_json.py
index dedb5a6d..d972547d 100755
--- a/sort_json.py
+++ b/sort_json.py
@@ -1,14 +1,26 @@
 #!/usr/bin/env python3
-from argparse import ArgumentParser
+"""Sort specified keys in JSON files."""
+
+from __future__ import annotations
+
 import json
+import sys
+from argparse import ArgumentParser
 from pathlib import Path
-from typing import Optional, Sequence
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from typing import Sequence
 
 
-def main(argv: Optional[Sequence[str]] = None) -> int:
+def main(argv: Sequence[str] | None = None) -> int:
+    """Sort specified keys in JSON files."""
     parser = ArgumentParser()
     parser.add_argument(
-        "--sort-keys", type=lambda v: v.split(","), default=[], help="Keys to sort"
+        "--sort-keys",
+        type=lambda keys: keys.split(","),
+        default=[],
+        help="Keys to sort",
     )
     parser.add_argument("filenames", nargs="*", type=Path, help="Filenames to fix")
     args = parser.parse_args(argv)
@@ -29,11 +41,9 @@ def object_pairs_hook(pairs):
         else:
             pretty = f"{json.dumps(content, indent=2)}\n"  # include trailing newline
             path.write_text(pretty)
-            status = (
-                status or original != pretty
-            )  # record whether modifications were made
+            status = status or original != pretty  # record whether modified
     return status
 
 
 if __name__ == "__main__":
-    raise SystemExit(main())
+    sys.exit(main())