diff --git a/.forgejo/workflows/lint.yaml b/.forgejo/workflows/lint.yaml
new file mode 100644
index 0000000..fdc85b6
--- /dev/null
+++ b/.forgejo/workflows/lint.yaml
@@ -0,0 +1,20 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: docker
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Nix
+        uses: https://guardianproject.dev/actions/install-nix-action@v15
+
+      - name: Run just lint
+        run: nix-shell --run "just lint"
diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 0000000..a97332c
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,6 @@
+{
+  "MD033": false,
+  "line_length": {
+    "line_length": 92
+  }
+}
diff --git a/Justfile b/Justfile
new file mode 100644
index 0000000..9bdbc96
--- /dev/null
+++ b/Justfile
@@ -0,0 +1,7 @@
+lint:
+    markdownlint README.md
+    nixfmt -c flake.nix
+
+fmt:
+    markdownlint --fix README.md
+    nixfmt flake.nix
diff --git a/README.md b/README.md
index 08b93c6..c50c349 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,16 @@
 </h1>
 
 <p align="center">
-  <img alt="pronouns: he/him/his" src="https://img.shields.io/badge/pronouns-he/him/his-9fc5e8?style=flat-square">
-  <a href="https://irl.xyz/"><img alt="Website" src="https://img.shields.io/website?url=https%3A//irl.xyz&style=flat-square"></a>
-  <a href="https://www.openstreetmap.org/relation/58446"><img alt="ISO 3166: GB-SCT" src="https://img.shields.io/badge/ISO_3166-GB--SCT-005EB8?style=flat-square"></a>
-</p>
\ No newline at end of file
+  <img
+    alt="pronouns: he/him/his"
+    src="https://img.shields.io/badge/pronouns-he/him/his-9fc5e8?style=flat-square">
+  <a href="https://irl.xyz/">
+    <img alt="Website" src="https://img.shields.io/website?url=https%3A//irl.xyz&style=flat-square">
+  </a>
+  <a href="https://www.openstreetmap.org/relation/58446">
+    <img alt="ISO 3166: GB-SCT" src="https://img.shields.io/badge/ISO_3166-GB--SCT-005EB8?style=flat-square">
+  </a>
+  <a href="https://orcid.org/0000-0003-4923-6156?style=flat-square">
+    <img alt="ORCiD" src="https://img.shields.io/badge/ORCID-0000--0003--4923--6156-brightgreen">
+  </a>
+</p>
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..d072398
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1748190013,
+        "narHash": "sha256-R5HJFflOfsP5FBtk+zE8FpL8uqE7n62jqOsADvVshhE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "62b852f6c6742134ade1abdd2a21685fd617a291",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..3fe2aa6
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,32 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+      in
+      with pkgs;
+      {
+        devShells.default = mkShell {
+          buildInputs = [
+            git
+            markdownlint-cli
+            nixfmt-rfc-style
+            just
+          ];
+        };
+      }
+    );
+}