diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..3f2817f
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,3 @@
+FROM node:12
+
+COPY . .
diff --git a/action.js b/action.js
new file mode 100644
index 0000000..88e52b9
--- /dev/null
+++ b/action.js
@@ -0,0 +1,60 @@
+'use strict'
+
+const fs = require('fs')
+const yaml = require('yaml')
+
+const formatters = {
+  txt: txtFormatter,
+  json: jsonFormatter,
+  shell: (data) => txtFormatter(data, { colors: true}),
+}
+
+main()
+
+function main() {
+  const format = process.argv[2]
+
+  const formatter = formatters[format]
+  if (!formatter) {
+    invalidFormat(format)
+    return
+  }
+
+  const data = yaml.parse(fs.readFileSync("./humans.txt.yaml", {encoding: "utf8"}))
+
+  formatter(data)
+}
+
+function invalidFormat(format) {
+  const list = Object.keys(formatters).sort().join(",")
+  console.error(`'${format}' is not one of the accepted formats ${list}`)
+  process.statusCode = 1
+  return
+}
+
+function jsonFormatter({humans}) {
+  console.log(JSON.stringify(humans, null, 4))
+}
+
+function txtFormatter({humans}, {colors = false} = {}) {
+  let active = humans.filter(h => !h.alum).map(h => h.name)
+  let alum = humans.filter(h => h.alum).map(h => h.name)
+
+  if(colors) {
+    const chalk = require('chalk')
+    const total = active.length + alum.length
+    active = active.map((n, i) => chalk.hsl((i / total) * 360, 100, 50)(n))
+    alum = alum.map((n, i) => chalk.hsl(((i + active.length) / total) * 360, 100, 50)(n))
+  }
+
+  console.log("Current humans")
+  console.log("==============\n")
+  console.log(active.join("\n"))
+  console.log("\n")
+
+  console.log("Human alumni")
+  console.log("============\n")
+  console.log(alum.join("\n"))
+}
+
+
diff --git a/actions.test.js b/actions.test.js
new file mode 100644
index 0000000..b25c065
--- /dev/null
+++ b/actions.test.js
@@ -0,0 +1,2 @@
+const assert = require('assert')
+
diff --git a/actions.yml b/actions.yml
new file mode 100644
index 0000000..229990a
--- /dev/null
+++ b/actions.yml
@@ -0,0 +1,11 @@
+name: 'GitHub Actions humans.txt'
+description: 'List out the humans who help feed and tend the robots of GitHub Actions'
+inputs:
+  format:
+    description: 'How to output the people of actions - txt, json or ascii'
+    default: 'ascii'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.format }}
diff --git a/humans.txt.yaml b/humans.txt.yaml
new file mode 100644
index 0000000..a08ed76
--- /dev/null
+++ b/humans.txt.yaml
@@ -0,0 +1,2 @@
+humans:
+
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..62d2acb
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,76 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "@babel/runtime": {
+      "version": "7.7.7",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.7.7.tgz",
+      "integrity": "sha512-uCnC2JEVAu8AKB5do1WRIsvrdJ0flYx/A/9f/6chdacnEZ7LmavjdsDXr5ksYBegxtuTPR5Va9/+13QF/kFkCA==",
+      "requires": {
+        "regenerator-runtime": "^0.13.2"
+      }
+    },
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ=="
+    },
+    "ansi-styles": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.0.tgz",
+      "integrity": "sha512-7kFQgnEaMdRtwf6uSfUnVr9gSGC7faurn+J/Mv90/W+iTtN0405/nLdopfMWwchyxhbGYl6TC4Sccn9TUkGAgg==",
+      "requires": {
+        "@types/color-name": "^1.1.1",
+        "color-convert": "^2.0.1"
+      }
+    },
+    "chalk": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-3.0.0.tgz",
+      "integrity": "sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==",
+      "requires": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      }
+    },
+    "color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "requires": {
+        "color-name": "~1.1.4"
+      }
+    },
+    "color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+    },
+    "has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
+    },
+    "regenerator-runtime": {
+      "version": "0.13.3",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz",
+      "integrity": "sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw=="
+    },
+    "supports-color": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
+      "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+      "requires": {
+        "has-flag": "^4.0.0"
+      }
+    },
+    "yaml": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.7.2.tgz",
+      "integrity": "sha512-qXROVp90sb83XtAoqE8bP9RwAkTTZbugRUTm5YeFCBfNRPEp2YzTeqWiz7m5OORHzEvrA/qcGS8hp/E+MMROYw==",
+      "requires": {
+        "@babel/runtime": "^7.6.3"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..afa6d5f
--- /dev/null
+++ b/package.json
@@ -0,0 +1,7 @@
+{
+  "private": true,
+  "dependencies": {
+    "chalk": "3.0.0",
+    "yaml": "1.7.2"
+  }
+}
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..9eec1de
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,8 @@
+#!bin/bash
+
+set -xeuo pipefail
+
+node action.js txt >/tmp/t1
+node action.js json >/tmp/t2
+node action.js shell >/tmp/t3
+