diff --git a/.github/workflows/update-new-members.yml b/.github/workflows/update-new-members.yml
new file mode 100644
index 00000000..46d8b5f5
--- /dev/null
+++ b/.github/workflows/update-new-members.yml
@@ -0,0 +1,26 @@
+name: Update new member files
+
+on:
+  push:
+    branches: [vladh/schema-continued]
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+      - name: Fetch main branch
+        run: git fetch origin main:main
+      - name: Install npm packages
+        run: npm install
+      - name: Update new member files
+        run: bash ./bin/update-new-members
+      - name: Commit member changes, if any
+        run: bash ./bin/commit-member-changes
diff --git a/bin/commit-member-changes b/bin/commit-member-changes
new file mode 100755
index 00000000..533bc51d
--- /dev/null
+++ b/bin/commit-member-changes
@@ -0,0 +1,14 @@
+#!/bin/bash -eu
+# Creates a commit with the changes in `src/content/members`, if any. Must be
+# run in the repo's root.
+
+if [[ $(git status --porcelain src/content/members) ]]; then
+  git config user.name 'Open Source Pledge GitHub Action Runner'
+  git config user.email 'bot@osspledge.com'
+  git add src/content/members
+  git commit -m 'Add changes to src/content/members (automated commit)'
+  git push
+  echo "Changes to src/content/members committed"
+else
+  echo "No changes to local member data, skipping"
+fi
diff --git a/bin/update-all-members b/bin/update-all-members
new file mode 100755
index 00000000..034e5756
--- /dev/null
+++ b/bin/update-all-members
@@ -0,0 +1,8 @@
+#!/bin/bash -eu
+# This script fetches the JSON files specified in `members.csv` for all
+# members. Must be run in the repo's root.
+
+while IFS= read -r line; do
+    line_parts=(${line//,/ })
+    ./bin/update-member ${line_parts[0]} ${line_parts[1]}
+done < members.csv
diff --git a/bin/update-member b/bin/update-member
new file mode 100755
index 00000000..01a184f2
--- /dev/null
+++ b/bin/update-member
@@ -0,0 +1,68 @@
+#!/usr/bin/env node
+
+import fs from 'fs';
+import fetch from 'node-fetch';
+
+
+const USAGE = `USAGE: ./bin/update-member foocorp https://foocorp.example.com/foocorp.json
+Must be run in the repo's root.`;
+
+
+async function updateMember(name, url) {
+  const localPath = `./src/content/members/${name}.json`;
+  console.log(`Fetching member: ${name}`);
+  console.log(`\t* Remote URL: ${url}`);
+  console.log(`\t* Local path: ${localPath}`);
+
+  let localMemberData = undefined;
+  if (fs.existsSync(localPath)) {
+    try {
+      localMemberData = JSON.parse(fs.readFileSync(localPath, 'utf8'));
+    } catch(e) {
+      console.log(`Saw invalid JSON in ${localPath}, ignoring local data`);
+    }
+  }
+
+  let remoteMemberData = undefined;
+  try {
+    remoteMemberData = await fetch(url)
+      .then((res) => res.text())
+      .then((text) => JSON.parse(text));
+  } catch (e) {
+    console.error(`ERROR: Failed to get JSON from ${url}`, e);
+    process.exit(1);
+  }
+
+  let shouldWrite = (localMemberData == undefined);
+
+  if (!shouldWrite) {
+    const localMtime = new Date(localMemberData.datetimeModified);
+    const remoteMtime = new Date(remoteMemberData.datetimeModified);
+    shouldWrite = remoteMtime > localMtime;
+  }
+
+  if (shouldWrite) {
+    console.log(`Remote JSON is newer, writing to ${localPath}`);
+    try {
+      fs.writeFileSync(localPath, JSON.stringify(remoteMemberData, null, 2));
+    } catch (e) {
+      console.error(`ERROR: Failed to write to ${localPath}`, e);
+      process.exit(1);
+    }
+  } else {
+    console.log("Remote JSON is older, skipping");
+  }
+}
+
+
+function main() {
+  const args = process.argv.slice(2);
+  if (args.length != 2) {
+    console.error(USAGE);
+    process.exit(1);
+  }
+  updateMember(args[0], args[1]);
+}
+
+
+main()
diff --git a/bin/update-new-members b/bin/update-new-members
new file mode 100755
index 00000000..1365a0c0
--- /dev/null
+++ b/bin/update-new-members
@@ -0,0 +1,17 @@
+#!/bin/bash -eu
+# This script fetches the JSON files specified for all members that have been
+# added to `members.csv` compared to the `main` branch. Must be run in the
+# repo's root.
+
+new_member_lines=$(
+  diff \
+    --changed-group-format='%>' \
+    --unchanged-group-format='' \
+    <( git show main:members.csv ) \
+    members.csv
+) || true
+
+while IFS= read -r line; do
+  line_parts=(${line//,/ })
+  ./bin/update-member ${line_parts[0]} ${line_parts[1]}
+done <<< "$new_member_lines"
diff --git a/src/content/members/sentry.json b/contrib/example-schema.json
similarity index 93%
rename from src/content/members/sentry.json
rename to contrib/example-schema.json
index 0fdeb132..5b615a18 100644
--- a/src/content/members/sentry.json
+++ b/contrib/example-schema.json
@@ -1,6 +1,5 @@
 {
   "domain": "sentry.io",
-  "urlSource": "https://open.sentry.io/osspledge/data.json",
   "datetimeModified": "2024-07-19T12:24:46Z",
   "description": "Sentry has given to Open Source for soooooo many years.",
   "name": "Sentry",
diff --git a/members.csv b/members.csv
index 9bc9a537..ab4273f6 100644
--- a/members.csv
+++ b/members.csv
@@ -1 +1,2 @@
-sentry,https://open.sentry.io/funding/osspledge.json
+sentry,https://raw.githubusercontent.com/opensourcepledge/opensourcepledge.com/vladh/schema-continued/contrib/example-schema.json
+test,https://raw.githubusercontent.com/opensourcepledge/opensourcepledge.com/vladh/schema-continued/contrib/example-schema.json
diff --git a/package-lock.json b/package-lock.json
index 9dbcb235..955b2677 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
         "@sentry/astro": "^8.18.0",
         "@tailwindcss/typography": "^0.5.13",
         "astro": "^4.11.5",
+        "node-fetch": "^3.3.2",
         "tailwindcss": "^3.4.6",
         "typescript": "^5.5.3"
       }
@@ -3546,6 +3547,26 @@
         "node": ">=10"
       }
     },
+    "node_modules/@sentry/cli/node_modules/node-fetch": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@sentry/core": {
       "version": "8.18.0",
       "resolved": "https://registry.npmjs.org/@sentry/core/-/core-8.18.0.tgz",
@@ -4692,6 +4713,15 @@
         "node": ">=4"
       }
     },
+    "node_modules/data-uri-to-buffer": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
+      "integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/debug": {
       "version": "4.3.5",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.5.tgz",
@@ -5436,6 +5466,29 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/fetch-blob": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "paypal",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "node-domexception": "^1.0.0",
+        "web-streams-polyfill": "^3.0.3"
+      },
+      "engines": {
+        "node": "^12.20 || >= 14.13"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -5485,6 +5538,18 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/formdata-polyfill": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
+      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
+      "license": "MIT",
+      "dependencies": {
+        "fetch-blob": "^3.1.2"
+      },
+      "engines": {
+        "node": ">=12.20.0"
+      }
+    },
     "node_modules/fraction.js": {
       "version": "4.3.7",
       "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.3.7.tgz",
@@ -5919,23 +5984,41 @@
         "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
       }
     },
+    "node_modules/node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "github",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.5.0"
+      }
+    },
     "node_modules/node-fetch": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
-      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
+      "integrity": "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==",
+      "license": "MIT",
       "dependencies": {
-        "whatwg-url": "^5.0.0"
+        "data-uri-to-buffer": "^4.0.0",
+        "fetch-blob": "^3.1.4",
+        "formdata-polyfill": "^4.0.10"
       },
       "engines": {
-        "node": "4.x || >=6.0.0"
-      },
-      "peerDependencies": {
-        "encoding": "^0.1.0"
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
       },
-      "peerDependenciesMeta": {
-        "encoding": {
-          "optional": true
-        }
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/node-fetch"
       }
     },
     "node_modules/node-releases": {
@@ -8072,7 +8155,8 @@
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "license": "MIT"
     },
     "node_modules/ts-interface-checker": {
       "version": "0.1.13",
@@ -8238,10 +8322,20 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/web-streams-polyfill": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "license": "BSD-2-Clause"
     },
     "node_modules/webpack-sources": {
       "version": "3.2.3",
@@ -8260,6 +8354,7 @@
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "license": "MIT",
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
diff --git a/package.json b/package.json
index 5665b572..53bb2b2e 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "@sentry/astro": "^8.18.0",
     "@tailwindcss/typography": "^0.5.13",
     "astro": "^4.11.5",
+    "node-fetch": "^3.3.2",
     "tailwindcss": "^3.4.6",
     "typescript": "^5.5.3"
   }
diff --git a/src/content/config.ts b/src/content/config.ts
index 20d85e5e..bd67bf44 100644
--- a/src/content/config.ts
+++ b/src/content/config.ts
@@ -38,7 +38,6 @@ export const collections = {
     schema: z
       .object({
         domain: z.string(),
-        urlSource: z.string().url(),
         datetimeModified: z.string().datetime(),
       })
       .merge(memberProvidedData),
diff --git a/src/content/members/.gitkeep b/src/content/members/.gitkeep
new file mode 100644
index 00000000..e69de29b