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Update Spec Types

Update Spec Types #1

name: Update Spec Types
on:
schedule:
# Run nightly at 4 AM UTC
- cron: '0 4 * * *'
workflow_dispatch:
permissions:
contents: write
pull-requests: write
jobs:
update-spec-types:
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: '24'
- name: Install dependencies
run: npm ci
- name: Fetch latest spec types
run: npm run fetch:spec-types
- name: Check for changes
id: check_changes
run: |
if git diff --quiet src/spec.types.ts; then
echo "has_changes=false" >> $GITHUB_OUTPUT
else
echo "has_changes=true" >> $GITHUB_OUTPUT
LATEST_SHA=$(grep "Last updated from commit:" src/spec.types.ts | cut -d: -f2 | tr -d ' ')
echo "sha=$LATEST_SHA" >> $GITHUB_OUTPUT
fi
- name: Create Pull Request
if: steps.check_changes.outputs.has_changes == 'true'
env:
GH_TOKEN: ${{ github.token }}
run: |
git config user.name "github-actions[bot]"
git config user.email "github-actions[bot]@users.noreply.github.com"
git checkout -B update-spec-types
git add src/spec.types.ts
git commit -m "chore: update spec.types.ts from upstream"
git push -f origin update-spec-types
# Create PR if it doesn't exist, or update if it does
PR_BODY="This PR updates \`src/spec.types.ts\` from the Model Context Protocol specification.
Source file: https://github.com/modelcontextprotocol/modelcontextprotocol/blob/${{ steps.check_changes.outputs.sha }}/schema/draft/schema.ts
This is an automated update triggered by the nightly cron job."
if gh pr view update-spec-types &>/dev/null; then
echo "PR already exists, updating description..."
gh pr edit update-spec-types --body "$PR_BODY"
else
gh pr create \
--title "chore: update spec.types.ts from upstream" \
--body "$PR_BODY" \
--base main \
--head update-spec-types
fi