apollographql Overview
This skill updates the MCP Apps documentation based on changes in the @apollo/client-ai-apps CHANGELOG from a specified version onward. It reads the changelog, compares it against the current docs, and makes targeted edits — without committing.
What you need from the user
One thing: a minimum version (e.g., 0.6.0 or v0.6.2). All changelog entries from that version to the latest will be analyzed.
Step 1: Fetch the changelog
Use the GitHub CLI to fetch the full changelog:
gh api repos/apollographql/apollo-client-ai-apps/contents/CHANGELOG.md --jq '.content' | base64 -d
Step 2: Parse relevant versions
The changelog uses this structure:
## 0.6.5 (2026-03-23)
### Features
#### Feature title
Description and code examples...
### Fixes
#### Fix title
Description...
Collect all version sections where the version number is greater than or equal to the user's minimum version. Ignore everything below that version. Parse each section into: version number, date, list of features, list of fixes, and any breaking changes or deprecations called out explicitly.
Step 3: Read the docs
Read all six documentation files. Understand what each one covers before analyzing the changelog:
docs/source/mcp-apps.mdx— MCP Apps overview: what are MCP apps, high-level overview, architecture diagramdocs/source/mcp-apps-architecture.mdx— How MCP Apps work: the discovery and tool execution phases, architecture diagramsdocs/source/mcp-apps-quickstart.mdx— Step-by-step setup guide using the Apollo AI Apps Template; Vite plugin behavior; project structuredocs/source/mcp-apps-development.mdx— Day-to-day development patterns, directives, hooks, and client usagedocs/source/mcp-apps-prerequisites.mdx— System and account prerequisites before buildingdocs/source/mcp-apps-reference.mdx— API reference: directives (@tool,@prefetch,@private), hooks (useToolInfo, etc.), manifest, configuration
Step 4: Analyze the changes
For each changelog entry, decide whether a doc change is needed:
Features — Is this already documented? If not, which file is the right home?
- New hooks, directives, or client APIs belong in
mcp-apps-reference.mdx - Changes to how Vite plugin builds or generates files belong in
mcp-apps-quickstart.mdxormcp-apps-development.mdx - Changes to how the architecture works belong in
mcp-apps-architecture.mdx - New system requirements belong in
mcp-apps-prerequisites.mdx
Deprecations — Are the deprecated APIs mentioned positively in the docs? Add a deprecation notice near the relevant section and point to the replacement.
Breaking changes / behavior changes — Do the docs describe the old behavior as correct? Update them to reflect the new behavior.
Bug fixes — Generally skip these unless the docs explicitly described the buggy behavior as correct (e.g., documented a workaround that is no longer needed).
Step 5: Make the edits
Edit the affected files directly using available tools. As you do:
- Match the existing tone, MDX component usage (e.g.,
<Note>, code fences with language tags), and heading levels - Insert new content in the section that makes the most sense contextually, not just at the end of the file
- For deprecations, add a notice near the existing mention — don't remove the old API from docs until it's actually gone
- For breaking changes, update the description in place so readers see the current behavior
- Keep each change minimal and traceable to its changelog entry
- Write as if the behavior or code was always that way. DO NOT write in past tense (avoid language such as "previously it was x, now it is y")
Do not commit. Leave all edits as unstaged file changes for the user to review.
Step 6: Summarize what you did
Give the user a concise report:
- Which files were modified
- For each change: what was updated and which changelog entry it corresponds to
- Which changelog entries were skipped and why (e.g., "internal fix, no user-facing behavior change")