What broke since your version, for 60 popular APIs/SDKs. Free quick check; full reports via x402.
Connect Remote server
claude mcp add --transport http api-change-feed https://changefeed.dev/mcp
{
"mcpServers": {
"api-change-feed": {
"url": "https://changefeed.dev/mcp"
}
}
}
{
"servers": {
"api-change-feed": {
"type": "http",
"url": "https://changefeed.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://changefeed.dev/mcp
Tools 6 found in our last check
list_sourcesList the 60 APIs/SDKs we track, each one's ecosystem (npm or pypi) and the package names to query them by. Free.
preview_changesLatest five breaking/deprecation/security headlines across all sources, to check freshness. Free.
quick_checkFree. Before writing code against a library you may know only from older training data, check whether it changed since that version: verdict, major versions crossed, how many breaking changes, deprecations and security fixes, and the top three breaking headlines. Call upgrade_ch…
upgrade_checkWhat changed in a package since the version your code targets: breaking changes, deprecations, security fixes and major versions crossed, with the sentence that triggered each label. Call this before writing code against a library you may know only from older training data. Cost…
get_changesNormalized change records (breaking, deprecation, security, release) for one tracked API/SDK or all of them, filterable by date and kind. Costs $0.005 (x402, USDC).
digestEverything breaking, deprecated or security-related across all tracked sources since a date, grouped by source. Costs $0.02 (x402, USDC).
Details
| Endpoint | https://changefeed.dev/mcp (Streamable HTTP) |
| First published | 6 Nov 2026 |
| Last updated | 6 Nov 2026 |
| Registry name | dev.changefeed/api-change-feed |
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