MCP server

Breaking Changes & Migration Data

io.github.nigelcox98/breaking-changes

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

What breaks when you upgrade a package, and what to use instead - from official docs.

Working at last checkAbout 430 tokens per request once connected3 tools

https://agentdataapi.onrender.com/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 3
Token cost: About 430 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http breaking-changes https://agentdataapi.onrender.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.breaking-changes]
url = "https://agentdataapi.onrender.com/mcp"

Gemini CLI

{"mcpServers":{"breaking-changes":{"httpUrl":"https://agentdataapi.onrender.com/mcp"}}}

Cursor

{"mcpServers":{"breaking-changes":{"url":"https://agentdataapi.onrender.com/mcp"}}}

VS Code

{"servers":{"breaking-changes":{"type":"http","url":"https://agentdataapi.onrender.com/mcp"}}}

Antigravity

agy mcp add breaking-changes https://agentdataapi.onrender.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"breaking-changes","server_url":"https://agentdataapi.onrender.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"breaking-changes","server_url":"https://agentdataapi.onrender.com/mcp"}

check_upgrade_safety ~156 tokens
Given a package and the version you are upgrading TO, return a concise checklist an agent can act on: the count of breaking changes, the highest-risk removals, whether automated codemods exist, and the recommended upgrade path. Use before performing an upgrade.
get_breaking_changes ~185 tokens
Get breaking changes for a package upgrade: removed APIs with their replacements and the reason for each, changed defaults, behavior changes, known incompatible dependencies, official source URL, and codemod/automated-fix commands. Omit `version` to get every tracked version. Use this instead of rel
list_packages ~89 tokens
List every package with breaking-change data available, including tracked versions and how many breaking changes each has. Call this first if you are unsure whether a package is covered.

Upgrade Brief
Breaking changes and changelogs between two npm or PyPI package versions, from real release notes.
UpgradeLens
npm/PyPI package dependency upgrade reviews: security, runtime compatibility, cited migration.
FactGrid (Renamed to FactReason)
Renamed to FactReason. Now published as io.github.factreason/factreason — please use that entry.
Dep Diff
Translates a lockfile diff into a human-readable upgrade plan for npm, PyPI, and GitHub Actions.
Tseha
Serves your design system and coding standards to coding agents, so they stop guessing.
What's New
Changelogs for apps, games and operating systems. Ask what shipped since the version you run.
AgentBreakWatch
Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.
Canton Ccpedia
Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.

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