What Broke This Week
A weekly record of what changed across the 258 agent SDKs and MCP servers we track: major version jumps, 0.x minor bumps, deprecated packages, and releases in the big SDKs. Each week is built from npm and PyPI publish data and links to the package pages.
- Nov 2 to Nov 8, 20262026-w45 · in progress
46 releases across 22 of 258 tracked Agent SDKs and MCP servers, with no major version jumps so far.
- Oct 26 to Nov 1, 20262026-w44
572 releases across 107 of 258 tracked Agent SDKs and MCP servers, with 3 major version jumps.
Major: pi-mcp-adapter 7.0.0, @nexus2520/bitbucket-mcp-server 4.0.0, @n8n/mcp-apps 1.0.0
- Oct 19 to Oct 25, 20262026-w43
516 releases across 116 of 258 tracked Agent SDKs and MCP servers, with 8 major version jumps.
Major: @mcpjam/sdk 10.0.0, @mistralai/mistralai 3.0.0, anthropic 2.0.0, @anthropic-ai/sdk 1.0.0 and 4 more
- Oct 12 to Oct 18, 20262026-w42
478 releases across 98 of 258 tracked Agent SDKs and MCP servers, with 5 major version jumps.
Major: @azure/mcp 3.0.0, @qase/mcp-server 3.0.0, @hostinger/mcp 3.0.0, @brightdata/mcp 4.0.0 and 1 more
- Oct 5 to Oct 11, 20262026-w41
577 releases across 110 of 258 tracked Agent SDKs and MCP servers, with 4 major version jumps.
Major: @mcpjam/sdk 9.0.0, @wdio/mcp 4.0.0, @rigour-labs/mcp 7.0.0, @brightdata/mcp 3.0.0
- Sep 28 to Oct 4, 20262026-w40
583 releases across 108 of 258 tracked Agent SDKs and MCP servers, with 6 major version jumps.
Major: @hostinger/mcp 2.0.0, @browserstack/mcp-server 2.0.0, @pandacss/mcp 2.0.0, pi-mcp-adapter 5.0.0 and 2 more
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