# Backlog MCP Server (backlog-mcp-server) - AgentBreakWatch Reference

> TL;DR Verdict: Backlog MCP Server (`backlog-mcp-server`) is currently at v0.23.2 on NPM (published 2026-10-23), with a 90-day Stability Score of 69/100 (C+) and HIGH schema drift risk across 25 releases in the last 90 days. recent release v0.23.2 (up from v0.23.1) updates Productivity & Docs MCP tool schemas and transport handling (25 releases in last 90d). Pin exact version v0.23.2 in .mcp.json to avoid silent parameter drift.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/backlog-mcp-server
- Category Hub: https://agentbreakwatch.vercel.app/c/productivity-docs (Productivity, Notion, Slack, Jira & Docs MCP Servers)
- Package Name: `backlog-mcp-server`
- Registry: NPM (https://www.npmjs.com/package/backlog-mcp-server)
- GitHub Repository: https://github.com/nulab/backlog-mcp-server
- Vendor: nulab
- Latest Live Version: v0.23.2
- Published Date: 2026-10-23T03:37:29.515Z
- 90-Day Release Count: 25
- Direct Dependencies: 10
- License: MIT
- Stability Score: 69/100 (Grade C+)
- Schema Drift Risk: HIGH
- Recommended Exact Pin Command: `npx -y backlog-mcp-server@0.23.2`
- Watched Symbols / MCP Tools: backlog-mcp-server, tools/list, tools/call
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
recent release v0.23.2 (up from v0.23.1) updates Productivity & Docs MCP tool schemas and transport handling (25 releases in last 90d). Pin exact version v0.23.2 in .mcp.json to avoid silent parameter drift.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"backlog-mcp-server": {
  "command": "npx",
  "args": ["-y", "backlog-mcp-server@latest"]
}
```

## Migration Diff: After (Verified v0.23.2 Pattern)
```
"backlog-mcp-server": {
  "command": "npx",
  "args": ["-y", "backlog-mcp-server@0.23.2"]
}
```

## Recent Verified Releases
- v0.23.2 (published 2026-10-23) [LATEST]
- v0.23.1 (published 2026-10-22)
- v0.23.0 (published 2026-10-21)
- v0.22.2 (published 2026-10-19)
- v0.22.1 (published 2026-10-19)
- v0.22.0 (published 2026-10-13)