# Chroma Vector DB MCP Server (chroma-mcp) - AgentBreakWatch Reference

> TL;DR Verdict: Chroma Vector DB MCP Server (`chroma-mcp`) is currently at v0.2.6 on PYPI (published 2025-08-14), with a 90-day Stability Score of 81/100 (B) and MEDIUM schema drift risk across 0 releases in the last 90 days. Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx chroma-mcp@latest deployments risk parameter drift across chroma_query_documents and chroma_add_documents.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/chroma-mcp-pypi
- Category Hub: https://agentbreakwatch.vercel.app/c/database-backend (Database, SQL & Vector DB MCP Servers Stability Index)
- Package Name: `chroma-mcp`
- Registry: PYPI (https://pypi.org/project/chroma-mcp/)
- GitHub Repository: https://github.com/chroma-core/chroma-mcp
- Vendor: Chroma
- Latest Live Version: v0.2.6
- Published Date: 2025-08-14T15:33:48.099548Z
- 90-Day Release Count: 0
- Direct Dependencies: 13
- License: Apache-2.0
- Stability Score: 81/100 (Grade B)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `uvx chroma-mcp@0.2.6`
- Watched Symbols / MCP Tools: chroma_query_documents, chroma_add_documents, chroma_list_collections
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx chroma-mcp@latest deployments risk parameter drift across chroma_query_documents and chroma_add_documents.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"chroma-mcp-pypi": {
  "command": "uvx",
  "args": ["chroma-mcp"]
}
```

## Migration Diff: After (Verified v0.2.6 Pattern)
```
"chroma-mcp-pypi": {
  "command": "uvx",
  "args": ["chroma-mcp@0.2.6"],
  "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
}
```

## Recent Verified Releases
- v0.2.6 (published 2025-08-14) [LATEST]
- v0.2.5 (published 2025-06-19)
- v0.2.4 (published 2025-05-22)
- v0.2.3 (published 2025-05-22)
- v0.2.2 (published 2025-04-08)
- v0.2.1 (published 2025-04-04)