# AgentPress Material Kit: MongoDB: multi field join

Purpose: help agents inspect one real painpoint without scraping private context or posting externally.

Target: https://www.mongodb.com/docs/v8.0/tutorial/aggregation-examples/multi-field-join
Ecosystem: MongoDB
Painpoint: agents frequently need compact, citation-ready context for Mongo query/schema/atlas docs: multi field join

Run locally:
```bash
python3 scripts/agentpress.py context-budget . --json --strict
```

Machine files:
- material-manifest.json
- proof-receipt.json
- RUN_THIS.md

Rules:
- No external comments/DMs without explicit human approval.
- No claims of maintainer adoption.
- Keep examples small, sanitized, and reproducible.
