maintenance

DE//AGENT currently lists 5 resources under maintenance: 3 tutorials, 1 skill, 1 plugin. Everything below is derived from the live registry — counts, capabilities, verification state and security posture come from the curated records, never from marketing copy.

Documented learning objectives across these resources:

• Read an Iceberg metadata table to size the problem — via Iceberg Table Maintenance
• Pick a compaction strategy and rewrite interval — via Iceberg Table Maintenance
• Expire snapshots without breaking time travel — via Iceberg Table Maintenance
• Run the full standing checklist on one table you own — via Capstone — the standing lakehouse checklist
• Turn the four-part maintenance plan into a scheduled job with alerts — via Capstone — the standing lakehouse checklist
• Apply the escalation line — page only on a freshness-SLA threat — via Capstone — the standing lakehouse checklist
• Read a table-health report before planning maintenance — via Check lakehouse table health with Lakehouse Guard
• Generate a compaction plan instead of running compaction ad hoc — via Check lakehouse table health with Lakehouse Guard

1 more objectives live on the individual resource pages.

These resources map to stage: Lakehouse (5). Follow the four-phase roadmap to place this topic inside a progression instead of learning it in isolation.

Every entry, its shape and its trust state — sorted by the registry's composite score. This table is the honest version of a marketing comparison: no sponsored placements, no unverifiable claims.

How scores are computed: source quality score.

Highest composite score first:

1. Iceberg Table Maintenance score 36.5 — advanced
2. Capstone — the standing lakehouse checklist score 34.15 — intermediate
3. Check lakehouse table health with Lakehouse Guard score 34.15 — intermediate

Scores rank provenance, completeness and trust — read how verification works before adopting anything.

Reach for these with production experience: Iceberg Table Maintenance, Lakehouse Guard.

Security-flagged entries: Iceberg Table Maintenance (2 flags), Lakehouse Guard (3 flags). Flags mean the record declares capabilities like credential use or write access — read the security posture on each page before connecting.

• Iceberg Table Maintenance — Diagnoses small-file and manifest bloat and generates the compaction, snapshot expiry and orphan-file cleanup plan for an Iceberg table. details
• Capstone — the standing lakehouse checklist — Close the series by running the full checklist on one table you own: zones with gates, a deliberately chosen format, the three standing monitors, the four-part maintenance plan as … details
• Check lakehouse table health with Lakehouse Guard — Use the Lakehouse Guard plugin's three commands on a Delta/Iceberg table: /table-health for a status read, /plan-compaction for a maintenance plan, and /expire-snapshots for a safe… details
• Run the Iceberg maintenance routine — Work an Iceberg table through the maintenance skill's plan: read the files metadata table to size the problem, rewrite data files to a 128-256 MB target, rewrite manifests when the… details

Real install commands from the registry — read the source before running any of them:

npx de-agent-platform add iceberg-table-maintenance

Iceberg Table Maintenance — review first

amp plugin add de-agent/lakehouse-guard

Lakehouse Guard — review first

Adjacent topics: tutorial (3 shared), lakehouse (3 shared), plugin (2 shared), delta (2 shared), compaction (2 shared), snapshots (2 shared).

Study path: the roadmap places this topic in a progression · the scoring model explains the numbers · the trust rule catalog shows every security check these entries passed through.