postgres
PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement. Load when working with Postgres databases.
Install with Tessl CLI
npx tessl i github:planetscale/database-skills --skill postgresOverall
score
60%
Does it follow best practices?
Optimize this skill
If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:
npx tessl skill review --optimize ./path/to/skillEvaluation — 96%
↑ 1.32xAgent success when using this skill
Validation for skill structure
PlanetScale Postgres
Generic Postgres
| Topic | Reference | Use for |
|---|---|---|
| Schema Design | references/schema-design.md | Tables, primary keys, data types, foreign keys |
| Indexing | references/indexing.md | Index types, composite indexes, performance |
| Index Optimization | references/index-optimization.md | Unused/duplicate index queries, index audit |
| Partitioning | references/partitioning.md | Large tables, time-series, data retention |
| Query Patterns | references/query-patterns.md | SQL anti-patterns, JOINs, pagination, batch queries |
| Optimization Checklist | references/optimization-checklist.md | Pre-optimization audit, cleanup, readiness checks |
| MVCC and VACUUM | references/mvcc-vacuum.md | Dead tuples, long transactions, xid wraparound prevention |
Operations and Architecture
| Topic | Reference | Use for |
|---|---|---|
| Process Architecture | references/process-architecture.md | Multi-process model, connection pooling, auxiliary processes |
| Memory Architecture | references/memory-management-ops.md | Shared/private memory layout, OS page cache, OOM prevention |
| MVCC Transactions | references/mvcc-transactions.md | Isolation levels, XID wraparound, serialization errors |
| WAL and Checkpoints | references/wal-operations.md | WAL internals, checkpoint tuning, durability, crash recovery |
| Replication | references/replication.md | Streaming replication, slots, sync commit, failover |
| Storage Layout | references/storage-layout.md | PGDATA structure, TOAST, fillfactor, tablespaces, disk mgmt |
| Monitoring | references/monitoring.md | pg_stat views, logging, pg_stat_statements, host metrics |
| Backup and Recovery | references/backup-recovery.md | pg_dump, pg_basebackup, PITR, WAL archiving, backup tools |
PlanetScale-Specific
| Topic | Reference | Use for |
|---|---|---|
| Connection Pooling | references/ps-connection-pooling.md | PgBouncer, pool sizing, pooled vs direct |
| Extensions | references/ps-extensions.md | Supported extensions, compatibility |
| Connections | references/ps-connections.md | Connection troubleshooting, drivers, SSL |
| Insights | references/ps-insights.md | Slow queries, MCP server, pscale CLI |
| CLI Commands | references/ps-cli-commands.md | pscale CLI reference, branches, deploy requests, auth |
| CLI API Insights | references/ps-cli-api-insights.md | Query insights via pscale api, schema analysis |
- Repository
- github.com/planetscale/database-skills
- Last updated
- Created
Is this your skill?
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.