tmolavi/mcp-agent-skills-hub/alloydb-postgres-health
Claude Code and agent skill by tmolavi/mcp-agent-skills-hub
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Checking that the SKILL.md file is still in the repository.
Use these skills when you need to optimize storage, identify index issues,
Install
npx vskill@latest install tmolavi/mcp-agent-skills-hub/alloydb-postgres-healthSKILL.md
Usage
All scripts can be executed using Node.js. Replace <param_name> and <param_value> with actual values.
Bash: node <skill_dir>/scripts/<script_name>.js '{"<param_name>": "<param_value>"}'
PowerShell: node <skill_dir>/scripts/<script_name>.js '{\"<param_name>\": \"<param_value>\"}'
Note: The scripts automatically load the environment variables from various .env files. Do not ask the user to set vars unless skill executions fails due to env var absence.
Scripts
database_overview
Fetches the current state of the PostgreSQL server, returning the version, whether it's a replica, uptime duration, maximum connection limit, number of current connections, number of active connections, and the percentage of connections in use.
get_column_cardinality
Estimates the number of unique values (cardinality) quickly for one or all columns in a specific PostgreSQL table by using the database's internal statistics, returning the results in descending order of estimated cardinality. Please run ANALYZE on the table before using this tool to get accurate results. The tool returns the column_name and the estimated_cardinality. If the column_name is not provided, the tool returns all columns along with their estimated cardinality.
Parameters
| Name | Type | Description | Required | Default | |
|---|---|---|---|---|---|
| schema_name | string | Optional: The schema name in which the table is present. | No | ||
| table_name | string | Required: The table name in which the column is present. | Yes | ||
| column_name | string | Optional: The column name for which the cardinality is to be found. If not provided, cardinality for all columns will be returned. | No |
get_instance
Retrieves details about a specific AlloyDB instance.
Parameters
| Name | Type | Description | Required | Default | |
|---|---|---|---|---|---|
| project | string | The GCP project ID. This is pre-configured; do not ask for it unless the user explicitly provides a different one. | No | ||
| location | string | The location of the instance (e.g., 'us-central1'). | Yes | ||
| cluster | string | The ID of the cluster. | Yes | ||
| instance | string | The ID of the instance. | Yes |
list_autovacuum_configurations
List PostgreSQL autovacuum-related configurations (name and current setting) from pg_settings.
list_invalid_indexes
Lists all invalid PostgreSQL indexes which are taking up disk space but are unusable by the query planner. Typically created by failed CREATE INDEX CONCURRENTLY operations.
list_table_stats
Lists the user table statistics in the database ordered by number of sequential scans with a default limit of 50 rows. Returns the following columns: schema name, table name, table size in bytes, number of sequential scans, number of index scans, idx_scan_ratio_percent (showing the percentage of total scans that utilized an index, where a low ratio indicates missing or ineffective indexes), number of live rows, number of dead rows, dead_row_ratio_percent (indicating potential table bloat), total number of rows inserted, updated, and deleted, the timestamps for the last_vacuum, last_autovacuum, and last_autoanalyze operations.
Parameters
| Name | Type | Description | Required | Default | |
|---|---|---|---|---|---|
| schema_name | string | Optional: A specific schema name to filter by | No | ||
| table_name | string | Optional: A specific table name to filter by | No | ||
| owner | string | Optional: A specific owner to filter by | No | ||
| sort_by | string | Optional: The column to sort by | No | ||
| limit | integer | Optional: The maximum number of results to return | No | 50 |
list_tablespaces
Parameters
| Name | Type | Description | Required | Default | |
|---|---|---|---|---|---|
| tablespace_name | string | Optional: a text to filter results by tablespace name. The input is used within a LIKE clause. | No | `` | |
| limit | integer | Optional: The maximum number of rows to return. | No | 50 |
list_top_bloated_tables
List the top tables by dead-tuple (approximate bloat signal), returning schema, table, live/dead tuples, percentage, and last vacuum/analyze times.
Parameters
| Name | Type | Description | Required | Default | |
|---|---|---|---|---|---|
| limit | integer | The maximum number of results to return. | No | 50 |
Security
- Security scanPassed, 100 of 100Pattern checks on the skill's files.
- Model reviewPassed
Quality evaluation
- Task evaluationNot runNo evaluation yet. Run one in Skill Studio.
Source
- SKILL.md in the repositoryCheckingskills/alloydb-postgres-health/SKILL.md
Popularity
- Repository stars
- 8
- 7-day trend score
- 11
Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.
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