# mysql_buffer_pool_stats

Get InnoDB buffer pool statistics.

Agent View of the PolicyLayer registry record for `mysql_buffer_pool_stats`. HTML page: https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-buffer-pool-stats

## Facts

- Tool: `mysql_buffer_pool_stats`
- Server: Mysql Mcp (`oci:docker.io/writenotenow/mysql-mcp:v1.0.0`) — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp.md
- Homepage: https://github.com/neverinfamous/mysql-mcp.git
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "mysql_buffer_pool_stats",
    "arguments": {}
  }
}
```

## Why mysql_buffer_pool_stats is rated Low

This tool retrieves and returns buffer pool statistics from InnoDB, which is a read-only diagnostic operation. It has no side effects, does not modify data, does not execute arbitrary code, and does not delete or create resources. The blast radius of misuse is minimal—an attacker could only gain visibility into database performance metrics, which is low-severity reconnaissance information.

From the tool's own definition: "Tool name 'mysql_buffer_pool_stats' and description 'Get InnoDB buffer pool statistics' indicate a retrieval operation that queries internal database statistics without modification or execution of external operations."

## Use case

AI agents call mysql_buffer_pool_stats to retrieve information from Mysql Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mysql Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "mysql_buffer_pool_stats": {}
  }
}
```

## Other tools on Mysql Mcp (222)

- `mysql_audit_restore_backup` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-audit-restore-backup.md
- `mysql_cascade_simulator` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-cascade-simulator.md
- `mysql_doc_drop_collection` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-doc-drop-collection.md
- `mysql_doc_remove` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-doc-remove.md
- `mysql_drop_partition` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-drop-partition.md
- `mysql_drop_schema` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-drop-schema.md
- `mysql_drop_table` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-drop-table.md
- `mysql_drop_view` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-drop-view.md
- `mysql_event_drop` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-event-drop.md
- `mysql_force_index` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-force-index.md
- `mysql_fulltext_drop` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-fulltext-drop.md
- `mysql_json_remove` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-json-remove.md
- `mysql_migration_rollback` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-migration-rollback.md
- `mysql_role_drop` — Destructive — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-role-drop.md
- `mysql_analyze_table` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-analyze-table.md
- `mysql_create_dump` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-create-dump.md
- `mysql_event_create` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-event-create.md
- `mysql_flush_tables` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-flush-tables.md
- `mysql_json_merge` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-json-merge.md
- `mysql_migration_apply` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-migration-apply.md
- `mysql_optimize_table` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-optimize-table.md
- `mysql_spatial_intersection` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-spatial-intersection.md
- `mysql_spatial_transform` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-spatial-transform.md
- `mysql_stats_row_number` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-stats-row-number.md
- `mysql_transaction_begin` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-transaction-begin.md
- `mysql_transaction_execute` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-transaction-execute.md
- `mysqlsh_run_script` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysqlsh-run-script.md
- `proxysql_commands` — Execute — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/proxysql-commands.md
- `mysql_audit_diff_backup` — Read — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-audit-diff-backup.md
- `mysql_audit_list_backups` — Read — https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp/mysql-audit-list-backups.md
- …and 192 more: https://policylayer.com/tools/io-github-neverinfamous-mysql-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-neverinfamous-mysql-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-neverinfamous-mysql-mcp
