pg_migration_record
Record a migration in the schema version tracking table with status
This record as markdown: /tools/io-github-neverinfamous-postgres-mcp/pg-migration-record.md
What pg_migration_record does on PostgreSQL MCP Server
AI agents use pg_migration_record to create or update resources in PostgreSQL MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PostgreSQL MCP Server environment.
Why pg_migration_record is rated Medium
This tool writes a migration record into a tracking/versioning table. It creates or updates data in the database (recording migration status), which is a reversible write operation. It does not execute migrations itself, just records them. Misuse could corrupt migration history but is not irreversibly destructive.
From the tool's definition Record a migration in the schema version tracking table with status
Attacks that exploit this kind of access
The rule that runs pg_migration_record safely
PolicyLayer is an MCP gateway: it sits between your AI agents and PostgreSQL MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pg_migration_record, this is the rule to start with:
pg_migration_record stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect PostgreSQL MCP Server, apply this rule, and every pg_migration_record call is checked against it from then on.
Questions about pg_migration_record
Record a migration in the schema version tracking table with status. It is categorised as a Write tool in the PostgreSQL MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the PostgreSQL MCP Server MCP server in PolicyLayer and add a rule for pg_migration_record: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches PostgreSQL MCP Server. Nothing to install.
pg_migration_record is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the pg_migration_record rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for pg_migration_record. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
pg_migration_record is provided by the PostgreSQL MCP Server MCP server (@neverinfamous/postgres-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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