This record as markdown: /tools/htlin222-openevidence-mcp/oe-collections-sync-db.md
What oe_collections_sync_db does on :
AI agents call oe_collections_sync_db to permanently remove resources in :, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why oe_collections_sync_db is rated Critical
The tool irreversibly deletes (prunes) local collections and memberships that are no longer present on the server. While it is a sync/refresh operation, the pruning step is a destructive, non-reversible deletion of local data, making Destructive the most appropriate category.
From the tool's definition Prunes collections + memberships the server no longer reports
Attacks that exploit this kind of access
The rule that runs oe_collections_sync_db safely
PolicyLayer is an MCP gateway: it sits between your AI agents and :, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For oe_collections_sync_db, this is the rule to start with:
oe_collections_sync_db is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect :, apply this rule, and every oe_collections_sync_db call is checked against it from then on.
Questions about oe_collections_sync_db
Refresh collections and memberships from the API into local SQLite. Prunes collections + memberships the server no longer reports. It is categorised as a Destructive tool in the : MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the : MCP server in PolicyLayer and add a rule for oe_collections_sync_db: 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 :. Nothing to install.
oe_collections_sync_db is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the oe_collections_sync_db 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 oe_collections_sync_db. 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.
oe_collections_sync_db is provided by the : MCP server (htlin222/openevidence-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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