Search Oracle knowledge base using hybrid search (FTS5 keywords + ChromaDB vectors). Finds relevant principles, patterns, learnings, or retrospectives. Falls back to FTS5-only if ChromaDB unavailable.
AI agents call oracle_search to retrieve information from Oracle MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs information retrieval operations only. It searches and queries existing knowledge without creating, modifying, deleting, or executing operations. The hybrid search mechanism (full-text search + vector similarity) is inherently a read operation. Misuse would be limited to retrieving unintended information, representing low severity exposure.
From the tool's definition Tool description explicitly states it 'Search[es] Oracle knowledge base' and 'Finds relevant principles, patterns, learnings, or retrospectives.' Uses hybrid search (FTS5 keywords + ChromaDB vectors) which are read-only query mechanisms.
Attacks that exploit this kind of access
Search Oracle knowledge base using hybrid search (FTS5 keywords + ChromaDB vectors). Finds relevant principles, patterns, learnings, or retrospectives. Falls back to FTS5-only if ChromaDB unavailable. It is categorised as a Read tool in the Oracle MCP MCP Server, which means it retrieves data without modifying state.
Register the Oracle MCP server in PolicyLayer and add a rule for oracle_search: 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 Oracle MCP. Nothing to install.
oracle_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the oracle_search 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 oracle_search. 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.
oracle_search is provided by the Oracle MCP server (laris-co/oracle-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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