search_and_extract
AI agents call search_and_extract to retrieve information from PostCrawl MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs search and content extraction from Reddit and social media, which are read operations that retrieve data without modifying or deleting it. Severity is medium rather than low because bulk extraction from social media could enable scraping violations, terms-of-service breaches, or privacy concerns (gathering user-generated content at scale), though it has no direct destructive capability.
From the tool's definition Tool name 'search_and_extract' combined with server purpose of 'search and extract content from social media platforms, particularly Reddit' indicates data retrieval operations. The description is empty, reducing confidence slightly.
Attacks that exploit this kind of access
search_and_extract. It is categorised as a Read tool in the PostCrawl MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PostCrawl MCP Server MCP server in PolicyLayer and add a rule for search_and_extract: 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 PostCrawl MCP Server. Nothing to install.
search_and_extract 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 search_and_extract 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 search_and_extract. 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.
search_and_extract is provided by the PostCrawl MCP Server MCP server (post-crawl/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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