Search for subtitles using OpenSubtitles API with comprehensive parameter support
AI agents call search_subtitles to retrieve information from OpenSubtitles MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The search_subtitles tool performs a query against the OpenSubtitles API to retrieve subtitle metadata. This is purely informational retrieval with no side effects, matching the 'Read' category definition (search, list, get, fetch). Even if an AI agent abuses this tool, the worst outcome is excessive API calls or information disclosure of publicly available subtitle metadata, resulting in low severity.
From the tool's definition Tool is described as 'Search for subtitles' which is a query/retrieval operation. The server description confirms it 'Enables searching and downloading subtitles' where searching is a read operation.
Attacks that exploit this kind of access
Search for subtitles using OpenSubtitles API with comprehensive parameter support. It is categorised as a Read tool in the OpenSubtitles MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenSubtitles MCP Server MCP server in PolicyLayer and add a rule for search_subtitles: 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 OpenSubtitles MCP Server. Nothing to install.
search_subtitles 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_subtitles 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_subtitles. 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_subtitles is provided by the OpenSubtitles MCP Server MCP server (opensubtitles/mcp.opensubtitles.com). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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