AI agents call reelgrep_search_subtitles to retrieve information from Reelgrep without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries subtitle data from a local video library using full-text search. It has no side effects—it only searches and returns results without creating, modifying, deleting, or executing any operations. This is a straightforward Read operation: search, list, and fetch category.
From the tool's definition Full-text search subtitle cues across the library (FTS5). Optionally scope to one video via file_hash. Returns hits both grouped by video and as a flat list. The tool performs searching and querying operations with no modification or deletion of data.
Attacks that exploit this kind of access
Full-text search subtitle cues across the library (FTS5). Optionally scope to one video via file_hash. Returns hits both grouped by video and as a flat list. It is categorised as a Read tool in the Reelgrep MCP Server, which means it retrieves data without modifying state.
Register the Reelgrep MCP server in PolicyLayer and add a rule for reelgrep_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 Reelgrep. Nothing to install.
reelgrep_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 reelgrep_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 reelgrep_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.
reelgrep_search_subtitles is provided by the Reelgrep MCP server (solomonneas/reelgrep-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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