Get source start time of a timeline item. Args: item_index: 0-based item index. Default: 0. track_type: 'video' or 'audio'. Default: 'video'. track_index: 1-based track index. Default: 1.
AI agents call ti_get_source_start_time to retrieve information from DaVinci Resolve MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about a timeline item's source timing. It has no side effects, cannot modify or delete data, and does not execute arbitrary code or trigger external operations. It is a simple data query operation characteristic of Read category tools. The blast radius of misuse is minimal—at worst, an agent queries unwanted timeline information.
From the tool's definition Tool name 'ti_get_source_start_time' and description 'Get source start time of a timeline item' indicate a retrieval operation. The parameters (item_index, track_type, track_index) are for querying specific timeline data.
Documented attack patterns abuse exactly the kind of access ti_get_source_start_time gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and DaVinci Resolve MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for ti_get_source_start_time:
{
"version": "1",
"default": "deny",
"tools": {
"ti_get_source_start_time": {}
}
}ti_get_source_start_time is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get source start time of a timeline item. Args: item_index: 0-based item index. Default: 0. track_type: 'video' or 'audio'. Default: 'video'. track_index: 1-based track index. Default: 1. It is categorised as a Read tool in the DaVinci Resolve MCP MCP Server, which means it retrieves data without modifying state.
Register the DaVinci Resolve MCP server in PolicyLayer and add a rule for ti_get_source_start_time: 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 DaVinci Resolve MCP. Nothing to install.
ti_get_source_start_time 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 ti_get_source_start_time 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 ti_get_source_start_time. 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.
ti_get_source_start_time is provided by the DaVinci Resolve MCP server (samuelgursky/davinci-resolve-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 369 DaVinci Resolve MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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369 DaVinci Resolve MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.