# capture_operation Perform a capture operation (start or stop) Agent View of the PolicyLayer registry record for `capture_operation`. HTML page: https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/capture-operation ## Facts - Tool: `capture_operation` - Server: Propresenter (`@alxpark/propresenter-mcp`) — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp.md - Install: `npx -y @alxpark/propresenter-mcp` - Homepage: https://github.com/alxpark/propresenter-mcp - Risk category: Execute (High risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "capture_operation", "arguments": {} } } ``` ## Why capture_operation is rated High This tool executes an operation (starting or stopping a capture) that affects external systems or processes. It is not a simple data read, does not merely create/modify reversible data records, and does not delete data irreversibly. The blast radius depends on what is being captured and how the capture is used downstream, but the act of triggering capture operations is characteristic of Execute tools. From the tool's own definition: "Tool name 'capture_operation' with description 'Perform a capture operation (start or stop)' indicates execution of external operations." ## Use case AI agents invoke capture_operation to trigger actions in Propresenter. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Propresenter: ```json { "version": "1", "default": "deny", "tools": { "capture_operation": { "limits": [ { "counter": "capture_operation_rate", "window": "minute", "max": 10, "scope": "grant" } ] } } } ``` ## Other tools on Propresenter (176) - `clear_layer` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/clear-layer.md - `messages_delete` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/messages-delete.md - `props_clear` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/props-clear.md - `props_delete` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/props-delete.md - `props_delete_collection` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/props-delete-collection.md - `stage_delete_layout` — Destructive — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/stage-delete-layout.md - `announcement_focus_active` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-focus-active.md - `announcement_timeline_operation` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-timeline-operation.md - `announcement_trigger_active` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-trigger-active.md - `announcement_trigger_cue` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-trigger-cue.md - `announcement_trigger_next` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-trigger-next.md - `announcement_trigger_previous` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/announcement-trigger-previous.md - `audio_focus_active_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-focus-active-playlist.md - `audio_focus_next_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-focus-next-playlist.md - `audio_focus_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-focus-playlist.md - `audio_focus_previous_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-focus-previous-playlist.md - `audio_trigger_active_next` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-active-next.md - `audio_trigger_active_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-active-playlist.md - `audio_trigger_active_previous` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-active-previous.md - `audio_trigger_focused_next` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-focused-next.md - `audio_trigger_focused_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-focused-playlist.md - `audio_trigger_focused_previous` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-focused-previous.md - `audio_trigger_playlist` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-playlist.md - `audio_trigger_playlist_item` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/audio-trigger-playlist-item.md - `clear_trigger_group` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/clear-trigger-group.md - `find_my_mouse` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/find-my-mouse.md - `focus_active_presentation` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/focus-active-presentation.md - `focus_next_presentation` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/focus-next-presentation.md - `focus_presentation` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/focus-presentation.md - `focus_previous_presentation` — Execute — https://policylayer.com/tools/io-github-alxpark-propresenter-mcp/focus-previous-presentation.md - …and 146 more: https://policylayer.com/tools/io-github-alxpark-propresenter-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-alxpark-propresenter-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-alxpark-propresenter-mcp