tag_media
Add and/or remove custom tags on a media asset (updates the sidecar only — the asset bytes and version history are untouched). Tags are de-duplicated. Returns the asset
This record as markdown: /tools/ai-featureboard-featureboard/tag-media.md
What tag_media does on FeatureBoard
AI agents use tag_media to create or update resources in FeatureBoard, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FeatureBoard environment.
Why tag_media is rated Medium
The tool modifies metadata (tags) on a media asset by updating its sidecar file. The underlying asset bytes and version history remain intact, making this a reversible Write operation. Since only metadata tags are changed and the actual asset is untouched, the blast radius is low.
From the tool's definition Add and/or remove custom tags on a media asset (updates the sidecar only — the asset bytes and version history are untouched)
Attacks that exploit this kind of access
The rule that runs tag_media safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FeatureBoard, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For tag_media, this is the rule to start with:
tag_media stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect FeatureBoard, apply this rule, and every tag_media call is checked against it from then on.
Questions about tag_media
Add and/or remove custom tags on a media asset (updates the sidecar only — the asset bytes and version history are untouched). Tags are de-duplicated. Returns the asset. It is categorised as a Write tool in the FeatureBoard MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FeatureBoard MCP server in PolicyLayer and add a rule for tag_media: 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 FeatureBoard. Nothing to install.
tag_media is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the tag_media 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 tag_media. 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.
tag_media is provided by the FeatureBoard MCP server (https://github.com/valentil/featureboard-mcp/releases/download/v0.7/featureboard.plugin). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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