crow_media_add_source
Subscribe to an RSS/Atom feed, Google News search, or YouTube channel.
This record as markdown: /tools/kh0pper-crow/crow-media-add-source.md
What crow_media_add_source does on Crow
AI agents use crow_media_add_source to create or update resources in Crow, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Crow environment.
Why crow_media_add_source is rated Medium
This tool creates new subscriptions in the project management system, which constitutes data creation (Write category). It is reversible—subscriptions can be unsubscribed or deleted. While it modifies system state, it does not execute arbitrary code, delete data irreversibly, or move money.
From the tool's definition The tool description explicitly states 'Subscribe to an RSS/Atom feed, Google News search, or YouTube channel.' The word 'subscribe' indicates the tool creates or adds a new data record (a subscription) to the system, which is a reversible modification…
Attacks that exploit this kind of access
The rule that runs crow_media_add_source safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crow, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crow_media_add_source, this is the rule to start with:
crow_media_add_source 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 Crow, apply this rule, and every crow_media_add_source call is checked against it from then on.
Questions about crow_media_add_source
Subscribe to an RSS/Atom feed, Google News search, or YouTube channel. It is categorised as a Write tool in the Crow MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Crow MCP server in PolicyLayer and add a rule for crow_media_add_source: 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 Crow. Nothing to install.
crow_media_add_source 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 crow_media_add_source 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 crow_media_add_source. 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.
crow_media_add_source is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Crow, and thousands of servers like it.
This server
Across the catalogue