util_feed_discover
Find RSS, Atom, and JSON feeds so agents can subscribe instead of scrape.
This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/util-feed-discover.md
What util_feed_discover does on Delx Mcp A2a
AI agents call util_feed_discover to retrieve information from Delx Mcp A2a without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string | Yes | URL to inspect |
timeout | integer | — | Timeout in seconds (1-15) |
Parameters from the server's own tool schema.
Why util_feed_discover is rated Low
This tool discovers feed sources for subscription purposes. It retrieves metadata about feeds without modifying data, executing code, or creating side effects beyond enabling subsequent subscriptions. The action is read-only discovery of publicly available feed information.
From the tool's definition Tool description states it 'Find[s] RSS, Atom, and JSON feeds' — a discovery/query operation with no modification, deletion, or execution of external code.
Risk signalsAccepts URL/endpoint input (url)
Attacks that exploit this kind of access
The rule that runs util_feed_discover safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_feed_discover, this is the rule to start with:
util_feed_discover is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every util_feed_discover call is checked against it from then on.
Questions about util_feed_discover
Find RSS, Atom, and JSON feeds so agents can subscribe instead of scrape. It is categorised as a Read tool in the Delx Mcp A2a MCP Server, which means it retrieves data without modifying state.
util_feed_discover accepts 2 parameters: url, timeout. Required: url. The full parameter table on this page comes from the server's own tool schema.
Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for util_feed_discover: 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 Delx Mcp A2a. Nothing to install.
util_feed_discover 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 util_feed_discover 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 util_feed_discover. 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.
util_feed_discover is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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