This record as markdown: /tools/1146345502-reddit-skills/save-post.md
What save_post does on Reddit Skills
AI agents use save_post to create or update resources in Reddit Skills, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Reddit Skills environment.
Why save_post is rated Medium
This tool creates or modifies user data (the saved posts collection) in a reversible manner. It can be undone by unsaving. It does not execute code, trigger external operations, delete data irreversibly, or move money. The blast radius is minimal: a misused agent could clutter a user's saved posts, but the action is easily remedied. Classified as Write with low severity.
From the tool's definition Tool performs 'Save or unsave a Reddit post' — a reversible operation that modifies user state (saved posts list) without deleting or executing external code.
Attacks that exploit this kind of access
The rule that runs save_post safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Reddit Skills, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For save_post, this is the rule to start with:
save_post 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 Reddit Skills, apply this rule, and every save_post call is checked against it from then on.
Questions about save_post
Save or unsave a Reddit post. It is categorised as a Write tool in the Reddit Skills MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Reddit Skills MCP server in PolicyLayer and add a rule for save_post: 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 Reddit Skills. Nothing to install.
save_post 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 save_post 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 save_post. 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.
save_post is provided by the Reddit Skills MCP server (1146345502/reddit-skills). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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