This record as markdown: /tools/io-github-bitsandtea-postking-mcp/update-publication.md
What update_publication does on Postking Mcp
AI agents use update_publication to create or update resources in Postking Mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Postking Mcp environment.
Why update_publication is rated Medium
This tool modifies existing blog publications but does not delete or irreversibly destroy data (which would be Destructive), nor does it execute arbitrary code or trigger external side effects dependent on arguments (which would be Execute). It is a straightforward write operation with reversible effects.
From the tool's definition Tool name 'update_publication' and description 'Update an existing blog publication' indicate modification of existing data. The verb 'update' is explicitly a write operation that modifies content reversibly.
Attacks that exploit this kind of access
The rule that runs update_publication safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Postking Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_publication, this is the rule to start with:
update_publication 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 Postking Mcp, apply this rule, and every update_publication call is checked against it from then on.
Questions about update_publication
Update an existing blog publication. It is categorised as a Write tool in the Postking Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Postking MCP server in PolicyLayer and add a rule for update_publication: 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 Postking Mcp. Nothing to install.
update_publication 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 update_publication 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 update_publication. 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.
update_publication is provided by the Postking MCP server (postking-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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