figma_post_comment
A write tool on the Integrations MCP server.
This record as markdown: /tools/shriram-vasudevan-integrations-mcp/figma-post-comment.md
What figma_post_comment does on Integrations MCP
AI agents use figma_post_comment to create or update resources in Integrations MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Integrations MCP environment.
Why figma_post_comment is rated Medium
Posting a comment creates new data in Figma that can be viewed by collaborators and potentially trigger notifications. This is reversible (comments can be deleted) and has no financial or destructive implications. The severity is medium because misuse could spam collaborators or add misleading information to design discussions, but impact is contained to a single workspace/project.
From the tool's definition Tool name 'figma_post_comment' indicates creating/adding a comment to a Figma design file. The 'post' action semantically means creating or submitting new content.
Attacks that exploit this kind of access
The rule that runs figma_post_comment safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Integrations MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For figma_post_comment, this is the rule to start with:
figma_post_comment 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 Integrations MCP, apply this rule, and every figma_post_comment call is checked against it from then on.
Questions about figma_post_comment
figma_post_comment is a write tool on the Integrations MCP server. It is categorised as a Write tool in the Integrations MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Integrations MCP server in PolicyLayer and add a rule for figma_post_comment: 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 Integrations MCP. Nothing to install.
figma_post_comment 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 figma_post_comment 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 figma_post_comment. 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.
figma_post_comment is provided by the Integrations MCP server (shriram-vasudevan/integrations-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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