// MCP TOOL REFERENCE

preview_social_post

ServerSolar2D MCP Server
CategoryExecute

WHAT IT DOES

What preview_social_post does on Solar2D MCP Server

AI agents invoke preview_social_post to trigger actions in Solar2D MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

THE RISK

High Risk

Why preview_social_post needs a policy

The tool generates an HTML preview and opens it in a browser, and its description instructs running shell commands (git log). These constitute external execution side effects. While it is labeled a 'preview' (read-like intent), the act of opening a browser and running shell commands places it in the Execute category.

From the tool's definition 'Opens in browser' and the instruction to 'Run `git log --oneline --since=...' indicate this tool executes external processes (opens a browser, runs git commands) as side effects beyond mere data retrieval

Documented attack patterns abuse exactly the kind of access preview_social_post gives an agent:

POLICY

How to control preview_social_post

PolicyLayer is an MCP gateway — it sits between your AI agents and Solar2D MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for preview_social_post:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "preview_social_post": {
      "limits": [
        {
          "counter": "preview_social_post_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

preview_social_post stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Solar2D MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Solar2D MCP Server tools

Execute run_solar2d_project Run a Solar2D project in the simulator. Provide either a path to main.lua or a project dir Execute start_screenshot_recording Start recording screenshots from the Solar2D simulator. Screenshots are captured every 100 Execute stop_screenshot_recording Stop screenshot recording early. Execute simulate_drag Simulate a drag/swipe gesture in the Solar2D simulator. Specify start and end bounding box Execute simulate_tap Simulate a tap/click in the Solar2D simulator. Specify a bounding box using percentages an Write attach_to_trello_card Attach a file or Solar2D simulator screenshot to a Trello card. Write comment_trello_card Add a comment to a Trello card. Useful for logging progress, results, or notes. Write configure_social_media Configure social media posting via Late (getlate.dev). Save your Late API key to enable po

All 22 Solar2D MCP Server tools →

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Go deeper

High-risk tools in Solar2D MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about preview_social_post

What does the preview_social_post tool do? +

Generate an HTML preview of a social media post showing how it will appear on each platform (Twitter/Facebook card mockups). Opens in browser. Must preview before publishing. Supports attaching a simulator screenshot.\n\nIMPORTANT: Before calling this tool, help the user craft compelling post content. Run git log --oneline --since=. It is categorised as a Execute tool in the Solar2D MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on preview_social_post? +

Register the Solar2D MCP Server MCP server in PolicyLayer and add a rule for preview_social_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 Solar2D MCP Server. Nothing to install.

What risk level is preview_social_post? +

preview_social_post is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit preview_social_post? +

Yes. Add a rate_limit block to the preview_social_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.

How do I block preview_social_post completely? +

Set action: deny in the PolicyLayer policy for preview_social_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.

What MCP server provides preview_social_post? +

preview_social_post is provided by the Solar2D MCP Server MCP server (sensiblecoder/solar2d-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Solar2D MCP Server tool call.

Start from Solar2D MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

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22 Solar2D MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.