Post content to social media platforms
Part of the Arch Tools Mcp server.
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AI agents use social-post to create or modify resources in Arch Tools Mcp. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call social-post repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Arch Tools Mcp.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"social-post": {
"limits": [
{
"counter": "social-post_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Arch Tools Mcp policy for all 64 tools.
These attack patterns abuse exactly the kind of access social-post gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Post content to social media platforms. It is categorised as a Write tool in the Arch Tools Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Arch Tools MCP server in PolicyLayer and add a rule for 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 Arch Tools Mcp. Nothing to install.
social-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 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.
Set action: deny in the PolicyLayer policy for 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.
social-post is provided by the Arch Tools MCP server (https://arch-tools-mcp.onrender.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 64 Arch Tools Mcp tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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