Page through every user that has added the OA as a friend. ⚠️ Region-gated: only TH / JP / TW OAs with premium tier can use this endpoint. Other OAs will get LINE 403. Args: - page_size: 1-1000 (default 300). - continuation_token: token from previous call (cursor pagination). - oa: optional OA id...
AI agents call line_list_followers to retrieve information from Line Oa Mcp Ultimate without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data (follower/friend list) without creating, modifying, or deleting anything. It is purely a read operation. Severity is medium rather than low because: (1) it exposes personally identifiable information (user IDs of all followers), (2) an agent could enumerate the entire user base, and (3) the data could be exfiltrated in bulk. However, it carries no destructive or financial risk.
From the tool's definition Tool name 'line_list_followers' and description 'Page through every user that has added the OA as a friend' — retrieves a paginated list of user IDs with no modification or deletion. Returns user_ids array, count, pagination tokens.
Risk signalsBulk/mass operation — affects multiple targets
Documented attack patterns abuse exactly the kind of access line_list_followers gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Line Oa Mcp Ultimate, and nothing reaches the server without passing your rules. This is the rule we recommend for line_list_followers:
{
"version": "1",
"default": "deny",
"tools": {
"line_list_followers": {}
}
}line_list_followers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Page through every user that has added the OA as a friend. ⚠️ Region-gated: only TH / JP / TW OAs with premium tier can use this endpoint. Other OAs will get LINE 403. Args: - page_size: 1-1000 (default 300). - continuation_token: token from previous call (cursor pagination). - oa: optional OA id. Returns: { user_ids: string[], count: number, has_more: boolean, next_continuation_token?: string } For very large OAs (50k+), prefer creating an engagement audience via line_build_audience_from_engagement rather than pulling all IDs. It is categorised as a Read tool in the Line Oa Mcp Ultimate MCP Server, which means it retrieves data without modifying state.
Register the Line Oa Mcp Ultimate MCP server in PolicyLayer and add a rule for line_list_followers: 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 Line Oa Mcp Ultimate. Nothing to install.
line_list_followers is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the line_list_followers 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 line_list_followers. 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.
line_list_followers is provided by the Line Oa Mcp Ultimate MCP server (wasintoh/line-oa-mcp-ultimate). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 34 Line Oa Mcp Ultimate tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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34 Line Oa Mcp Ultimate tools catalogued and risk-classified — across an index of 42,500+ MCP servers.