onloon-normal-mail__extractSubjectContacts
按邮件标题提取公司/联系人信息（一步完成，禁止 Agent 多轮试错搜索）
This record as markdown: /tools/lxwl-mcp-server/onloon-normal-mail--extractsubjectcontacts.md
What onloon-normal-mail__extractSubjectContacts does on Lxwl
AI agents call onloon-normal-mail__extractSubjectContacts to retrieve information from Lxwl without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | |
title | string | — | |
ownerId | string | — | |
subject | string | — | |
mailboxId | string | — | |
scanPages | string | — | |
allVisibleOwners | boolean | — |
Parameters from the server's own tool schema.
Why onloon-normal-mail__extractSubjectContacts is rated Low
Even though onloon-normal-mail__extractSubjectContacts only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs onloon-normal-mail__extractSubjectContacts safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Lxwl, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For onloon-normal-mail__extractSubjectContacts, this is the rule to start with:
onloon-normal-mail__extractSubjectContacts is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Lxwl, apply this rule, and every onloon-normal-mail__extractSubjectContacts call is checked against it from then on.
Questions about onloon-normal-mail__extractSubjectContacts
按邮件标题提取公司/联系人信息（一步完成，禁止 Agent 多轮试错搜索）. It is categorised as a Read tool in the Lxwl MCP Server, which means it retrieves data without modifying state.
onloon-normal-mail__extractSubjectContacts accepts 7 parameters: limit, title, ownerId, subject, mailboxId, scanPages, allVisibleOwners. The full parameter table on this page comes from the server's own tool schema.
Register the Lxwl MCP server in PolicyLayer and add a rule for onloon-normal-mail__extractSubjectContacts: 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 Lxwl. Nothing to install.
onloon-normal-mail__extractSubjectContacts 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 onloon-normal-mail__extractSubjectContacts 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 onloon-normal-mail__extractSubjectContacts. 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.
onloon-normal-mail__extractSubjectContacts is provided by the Lxwl MCP server (@lxwl/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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