Get recent messages around a specific message ID within its chat (context accuracy depends on fetch limit).
AI agents call get_message_context to retrieve information from WhatsApp MCP Stream without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries existing messages for context purposes. It performs a read-only operation—fetching messages around a specific ID—without side effects like modifying, deleting, or executing operations. The blast radius is minimal as it only exposes already-stored message content the user has access to.
From the tool's definition Tool name 'get_message_context' and description 'Get recent messages around a specific message ID' indicate retrieval of historical message data with no modification, creation, or deletion of data.
Attacks that exploit this kind of access
Get recent messages around a specific message ID within its chat (context accuracy depends on fetch limit). It is categorised as a Read tool in the WhatsApp MCP Stream MCP Server, which means it retrieves data without modifying state.
Register the WhatsApp MCP Stream MCP server in PolicyLayer and add a rule for get_message_context: 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 WhatsApp MCP Stream. Nothing to install.
get_message_context 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 get_message_context 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 get_message_context. 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.
get_message_context is provided by the WhatsApp MCP Stream MCP server (loglux/whatsapp-mcp-stream). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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