Get the chat history for a given chat blob id until the limit is reached retrieve saved chat history. By default, this will retrieve history entries associated with your API key. If you provide a specific sdkUniqueId, it will retrieve history entries associated with that chat blob id. Args: sdkUn...
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AI agents call chaingpt_get_chat_history to retrieve information from ChainGPT MCP without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though chaingpt_get_chat_history only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"chaingpt_get_chat_history": {}
}
}See the full ChainGPT MCP policy for all 3 tools.
These attack patterns abuse exactly the kind of access chaingpt_get_chat_history gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Get the chat history for a given chat blob id until the limit is reached retrieve saved chat history. By default, this will retrieve history entries associated with your API key. If you provide a specific sdkUniqueId, it will retrieve history entries associated with that chat blob id. Args: sdkUniqueId (str): The unique identifier for the chat. limit (int, optional): The maximum number of chat history items to return. Default is 10. offset (int, optional): The offset to start the chat history from. Default is 0. sortBy (str, optional): The field to sort the chat history by. Default is 'createdAt'. sortOrder (str, optional): The order to sort the chat history by. Default is 'ASC'. Returns: The chat history for the given chat blob id until the limit is reached.. It is categorised as a Read tool in the ChainGPT MCP MCP Server, which means it retrieves data without modifying state.
Register the ChainGPT MCP server in PolicyLayer and add a rule for chaingpt_get_chat_history: 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 ChainGPT MCP. Nothing to install.
chaingpt_get_chat_history 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 chaingpt_get_chat_history 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 chaingpt_get_chat_history. 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.
chaingpt_get_chat_history is provided by the ChainGPT MCP server (kohasummons/chaingpt-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 ChainGPT MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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