AI agents call chronica_list_threads to retrieve information from Chronica without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'list' operation is a standard Read category action that retrieves and displays existing data. Given the server's purpose as a persistent memory system and the naming convention of sibling tools, this tool almost certainly queries and returns thread information without side effects. No destructive, financial, or code execution capability is evident.
From the tool's definition Tool name 'chronica_list_threads' indicates a listing/retrieval operation. Description is empty, but sibling tools like 'chronica_get_thread_info', 'chronica_get_last_seen', and 'chronica_search' are all clearly Read operations, suggesting this tool follows…
Attacks that exploit this kind of access
chronica_list_threads. It is categorised as a Read tool in the Chronica MCP Server, which means it retrieves data without modifying state.
Register the Chronica MCP server in PolicyLayer and add a rule for chronica_list_threads: 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 Chronica. Nothing to install.
chronica_list_threads 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 chronica_list_threads 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 chronica_list_threads. 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.
chronica_list_threads is provided by the Chronica MCP server (nic9dev/chronica). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
chronica_list_threads is one line of Chronica's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →