retrieve_memory
Retrieve a memory by key
This record as markdown: /tools/coder-rl-claude-mcpserver-dev1/retrieve-memory.md
What retrieve_memory does on Claude MCP Server Ecosystem
AI agents call retrieve_memory to retrieve information from Claude MCP Server Ecosystem without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why retrieve_memory is rated Low
This tool fetches stored memory using a key lookup, which is a query operation that does not modify, create, execute, delete, or move data. It belongs in the Read category with low severity since unauthorized retrieval of memory data, while a privacy concern, does not cause irreversible damage, financial loss, or trigger external operations.
From the tool's definition Tool name 'retrieve_memory' and description 'Retrieve a memory by key' indicate a data retrieval operation with no side effects. The verb 'retrieve' is a classic read operation that queries existing data.
Attacks that exploit this kind of access
The rule that runs retrieve_memory safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP Server Ecosystem, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For retrieve_memory, this is the rule to start with:
retrieve_memory 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 Claude MCP Server Ecosystem, apply this rule, and every retrieve_memory call is checked against it from then on.
Questions about retrieve_memory
Retrieve a memory by key. It is categorised as a Read tool in the Claude MCP Server Ecosystem MCP Server, which means it retrieves data without modifying state.
Register the Claude MCP Server Ecosystem MCP server in PolicyLayer and add a rule for retrieve_memory: 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 Claude MCP Server Ecosystem. Nothing to install.
retrieve_memory 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 retrieve_memory 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 retrieve_memory. 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.
retrieve_memory is provided by the Claude MCP Server Ecosystem MCP server (coder-rl/claude_mcpserver_dev1). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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