Add a memory or piece of information to remember, stored on the daily page with tag.
AI agents use roam_remember to create or update resources in Roam Research MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Roam Research MCP Server environment.
This tool creates and stores new information on a daily page within the Roam graph. This is a Write operation—it modifies the knowledge base by adding entries, but does so reversibly (entries can be edited or deleted later). There is no data destruction, execution of code, financial impact, or irreversible action.
From the tool's definition Tool name 'roam_remember' and description 'Add a memory or piece of information to remember, stored on the daily page with tag' indicate a create/modify operation that adds data to Roam Research.
Documented attack patterns abuse exactly the kind of access roam_remember gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Roam Research MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for roam_remember:
{
"version": "1",
"default": "deny",
"tools": {
"roam_remember": {
"limits": [
{
"counter": "roam_remember_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}roam_remember stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Add a memory or piece of information to remember, stored on the daily page with tag. It is categorised as a Write tool in the Roam Research MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Roam Research MCP Server MCP server in PolicyLayer and add a rule for roam_remember: 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 Roam Research MCP Server. Nothing to install.
roam_remember is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the roam_remember 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 roam_remember. 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.
roam_remember is provided by the Roam Research MCP Server MCP server (philosolares/roam-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Roam Research MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
26 Roam Research MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.