AI agents use journal_redact_secure to create or update resources in Celiums Memory — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Celiums Memory environment.
Redaction modifies data by removing or obscuring sensitive portions of journal entries. This is a reversible write operation—the underlying entry is altered but not deleted entirely. While it's less severe than deletion (Destructive), it exceeds Read operations because it changes stored data.
From the tool's definition Tool name 'journal_redact_secure' with description 'Redact a journal entry' indicates modification of existing journal data. The verb 'redact' means to selectively remove or obscure content within a document.
Documented attack patterns abuse exactly the kind of access journal_redact_secure gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Celiums Memory, and nothing reaches the server without passing your rules. This is the rule we recommend for journal_redact_secure:
{
"version": "1",
"default": "deny",
"tools": {
"journal_redact_secure": {
"limits": [
{
"counter": "journal_redact_secure_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}journal_redact_secure 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.
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Redact a journal entry\. It is categorised as a Write tool in the Celiums Memory MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Celiums Memory MCP server in PolicyLayer and add a rule for journal_redact_secure: 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 Celiums Memory. Nothing to install.
journal_redact_secure 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 journal_redact_secure 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 journal_redact_secure. 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.
journal_redact_secure is provided by the Celiums Memory MCP server (terrizoaguimor/celiums-memory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Celiums Memory, 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.
62 Celiums Memory tools catalogued and risk-classified — across an index of 43,000+ MCP servers.