filter_by_date

Filter entries by date range

SERVERContextForge MCP Gateway SOURCEjrmatherly/mcp-context-forge

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jrmatherly-mcp-context-forge/filter-by-date.md

WHAT IT DOES

What filter_by_date does on ContextForge MCP Gateway

AI agents call filter_by_date to retrieve information from ContextForge MCP Gateway without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why filter_by_date is rated Low

This tool retrieves or queries data by applying a date-range filter—a purely read operation with no side effects, no data creation, modification, or deletion. It returns a filtered view of existing entries. The low severity reflects minimal risk: even if misused by an AI agent, filtering operations cannot corrupt or compromise data.

From the tool's definition Tool name 'filter_by_date' and description 'Filter entries by date range' indicate a query/filtering operation with no modification or deletion of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs filter_by_date safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ContextForge MCP Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For filter_by_date, this is the rule to start with:

filter_by_date Allowed

filter_by_date is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "filter_by_date": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ContextForge MCP Gateway, apply this rule, and every filter_by_date call is checked against it from then on.

FAQ

Questions about filter_by_date

What does the filter_by_date tool do? +

Filter entries by date range. It is categorised as a Read tool in the ContextForge MCP Gateway MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on filter_by_date? +

Register the ContextForge MCP Gateway MCP server in PolicyLayer and add a rule for filter_by_date: 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 ContextForge MCP Gateway. Nothing to install.

What risk level is filter_by_date? +

filter_by_date is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit filter_by_date? +

Yes. Add a rate_limit block to the filter_by_date 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.

How do I block filter_by_date completely? +

Set action: deny in the PolicyLayer policy for filter_by_date. 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.

What MCP server provides filter_by_date? +

filter_by_date is provided by the ContextForge MCP Gateway MCP server (jrmatherly/mcp-context-forge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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