get_frontmatter

Args:

SERVERMCP Framework Personal SOURCEinggerman/mcps

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/inggerman-mcps/get-frontmatter.md

WHAT IT DOES

What get_frontmatter does on MCP Framework Personal

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

RISK

Why get_frontmatter is rated Low

Frontmatter extraction is a retrieval operation that queries metadata from documents without creating, modifying, or deleting content. It fits the 'Read' category as a data extraction tool with no side effects. Severity is 'low' because misuse would only expose existing document metadata, not enable destructive or systemic harm.

From the tool's definition Tool name 'get_frontmatter' indicates retrieval of front matter metadata from documents (typically YAML/TOML headers in markdown). No arguments for modification are described, and the function name suggests passive extraction/querying.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_frontmatter safely

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

get_frontmatter Allowed

get_frontmatter 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": {
    "get_frontmatter": {}
  }
}

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

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

FAQ

Questions about get_frontmatter

What does the get_frontmatter tool do? +

Args:. It is categorised as a Read tool in the MCP Framework Personal MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_frontmatter? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for get_frontmatter: 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 MCP Framework Personal. Nothing to install.

What risk level is get_frontmatter? +

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

Can I rate-limit get_frontmatter? +

Yes. Add a rate_limit block to the get_frontmatter 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 get_frontmatter completely? +

Set action: deny in the PolicyLayer policy for get_frontmatter. 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 get_frontmatter? +

get_frontmatter is provided by the MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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