Export a skill to Agent Skills markdown format (SKILL.md). WHAT: Generates a standards-compliant SKILL.md string with YAML frontmatter and markdown body that can be shared or imported elsewhere. WHEN: When sharing skills with others, exporting to external repositories, or creating portable skill ...
AI agents call export_skill to retrieve information from Forgetful without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads an existing skill from the knowledge base and generates/returns a formatted markdown string. It does not modify, delete, or create any data — it is purely a retrieval and formatting operation with no side effects.
From the tool's definition Export a skill to Agent Skills markdown format (SKILL.md)... Generates a standards-compliant SKILL.md string... that can be shared or imported elsewhere
Documented attack patterns abuse exactly the kind of access export_skill gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Forgetful, and nothing reaches the server without passing your rules. This is the rule we recommend for export_skill:
{
"version": "1",
"default": "deny",
"tools": {
"export_skill": {}
}
}export_skill is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Export a skill to Agent Skills markdown format (SKILL.md). WHAT: Generates a standards-compliant SKILL.md string with YAML frontmatter and markdown body that can be shared or imported elsewhere. WHEN: When sharing skills with others, exporting to external repositories, or creating portable skill definitions that follow the Agent Skills standard. BEHAVIOR: Builds YAML frontmatter from standard fields (name, description, license, compatibility, allowed-tools, metadata) and appends the content as the markdown body. Only non-None fields are included in frontmatter. NOT-USE: For getting full skill details in structured format (use get_skill). Args: skill_id: Skill ID to export ctx: Context (automatically injected) Returns: Formatted SKILL.md string with YAML frontmatter Raises: ToolError if skill not found. It is categorised as a Read tool in the Forgetful MCP Server, which means it retrieves data without modifying state.
Register the Forgetful MCP server in PolicyLayer and add a rule for export_skill: 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 Forgetful. Nothing to install.
export_skill 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 export_skill 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 export_skill. 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.
export_skill is provided by the Forgetful MCP server (scottrbk/forgetful). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 59 Forgetful tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
59 Forgetful tools catalogued and risk-classified — across an index of 42,500+ MCP servers.