Lint markdown content and return errors with a corrected version.
AI agents call lint_markdown to retrieve information from Obsidian Markdown Lint without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Linting is a read-only analysis operation. The tool inspects markdown content to identify errors and suggests corrections, but does not write changes back to the vault (the description says it 'returns' a corrected version, implying it suggests rather than applies changes). No data is deleted, modified, or executed against external systems.
From the tool's definition Tool name 'lint_markdown' and description states it 'Lint markdown content and return errors with a corrected version.' This is a validation/analysis operation that examines markdown files and reports issues without modifying the original vault or creating…
Attacks that exploit this kind of access
Lint markdown content and return errors with a corrected version. It is categorised as a Read tool in the Obsidian Markdown Lint MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Markdown Lint MCP server in PolicyLayer and add a rule for lint_markdown: 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 Obsidian Markdown Lint. Nothing to install.
lint_markdown 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 lint_markdown 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 lint_markdown. 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.
lint_markdown is provided by the Obsidian Markdown Lint MCP server (psenger/obsidian-markdown-lint-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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