# librecrawl_schema_check A read tool on the Librecrawl Technical Seo Audit MCP server. Agent View of the PolicyLayer registry record for `librecrawl_schema_check`. HTML page: https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-schema-check ## Facts - Tool: `librecrawl_schema_check` - Server: Librecrawl Technical Seo Audit (`adityaarsharma/librecrawl-technical-seo-audit-mcp`) — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp.md - Homepage: https://github.com/adityaarsharma/librecrawl-technical-seo-audit-mcp - Risk category: Read (Low risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Allowed ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "librecrawl_schema_check", "arguments": {} } } ``` ## Why librecrawl_schema_check is rated Low This tool queries and validates schema.org markup on web pages—a read-only audit function. It retrieves data to inspect SEO schema compliance without side effects. The empty description lowers confidence slightly, but context from sibling audit tools and server purpose (technical SEO crawler) clearly indicates this is a read operation. No data modification, deletion, or external operations occur. From the tool's own definition: "Tool name 'librecrawl_schema_check' indicates schema validation/checking. The parent server description mentions '50+ checks (hreflang, schema.org, security headers...)' with schema.org explicitly listed as an audit capability." ## Use case AI agents call librecrawl_schema_check to retrieve information from Librecrawl Technical Seo Audit without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere. ## Recommended policy (PolicyLayer) Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Librecrawl Technical Seo Audit: ```json { "version": "1", "default": "deny", "tools": { "librecrawl_schema_check": {} } } ``` ## Other tools on Librecrawl Technical Seo Audit (36) - `librecrawl_audit_cancel` — Destructive — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-cancel.md - `librecrawl_brain_purge_audit` — Destructive — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-brain-purge-audit.md - `librecrawl_wipe_everything` — Destructive — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-wipe-everything.md - `librecrawl_audit` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit.md - `librecrawl_audit_force_advance` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-force-advance.md - `librecrawl_audit_pause` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-pause.md - `librecrawl_audit_resume` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-resume.md - `librecrawl_full_audit_strict` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-full-audit-strict.md - `librecrawl_pagespeed_audit` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-pagespeed-audit.md - `librecrawl_pagespeed_audit_all_crawl_pages` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-pagespeed-audit-all-crawl-pages.md - `librecrawl_pause_crawl` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-pause-crawl.md - `librecrawl_resume_crawl` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-resume-crawl.md - `librecrawl_resume_from_crawl_id` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-resume-from-crawl-id.md - `librecrawl_start_chunked_audit` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-start-chunked-audit.md - `librecrawl_start_crawl` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-start-crawl.md - `librecrawl_stop_crawl` — Execute — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-stop-crawl.md - `librecrawl_append_gsc_section` — Other — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-append-gsc-section.md - `librecrawl_generate_report` — Other — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-generate-report.md - `librecrawl_audit_artifacts` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-artifacts.md - `librecrawl_audit_pdf` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-pdf.md - `librecrawl_audit_status` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-status.md - `librecrawl_audit_zip` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-audit-zip.md - `librecrawl_export_results` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-export-results.md - `librecrawl_external_links_audit` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-external-links-audit.md - `librecrawl_filter_issues` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-filter-issues.md - `librecrawl_get_settings` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-get-settings.md - `librecrawl_get_status` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-get-status.md - `librecrawl_internal_links_analysis` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-internal-links-analysis.md - `librecrawl_list_crawls` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-list-crawls.md - `librecrawl_pagespeed` — Read — https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp/librecrawl-pagespeed.md - …and 6 more: https://policylayer.com/tools/adityaarsharma-librecrawl-technical-seo-audit-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=adityaarsharma-librecrawl-technical-seo-audit-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/adityaarsharma-librecrawl-technical-seo-audit-mcp