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Lordevo Shop (x402 website checks)

by com.lordevo
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Sample output of a tool (free)

get_sample_output
Read-onlyIdempotent

Free. Returns an example of what a paid tool returns, so you can decide before paying.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "tool": "<tool>"
    },
    "name": "get_sample_output"
  }
}

Input Schema

NameRequiredDescriptionDefault
toolYes

Output Schema

NameRequiredDescriptionDefault
toolNo
sampleNo
price_usdNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "site_check",
-  "agent_readiness",
-  "url_trust",
-  "can_fetch",
-  "link_check",
-  "dns_lookup",
-  "email_validate",
-  "ssl_cert",
-  "domain_rdap",
-  "ip_info",
-  "links_batch",
-  "broken_links",
-  "sitemap_urls",
-  "link_preview",
-  "readability",
-  "structured_data",
-  "canonical_check",
-  "cors_check",
-  "http_ping",
-  "domain_lookalike",
-  "myr_rates",
-  "redirect_chain",
-  "text_chunk",
-  "token_count",
-  "json_validate",
-  "json_repair",
-  "time_convert",
-  "cron_next",
-  "url_clean",
-  "feed_parse",
-  "page_diff",
-  "pdf_text",
-  "math_eval",
-  "date_calc",
-  "regex_test",
-  "text_diff",
-  "csv_parse",
-  "json_query",
-  "json_schema_infer",
-  "unit_convert",
-  "text_extract",
-  "verdict_card",
-  "page_markdown",
-  "page_markdown_batch",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "can_fetch",
+  "link_check",
+  "dns_lookup",
+  "email_validate",
+  "ssl_cert",
+  "domain_rdap",
+  "ip_info",
+  "links_batch",
+  "broken_links",
+  "sitemap_urls",
+  "link_preview",
+  "readability",
+  "structured_data",
+  "canonical_check",
+  "cors_check",
+  "http_ping",
+  "domain_lookalike",
+  "myr_rates",
+  "domain_intel",
+  "redirect_chain",
+  "text_chunk",
+  "token_count",
+  "json_validate",
+  "json_repair",
+  "time_convert",
+  "cron_next",
+  "url_clean",
+  "feed_parse",
+  "page_diff",
+  "pdf_text",
+  "math_eval",
+  "date_calc",
+  "regex_test",
+  "text_diff",
+  "csv_parse",
+  "json_query",
+  "json_schema_infer",
+  "unit_convert",
+  "text_extract",
+  "prompt_injection_scan",
+  "federal_register",
+  "sec_filings",
+  "verdict_card",
+  "page_markdown",
+  "page_markdown_batch",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "anyOf": [
+    {
+      "required": [
+        "tool",
+        "price_usd",
+        "sample"
+      ]
+    },
+    {
+      "properties": {
+        "charged": {
+          "type": "boolean"
+        },
+        "error": {
+          "type": "string"
+        },
+        "message": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "error"
+      ]
+    }
+  ],
+  "properties": {
+    "price_usd": {
+      "type": "number"
+    },
+    "sample": {
+      "type": "object"
+    },
+    "tool": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}
  2. Changed1 schema field changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "site_check",
-  "agent_readiness",
-  "url_trust",
-  "can_fetch",
-  "link_check",
-  "dns_lookup",
-  "email_validate",
-  "ssl_cert",
-  "domain_rdap",
-  "ip_info",
-  "links_batch",
-  "broken_links",
-  "sitemap_urls",
-  "link_preview",
-  "readability",
-  "structured_data",
-  "canonical_check",
-  "cors_check",
-  "http_ping",
-  "domain_lookalike",
-  "myr_rates",
-  "redirect_chain",
-  "text_chunk",
-  "token_count",
-  "json_validate",
-  "json_repair",
-  "time_convert",
-  "cron_next",
-  "url_clean",
-  "feed_parse",
-  "page_diff",
-  "pdf_text",
-  "math_eval",
-  "date_calc",
-  "regex_test",
-  "text_diff",
-  "verdict_card",
-  "page_markdown",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "can_fetch",
+  "link_check",
+  "dns_lookup",
+  "email_validate",
+  "ssl_cert",
+  "domain_rdap",
+  "ip_info",
+  "links_batch",
+  "broken_links",
+  "sitemap_urls",
+  "link_preview",
+  "readability",
+  "structured_data",
+  "canonical_check",
+  "cors_check",
+  "http_ping",
+  "domain_lookalike",
+  "myr_rates",
+  "redirect_chain",
+  "text_chunk",
+  "token_count",
+  "json_validate",
+  "json_repair",
+  "time_convert",
+  "cron_next",
+  "url_clean",
+  "feed_parse",
+  "page_diff",
+  "pdf_text",
+  "math_eval",
+  "date_calc",
+  "regex_test",
+  "text_diff",
+  "csv_parse",
+  "json_query",
+  "json_schema_infer",
+  "unit_convert",
+  "text_extract",
+  "verdict_card",
+  "page_markdown",
+  "page_markdown_batch",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
  3. Changed1 schema field changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "site_check",
-  "agent_readiness",
-  "url_trust",
-  "can_fetch",
-  "link_check",
-  "dns_lookup",
-  "email_validate",
-  "ssl_cert",
-  "domain_rdap",
-  "ip_info",
-  "links_batch",
-  "broken_links",
-  "sitemap_urls",
-  "link_preview",
-  "readability",
-  "structured_data",
-  "canonical_check",
-  "cors_check",
-  "http_ping",
-  "domain_lookalike",
-  "myr_rates",
-  "verdict_card",
-  "page_markdown",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "can_fetch",
+  "link_check",
+  "dns_lookup",
+  "email_validate",
+  "ssl_cert",
+  "domain_rdap",
+  "ip_info",
+  "links_batch",
+  "broken_links",
+  "sitemap_urls",
+  "link_preview",
+  "readability",
+  "structured_data",
+  "canonical_check",
+  "cors_check",
+  "http_ping",
+  "domain_lookalike",
+  "myr_rates",
+  "redirect_chain",
+  "text_chunk",
+  "token_count",
+  "json_validate",
+  "json_repair",
+  "time_convert",
+  "cron_next",
+  "url_clean",
+  "feed_parse",
+  "page_diff",
+  "pdf_text",
+  "math_eval",
+  "date_calc",
+  "regex_test",
+  "text_diff",
+  "verdict_card",
+  "page_markdown",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
  4. Changed1 schema field changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "site_check",
-  "agent_readiness",
-  "url_trust",
-  "can_fetch",
-  "link_check",
-  "verdict_card",
-  "page_markdown",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "can_fetch",
+  "link_check",
+  "dns_lookup",
+  "email_validate",
+  "ssl_cert",
+  "domain_rdap",
+  "ip_info",
+  "links_batch",
+  "broken_links",
+  "sitemap_urls",
+  "link_preview",
+  "readability",
+  "structured_data",
+  "canonical_check",
+  "cors_check",
+  "http_ping",
+  "domain_lookalike",
+  "myr_rates",
+  "verdict_card",
+  "page_markdown",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
  5. Changed1 schema field changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "site_check",
-  "agent_readiness",
-  "url_trust",
-  "verdict_card",
-  "page_markdown",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "can_fetch",
+  "link_check",
+  "verdict_card",
+  "page_markdown",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
  6. Changed1 schema field changed
    • changedInput schema / properties / tool / enum
      Previous value: -[
-  "page_markdown",
-  "page_meta",
-  "email_auth",
-  "security_headers",
-  "tech_stack",
-  "seo_page",
-  "site_snapshot",
-  "page_quality",
-  "site_verdict",
-  "seo_audit_lite",
-  "security_scan_lite"
-]New value: +[
+  "site_check",
+  "agent_readiness",
+  "url_trust",
+  "verdict_card",
+  "page_markdown",
+  "page_meta",
+  "email_auth",
+  "security_headers",
+  "tech_stack",
+  "seo_page",
+  "site_snapshot",
+  "page_quality",
+  "site_verdict",
+  "seo_audit_lite",
+  "security_scan_lite"
+]
  7. First observed

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is covered by structured data. The description adds the important cost fact ('Free') and that the return is an example rather than live data, but it leaves open whether the sample is canned/static or a real truncated result and whether it changes over time.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences, with the cost qualifier front-loaded in a single word. Nothing is wasted and nothing is buried.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return shapes need not be described. For a single-parameter preview tool the description is nearly complete; only the nature of the sample (canned vs. live) and the parameter's meaning are left implicit.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, and the description never mentions the single required 'tool' parameter or that it names which sibling tool's output is sampled. The 58-value enum is self-describing enough that a competent caller can infer intent, so this is a gap rather than a blocker.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Returns an example of what a paid tool returns') plus the reason it exists ('so you can decide before paying'). The 'free' framing immediately distinguishes it from the paid siblings that share its name space.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives a clear when-to-use signal: preview a paid tool's output before committing to it. It does not state when-not to use it or whether a single sample call covers all tools, but the caller's decision context is unambiguous.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Lordevo Shop (x402 website checks) toolsInspect
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