Evidence row 263480

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Analyze sentiment of text with entity extraction, confidence scores, and key phrase identification. Returns positive/negative/neutral/mixed with detailed breakdown.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "text": {
            "description": "Text to analyze for sentiment",
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "analyze_sentiment"
    },
    {
      "description": "Scrape a URL then use AI to extract structured JSON data matching your schema description. Combines Playwright scraping with Grok LLM extraction.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "schema_description": {
            "description": "Description of the data to extract and desired JSON structure. Example: 'Extract all product names and prices as {products: [{name, price}]}'",
            "type": "string"
          },
          "url": {
            "description": "URL to scrape",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url",
          "schema_description"
        ],
        "type": "object"
      },
      "name": "extract_structured_data"
    },
    {
      "description": "Generate high-quality written content. Supports blog posts, product descriptions, documentation, social posts, and emails. Customizable tone, length, and keywords.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "keywords": {
            "description": "Comma-separated keywords to include",
            "type": "string"
          },
          "length": {
            "description": "Target length (default: medium)",
            "enum": [
              "short",
              "medium",
              "long"
            ],
            "type": "string"
          },
          "tone": {
            "description": "Writing tone (default: professional)",
            "enum": [
              "professional",
              "casual",
              "technical",
              "friendly"
            ],
            "type": "string"
          },
          "topic": {
            "description": "Topic or subject to write about",
            "type": "string"
          },
          "type": {
            "description": "Content type",
            "enum": [
              "blog_post",
              "product_description",
              "documentation",
              "social_post",
              "email"
            ],
            "type": "string"
          }
        },
        "required": [
          "type",
          "topic"
        ],
        "type": "object"
      },
      "name": "generate_content"
    },
    {
      "description": "Check Zero Core Tools server status, uptime, and payment network configuration.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "health"
    },
    {
      "description": "List all available Zero Core Tools with pricing and input requirements. Use this for discovery.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_tools"
    },
    {
      "description": "AI-powered security and quality code review. Analyzes for vulnerabilities, anti-patterns, performance issues, and best practices. Returns issues with severity, suggestions, and an overall score.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "code": {
            "description": "Source code to review",
            "type": "string"
          },
          "focus": {
            "description": "Focus area: security, quality, performance, or all (default: all)",
            "type": "string"
          },
          "language": {
            "description": "Programming language (auto-detected if omitted)",
            "type": "string"
          }
        },
        "required": [
          "code"
        ],
        "type": "object"
      },
      "name": "review_code"
    },
    {
      "description": "Scrape any URL and return cleaned text content. Powered by Playwright headless browser. Returns title, content, word count.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "max_length": {
            "description": "Max content length in chars (default: 10000)",
            "maximum": 50000,
            "minimum": 100,
            "type": "number"
          },
          "url": {
            "description": "URL to scrape",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "scrape_url"
    },
    {
      "description": "Take a full-page screenshot of any URL. Returns base64-encoded PNG image.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "full_page": {
            "description": "Capture full page scroll height (default: true)",
            "type": "boolean"
          },
          "height": {
            "description": "Viewport height in pixels (default: 720)",
            "maximum": 2160,
            "minimum": 240,
            "type": "number"
          },
          "url": {
            "description": "URL to screenshot",
            "format": "uri",
            "type": "string"
          },
          "width": {
            "description": "Viewport width in pixels (default: 1280)",
            "maximum": 3840,
            "minimum": 320,
            "type": "number"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "screenshot_url"
    },
    {
      "description": "Search the web via Google and return organic results with titles, links, and snippets. Optionally returns answer box if available.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "num_results": {
            "description": "Number of results to return (default: 10)",
            "maximum": 50,
            "minimum": 1,
            "type": "number"
          },
          "query": {
            "description": "Search query",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_web"
    }
  ]
}

What the leaf hashes

{"body":"7f4a26a1bb4c5727dee31a3ea832c8b3606a96800f064cc297ce8f1bffe8a27e","id":263480,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793033504348226,"prev":null,"subject":"b42af87c-036b-4923-9272-e0f050d1971b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x262b69ea6b3a6de578937e5835959312dc358b92bcf3d168c02bcb9e24b9c5e7
2. 0xecb6258243e5e18a8910440d3c4ae7b9df068733c43b7876a9cca168c3370ea2
3. 0xec046712c224e54cc2f628f56bc46a3b500f6ab142dcb93a07268f290fe153df
4. 0x5bd6133ef4545dfe4eba3f9b2eb2b8286c17c5a2c5ccf73eb322073039e80774
5. 0x237466a812a5cf6b6e0069fa9027716b134acb56de4fee8bd759c36cbdee1afa
6. 0x57efae4881979d7ddc46cc5b6c3b24b0bf9b06e76703aa5f918ffa3cefded62b
7. 0xb34c70c8955f89e2cd71dbfbfa0e6a79fc267aeb6e3e455aaa941bff10389b05
8. 0xf3f23ece4a483566b86b802924a404fcd648679efab847be74d40aef795c6156
9. 0xa1f62782a8d46832b22b875d7a7b4a3065122b84ff867e215c84a5c3cd56537a
10. 0x21a7cf99ef81ffd43b25c97835cc100421f018b92fa922aa035d34db9079e57c
11. 0xd59298b1ed461f406932ca0ca85948982d67f90463e31e5b2c45ab2a35eacd3f
12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae