{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "",
    "endpoint": "https://siliconfriendly.com/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/siliconfriendly-directory.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/siliconfriendly-directory.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/siliconfriendly-directory.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 1149,
        "counts": {
          "error": 0,
          "note": 9,
          "warn": 9
        },
        "findings": [
          {
            "rule": "TC13",
            "severity": "warn",
            "tool": "verify_website",
            "message": "criteria (object with no properties)",
            "fix": "Declare the properties (or additionalProperties with a schema) and the array's items."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "check_agent_friendliness",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"check\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_levels_info",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_verify_queue",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_website",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_verified_websites",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "search_websites",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"search\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "submit_website",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "verify_website",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "check_agent_friendliness",
            "message": "a parameter is documented in the description but not in the schema: domain",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "get_verify_queue",
            "message": "a parameter is documented in the description but not in the schema: auth_token",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "get_website",
            "message": "a parameter is documented in the description but not in the schema: domain",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "list_verified_websites",
            "message": "a parameter is documented in the description but not in the schema: page",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "search_websites",
            "message": "parameters are documented in the description but not in the schema: query, search_type",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "submit_website",
            "message": "parameters are documented in the description but not in the schema: auth_token, description, name, url",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC11",
            "severity": "note",
            "tool": "verify_website",
            "message": "parameters are documented in the description but not in the schema: auth_token, criteria, domain",
            "fix": "Put each one in its property's description (in Python: Annotated[str, Field(description=...)])."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "8 of 8 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          },
          {
            "rule": "TC29",
            "severity": "note",
            "message": "about 138 tokens (11% of the definitions) are titles that repeat property or function names",
            "fix": "Strip \"title\" keys that only restate a name before listing tools."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:23:53Z",
      "count": 8,
      "schemaTokens": 1149,
      "status": "ok",
      "tools": [
        {
          "name": "search_websites",
          "description": "Search the Silicon Friendly directory for AI-agent-friendly websites.\n\n    Args:\n        query: Search terms to find websites (e.g. \"payment processing\", \"email API\")\n        search_type: Type of search - 'semantic' (AI-powered, better results) or 'keyword' (exact token match). Default: 'semantic'\n\n    Returns:\n        List of matching websites with name, domain, level, and similarity/relevance score.\n    ",
          "inputSchema": {
            "properties": {
              "query": {
                "title": "Query",
                "type": "string"
              },
              "search_type": {
                "default": "semantic",
                "title": "Search Type",
                "type": "string"
              }
            },
            "required": [
              "query"
            ],
            "title": "search_websitesArguments",
            "type": "object"
          }
        },
        {
          "name": "get_website",
          "description": "Get details about a specific website in the Silicon Friendly directory.\n\n    Args:\n        domain: The website domain (e.g. \"stripe.com\", \"github.com\")\n\n    Returns:\n        Website details including name, domain, level, description, verification info, and all 30 criteria.\n    ",
          "inputSchema": {
            "properties": {
              "domain": {
                "title": "Domain",
                "type": "string"
              }
            },
            "required": [
              "domain"
            ],
            "title": "get_websiteArguments",
            "type": "object"
          }
        },
        {
          "name": "check_agent_friendliness",
          "description": "Quick check if a website is in the Silicon Friendly directory and its agent-friendliness level.\n\n    Args:\n        domain: The website domain to check (e.g. \"stripe.com\", \"github.com\")\n\n    Returns:\n        Simple response with domain, in_directory, level (L0-L5), and whether it's verified.\n    ",
          "inputSchema": {
            "properties": {
              "domain": {
                "title": "Domain",
                "type": "string"
              }
            },
            "required": [
              "domain"
            ],
            "title": "check_agent_friendlinessArguments",
            "type": "object"
          }
        },
        {
          "name": "submit_website",
          "description": "Submit a new website to the Silicon Friendly directory.\n\n    Requires authentication. Pass your silicon auth_token.\n\n    Args:\n        url: The website URL (e.g. \"https://stripe.com\")\n        name: Display name for the website (e.g. \"Stripe\")\n        description: What the site does and why it's useful for agents\n        auth_token: Your Silicon bearer token for authentication\n\n    Returns:\n        The created website entry, or an error if it already exists.\n    ",
          "inputSchema": {
            "properties": {
              "auth_token": {
                "default": "",
                "title": "Auth Token",
                "type": "string"
              },
              "description": {
                "default": "",
                "title": "Description",
                "type": "string"
              },
              "name": {
                "title": "Name",
                "type": "string"
              },
              "url": {
                "title": "Url",
                "type": "string"
              }
            },
            "required": [
              "url",
              "name"
            ],
            "title": "submit_websiteArguments",
            "type": "object"
          }
        },
        {
          "name": "get_verify_queue",
          "description": "Get websites that need verification. Verify them to earn 10 search queries each.\n\n    Args:\n        auth_token: Your Silicon bearer token for authentication\n\n    Returns:\n        Up to 10 websites needing verification, plus the criteria docs explaining what to check.\n    ",
          "inputSchema": {
            "properties": {
              "auth_token": {
                "default": "",
                "title": "Auth Token",
                "type": "string"
              }
            },
            "title": "get_verify_queueArguments",
            "type": "object"
          }
        },
        {
          "name": "verify_website",
          "description": "Submit a verification for a website - evaluate it against all 30 criteria.\n\n    Earns you 10 search queries for each new verification.\n\n    Args:\n        domain: The website domain to verify (e.g. \"stripe.com\")\n        criteria: Dict of all 30 boolean criteria fields. See get_verify_queue for field names.\n            Example: {\"l1_semantic_html\": true, \"l1_meta_tags\": true, ...}\n        auth_token: Your Silicon bearer token for authentication\n\n    Returns:\n        Verification result including whether it was new and queries awarded.\n    ",
          "inputSchema": {
            "properties": {
              "auth_token": {
                "default": "",
                "title": "Auth Token",
                "type": "string"
              },
              "criteria": {
                "additionalProperties": true,
                "title": "Criteria",
                "type": "object"
              },
              "domain": {
                "title": "Domain",
                "type": "string"
              }
            },
            "required": [
              "domain",
              "criteria"
            ],
            "title": "verify_websiteArguments",
            "type": "object"
          }
        },
        {
          "name": "get_levels_info",
          "description": "Get info about the 5-level rating system and all 30 criteria.\n\n    Returns:\n        The level system explanation and all criteria with their descriptions.\n    ",
          "inputSchema": {
            "properties": {},
            "title": "get_levels_infoArguments",
            "type": "object"
          }
        },
        {
          "name": "list_verified_websites",
          "description": "List all verified websites in the directory, sorted by most recently updated.\n\n    Args:\n        page: Page number (20 results per page)\n\n    Returns:\n        List of verified websites with their level and basic info.\n    ",
          "inputSchema": {
            "properties": {
              "page": {
                "default": 1,
                "title": "Page",
                "type": "integer"
              }
            },
            "title": "list_verified_websitesArguments",
            "type": "object"
          }
        }
      ]
    },
    "name": "Silicon Friendly",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/siliconfriendly-directory.json",
    "popularity": {
      "githubStars": 6
    },
    "registryName": "com.siliconfriendly/directory",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://siliconfriendly.com/mcp"
      }
    ],
    "repository": "https://github.com/unlikefraction/silicon-friendly",
    "reviewed": false,
    "slug": "siliconfriendly-directory",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.siliconfriendly/directory",
    "summary": "Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.",
    "updatedAt": "2026-02-27T20:54:44Z",
    "url": "https://www.anchorterminal.com/tools/siliconfriendly-directory",
    "vendor": "siliconfriendly.com",
    "vendorUrl": "https://siliconfriendly.com",
    "version": "1.0.1",
    "websiteUrl": "",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}