{
  "data": {
    "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"
      ]
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/siliconfriendly-directory",
    "json": "https://www.anchorterminal.com/tools/siliconfriendly-directory.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/siliconfriendly-directory.md",
    "slim": "https://www.anchorterminal.com/tools/siliconfriendly-directory.min.md"
  },
  "markdown": "# Silicon Friendly\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by siliconfriendly.com (https://siliconfriendly.com)\n- Listed because: It's published in the registry under siliconfriendly.com, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.\n\n## Facts\n\n- MCP registry: `com.siliconfriendly/directory` 1.0.1\n- Endpoint: https://siliconfriendly.com/mcp (streamable HTTP)\n- Source: https://github.com/unlikefraction/silicon-friendly\n- GitHub stars: 6\n- Registry entry updated: 2026-02-27\n\n## Tools\n\n- Tools it lists (8, about 1,149 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:23 UTC):\n  - `search_websites`: Search the Silicon Friendly directory for AI-agent-friendly websites. Args: query: Search terms to find websites (e.g. \"payment processing\", \"email API\")…\n  - `get_website`: Get details about a specific website in the Silicon Friendly directory. Args: domain: The website domain (e.g. \"stripe.com\", \"github.com\") Returns: Website…\n  - `check_agent_friendliness`: Quick check if a website is in the Silicon Friendly directory and its agent-friendliness level. Args: domain: The website domain to check (e.g. \"stripe.com\",…\n  - `submit_website`: Submit a new website to the Silicon Friendly directory. Requires authentication. Pass your silicon auth_token. Args: url: The website URL (e.g.…\n  - `get_verify_queue`: Get websites that need verification. Verify them to earn 10 search queries each. Args: auth_token: Your Silicon bearer token for authentication Returns: Up to…\n  - `verify_website`: Submit a verification for a website - evaluate it against all 30 criteria. Earns you 10 search queries for each new verification. Args: domain: The website…\n  - `get_levels_info`: Get info about the 5-level rating system and all 30 criteria. Returns: The level system explanation and all criteria with their descriptions.\n  - `list_verified_websites`: List all verified websites in the directory, sorted by most recently updated. Args: page: Page number (20 results per page) Returns: List of verified websites…\n- How its tools read to an agent (0 errors, 9 warnings, 9 notes, about 1,149 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC13 verify_website: criteria (object with no properties)\n  - warn TC16 check_agent_friendliness: no readOnlyHint or destructiveHint\n  - warn TC16 get_levels_info: no readOnlyHint or destructiveHint\n  - warn TC16 get_verify_queue: no readOnlyHint or destructiveHint\n  - warn TC16 get_website: no readOnlyHint or destructiveHint\n  - warn TC16 list_verified_websites: no readOnlyHint or destructiveHint\n  - warn TC16 search_websites: no readOnlyHint or destructiveHint\n  - warn TC16 submit_website: no readOnlyHint or destructiveHint\n  - warn TC16 verify_website: no readOnlyHint or destructiveHint\n  - note TC11 check_agent_friendliness: a parameter is documented in the description but not in the schema: domain\n  - note TC11 get_verify_queue: a parameter is documented in the description but not in the schema: auth_token\n  - note TC11 get_website: a parameter is documented in the description but not in the schema: domain\n  - note TC11 list_verified_websites: a parameter is documented in the description but not in the schema: page\n  - note TC11 search_websites: parameters are documented in the description but not in the schema: query, search_type\n  - note TC11 submit_website: parameters are documented in the description but not in the schema: auth_token, description, name, url\n  - note TC11 verify_website: parameters are documented in the description but not in the schema: auth_token, criteria, domain\n  - note TC24 server: 8 of 8 tools have no outputSchema\n  - note TC29 server: about 138 tokens (11% of the definitions) are titles that repeat property or function names\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/siliconfriendly-directory.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
  "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"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Terminal",
        "url": "https://www.anchorterminal.com/tools/"
      },
      {
        "name": "Indexed",
        "url": "https://www.anchorterminal.com/indexed/"
      },
      {
        "name": "Silicon Friendly",
        "url": ""
      }
    ],
    "description": "Silicon Friendly, an MCP server by siliconfriendly.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "Silicon Friendly",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/siliconfriendly-directory",
    "published": "",
    "section": "indexed",
    "title": "Silicon Friendly: MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/siliconfriendly-directory"
  },
  "tokens": {
    "markdown": 1250,
    "slim": 1180
  },
  "version": 1
}