Vulners MCP

endpoint

https://mcp.vulners.com/mcp

protocol

http-sse ·2025-06-18

authentication

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karma

0 · newcomer

Is Vulners MCP live?

Yes — it answered the hub's last check (checked 1h ago). It answered 100% of checks over the last 30 days.

Is Vulners MCP free to use?

No — it asks for a key or a login before it will serve.

What tools does Vulners MCP have?

7 tools: get_supported_os, search_cpe, query_autocomplete, bulletin_by_id, search_lucene, audit_software, audit_linux_packages.

Is Vulners MCP safe to connect?

The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• get_supported_os auth-required 1h ago

  List supported OS identifiers/versions for Linux package audit. Get available operating systems for vulnerability analysis.

  mcp-tool

  1234

  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• search_cpe auth-required 1h ago

  Find CPE strings by vendor+product (latest schema). Search for Common Platform Enumeration identifiers in the Vulners database.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "vendor",
      "product"
    ],
    "properties": {
      "size": {
        "anyOf": [
          {
            "type": "integer"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Maximum number of CPE results to return. If None, uses server default."
      },
      "vendor": {
        "type": "string",
        "description": "Vendor name to search for (e.g., 'microsoft', 'google', 'apache', 'oracle'). Case-insensitive."
      },
      "product": {
        "type": "string",
        "description": "Product name to search for (e.g., 'windows_10', 'chrome', 'http_server', 'java'). Case-insensitive."
      }
    }
  }

  arguments 29 lines copy
• query_autocomplete auth-required 1h ago

  Autocomplete helper for search inputs (vendors, products, CVEs, etc.). Get search suggestions from the Vulners database.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "body"
    ],
    "properties": {
      "body": {
        "type": "object",
        "required": [
          "query"
        ],
        "properties": {
          "query": {
            "type": "string",
            "description": "Partial search term, e.g. 'openssl', 'CVE-2024-', 'microsoft windows'"
          }
        },
        "description": "Request body containing autocomplete parameters. Should include 'query' field with partial search term (e.g., 'openssl', 'CVE-2024-', 'microsoft windows')."
      }
    }
  }

  arguments 21 lines copy
• bulletin_by_id auth-required never probed

  🚨 PRIMARY TOOL FOR KNOWN IDs 🚨 Fetch a bulletin by CVE or Vulners ID. Returns a COMPACT triage-card summary by default -- id, title, CVSS3, EPSS, CVE list, and a compact exploitation/AI signal -- NOT the full record. Pass fields=[...] to widen (e.g. add 'description', 'cvss', 'cvss2', 'affectedSoftware') or references=True for the linked-bulletin graph; requesting everything can be very large. Supports single ID or list of IDs. When list is provided, references are automatically set to False. NEVER use search_lucene for known IDs.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "id"
    ],
    "properties": {
      "id": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        ],
        "description": "Single CVE ID, Vulners ID, or bulletin ID to fetch, or a list of IDs. Supports CVE identifiers (CVE-2024-21762), vendor-specific IDs (RHSA-2024:1234), or Vulners internal IDs. When a list is provided, references are always False regardless of the `references` argument."
      },
      "fields": {
        "anyOf": [
          {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Override the default COMPACT field projection to widen the response. Pass ['*'] to request every field Vulners has for the bulletin (can be very large for popular CVEs). Useful individual fields to add: 'description' (full prose description, dropped from the default), 'cvss'/'cvss2' (legacy score variants; the default already includes 'cvss3'), 'affectedSoftware'/'cnaAffected' (affected systems), 'enchantments' (the FULL AI/exploitation blob, including the large cross-reference and social-mention indexes the default omits). If omitted, the lean default is used: id, title, type, href, published, modified, bulletinFamily, cvss3, epss, cvelist, enchantments.exploitation, enchantments.score, enchantments.vulnersScore, enchantments.tags, enchantments.short_description."
      },
      "references": {
        "type": "boolean",
        "default": false,
        "description": "Include the full reference graph (linked advisories, patches, related bulletins) for a SINGLE-ID lookup. Defaults to False: the compact default projection already covers the essentials (CVSS3, EPSS, exploitation signal, CVE list). Set True only when you need the reference graph and can accept a much larger response -- for heavily-referenced CVEs this can inflate the payload from a few KiB to 100+ MiB. Ignored (always False) when `id` is a list."
      }
    }
  }

  arguments 42 lines copy
• search_lucene auth-required never probed

  🔍 DISCOVERY TOOL FOR UNKNOWN VULNERABILITIES 🔍 Full-text search in Vulners Knowledge Base using Lucene syntax. Use ONLY when you don't have specific IDs or version information. NEVER use for known CVE/bulletin IDs - use bulletin_by_id instead. NEVER use for specific software versions (e.g., 'Chrome 138.0.7204.184') - use audit_software instead. 🚨 CRITICAL: For vendor/product searches, ALWAYS use cnaAffected.vendor and cnaAffected.product fields - the affectedSoftware field does NOT exist.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "query"
    ],
    "properties": {
      "size": {
        "type": "integer",
        "default": 20,
        "description": "Maximum number of results to return. Default is 20, hard-capped at 100 regardless of caller."
      },
      "skip": {
        "type": "integer",
        "default": 0,
        "description": "Number of results to skip for pagination. Default is 0."
      },
      "query": {
        "type": "string",
        "description": "Lucene query string for searching vulnerabilities. Supports Boolean operators (AND, OR, NOT), field-specific queries, range searches, and wildcard matching. NEVER use for specific software versions - use audit_software instead. For vendor/product searches use cnaAffected.vendor and cnaAffected.product (NOT affectedSoftware which does not exist)."
      },
      "fields": {
        "anyOf": [
          {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Override the default curated per-hit field projection. Pass ['*'] for every field per hit (large responses). If omitted, a curated default is used: id, title, type, cvss, cvss3, epss, published, href, cvelist."
      }
    }
  }

  arguments 37 lines copy
• audit_software auth-required never probed

  🔍 VERSION-SPECIFIC SOFTWARE AUDIT 🔍 Audit specific software versions for known vulnerabilities. Use this when you have exact software version information (e.g., Chrome 138.0.7204.184). NEVER use search_lucene for version-specific software audits.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "body"
    ],
    "properties": {
      "body": {
        "type": "object",
        "required": [
          "software"
        ],
        "properties": {
          "match": {
            "anyOf": [
              {
                "enum": [
                  "partial",
                  "full"
                ],
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "\"partial\" (API default) or \"full\"; use \"full\" with target_sw for OS-specific audits"
          },
          "software": {
            "type": "array",
            "items": {
              "anyOf": [
                {
                  "type": "object",
                  "required": [
                    "vendor",
                    "product",
                    "version"
                  ],
                  "properties": {
                    "part": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "\"a\" application, \"o\" operating system, \"h\" hardware"
                    },
                    "other": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Other; use \"*\" for any"
                    },
                    "update": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Update; use \"*\" for any"
                    },
                    "vendor": {
                      "type": "string",
                      "description": "Vendor, e.g. openssl, google, microsoft"
                    },
                    "edition": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Edition; use \"*\" for any"
                    },
                    "product": {
                      "type": "string",
                      "description": "Product, e.g. openssl, chrome, edge"
                    },
                    "version": {
                      "type": "string",
                      "description": "Exact version, e.g. 1.1.1u or 138.0.7204.184"
                    },
                    "language": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Language; use \"*\" for any"
                    },
                    "target_hw": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Target hardware; use \"*\" for any"
                    },
                    "target_sw": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Target software, e.g. \"windows\" or \"macos\"; use \"*\" for any"
                    },
                    "sw_edition": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Software edition; use \"*\" for any"
                    }
                  },
                  "description": "CPE 2.3 well-formed name, one field per WFN attribute."
                },
                {
                  "type": "string"
                }
              ]
            },
            "description": "Software to audit: structured CPE objects (preferred) or CPE 2.3 strings"
          }
        },
        "description": "Request body containing software list and audit parameters. Should include 'software' array with structured CPE objects (NOT CPE strings) and optional 'match' parameter ('partial' or 'full'). Each CPE object has the CPE 2.3 fields: part, vendor, product, version, update, edition, language, sw_edition, target_sw, target_hw, other; vendor, product and version are required. USE THIS for specific software versions like 'Chrome 138.0.7204.184'."
      }
    }
  }

  arguments 163 lines copy
• audit_linux_packages auth-required never probed

  Linux package audit (RPM/DEB) for a given distro + version. Analyze Linux package vulnerabilities against the Vulners database.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "os",
      "version",
      "package"
    ],
    "properties": {
      "os": {
        "type": "string",
        "description": "Linux distribution identifier (e.g., ubuntu, debian, centos, rhel, fedora). Use get_supported_os() to see available options."
      },
      "package": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "description": "Installed packages, each formatted EXACTLY as the target OS's own package manager lists them -- i.e. one line of the output produced by the command get_supported_os() returns for this OS. DEB-based distros (ubuntu, debian, astra, linuxmint, ...): space-separated 'name version arch', e.g. 'openssl 3.0.2-0ubuntu1.6 amd64'. RPM-based distros (rhel, centos, oracle, almalinux, rocky, fedora, amazon, suse, ...): 'name-version-release.arch', e.g. 'openssl-1.0.2k-25.el7_9.x86_64'. The bare hyphenated 'name-version' short form is NOT accepted -- the API rejects it as 'Invalid package'."
      },
      "version": {
        "type": "string",
        "description": "Distribution version/release (e.g., 22.04, 12, 8, 40). Must match a supported version for the specified OS."
      },
      "include_candidates": {
        "anyOf": [
          {
            "type": "boolean"
          },
          {
            "type": "null"
          }
        ],
        "default": null,
        "description": "Whether to include potential matches in results. If None, uses default behavior (typically false)."
      }
    }
  }

  arguments 37 lines copy

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