Model Context Protocol
We've curated 11 cybersecurity statistics about Model Context Protocol to help you understand how this innovative framework enhances data sharing and decision-making in security systems, evolving to meet the challenges of interconnected environments in 2025.
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In 2025, 14% of published AI vulnerabilities were MCP-related (315 MCP-related vulnerabilities).
MCP vulnerabilities grew 270% from Q2 to Q3 in 2025.
Over 16,000 MCP servers are indexed by unofficial registries such as mcp.so.
79% of API keys found in open-source MCP server implementations are passed via simple environment variables.
There are a total of 20,000 MCP server implementations on GitHub.
Unofficial marketplaces have indexed upwards of 17,000 open-source Model Context Protocol (MCP) server implementations.
8.5% of open-source Model Context Protocol (MCP) server implementations adopt modern and secure authentication methods, such as OAuth.
88% of open-source Model Context Protocol (MCP) server implementations require credentials.
53% of open-source Model Context Protocol (MCP) server implementations rely on insecure, long-lived static secrets, such as API keys and Personal Access Tokens (PATs).
There was a 30% drop between the total number of repositories downloaded and those implementing real open-source Model Context Protocol (MCP) servers.
There are an estimated 20,000 repositories in GitHub implementing open-source Model Context Protocol (MCP) servers.