Find potential API keys, tokens, passwords, private keys and other credentials accidentally embedded in MCP configuration or related text.
MCP server configuration frequently contains environment variables, authentication headers and API credentials. Hard-coded credentials can leak through source control, screenshots or shared configuration files.
The report identifies the type of secret-like material but does not echo the detected credential value.
Scan MCP configuration text for hard-coded API keys, tokens, passwords, private keys and credential patterns without returning secret values.
Use MCP Secret Scanner as a focused pre-flight utility while building, reviewing or debugging an MCP integration. Paste the relevant configuration, protocol message, metadata, schema or value into the tool and review the returned findings before the same data reaches a production client or server.
Use the findings as a pre-deployment security review rather than as proof that an MCP server is safe. Security depends on runtime isolation, authorization, deployment policy and the behavior of the connected tools and systems.
A clean result means the input passed the rules implemented by this utility. It does not guarantee application security, protocol interoperability or correct business behavior. Test important integrations against the exact MCP client, SDK, gateway and server versions used in your deployment.