io.github.malkreide/hn-tech-signal-mcp

The materials state that no keys or environment variables are required. No API tokens, account credentials, or other sensitive authentication requirements are disclosed, so credential exposure and abuse risk appears low.

No remote endpoints are declared, and the available materials do not show user data being sent to third-party services. Based on known facts, there is no clear exfiltration path, though network behavior is not fully documented because the README is absent.

The system flags this tool as executes-code, meaning it runs code locally as an MCP server/process. This is a normal capability for this tool class and not high risk by itself, but it should still be run with least privilege and in an isolated environment.

The materials do not specify what files, directories, or other local resources it can read or write, so there is no clear evidence of overbroad access. However, as a locally executed MCP tool, its effective access depends on the host process permissions and should be constrained via the runtime account and working directory.

Positive signals include the official registry source, an auditable open-source repository, and updates within the past year. Caution points are the missing README, undeclared license, and very low community adoption (0 stars), which reduce transparency and maturity but are not sufficient on their own to make it high risk.