Scorecard checks for a SECURITY.md file in well-known locations and scores its content: 6 points for a contact email or a web address for reporting vulnerabilities, 3 for free text beyond the links, and 1 for text about vulnerability handling and disclosure with timeframes (at least two matches for vulnerability, disclosure and day counts such as 90 days).
This control maps to 1 controls across 1 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.
The graph holds this control, the 1 it maps to, and the evidence behind each claim, over MCP and REST.