6 tools from the Truncus MCP Server, categorised by risk level.
View the Truncus policy →truncus_check_suppression Check if an email address is on the suppression list. truncus_get_email Get status and engagement metrics (opens, clicks) for a sent email. truncus_get_stats Get aggregated email sending statistics for the account. truncus_list_domains List all verified sending domains for the account. truncus_validate_email Dry-run: validate an email payload without delivering it. Checks domain, suppression list, and rate limits. The Truncus MCP server exposes 6 tools across 2 categories: Read, Write.
Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Truncus server.
Truncus tools are categorised as Read (5), Write (1). Each category has a recommended default policy.
Open source. One binary. Zero dependencies.
npx -y @policylayer/intercept