trust-oracle
Independent A-F trust grade for any MCP server, watched for drift.
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What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Independent A-F trust grade for any MCP server, watched for drift. Free, never for sale.
Server tool list (3)
Raw names from tools/list. Only developers need these.
| grade_mcp_server | Independently grade an MCP server (A–F) BEFORE connecting an agent to it. Returns spec-conformance, security (OWASP MCP Top 10), reliability, tool-hygiene and transparency sub-scores plus a connect/caution/avoid recommendation. Audited by wmcp.sh; the grade is free and never for sale. |
| check_mcp_drift | Check whether an MCP server's tool definitions have changed since it was last trusted (rug-pull / schema-drift detection, the CVE-2025-54136 class). Returns how long the tool surface has been stable, how many times it has changed, and the last change. Use after approval to detect post-trust mutation. |
| verify_before_execute | Verify an MCP server immediately BEFORE you execute any of its tools. Combines the continuously-watched trust grade and live drift status into a single connect/caution/avoid verdict (ok | caution | drifted | failing | ungraded), so you can gate the call in one step. Free, read-tier. The grade is independent and never for sale. |