Certifai

Most AI hallucination tools check if content is true. But the failures that actually break agent pipelines are often structural: invented JSON fields, mismatched tool outputs, or prompt injections hidden in retrieved content. This suite runs four suppressors in one API call: grounding checks, injection detection, JSON schema validation, and tool‑response verification. Available as a REST API and MCP server. Free tier (500 requests/month) at certifai.dev