Agent Tool Result Contract Checker
Validates every tool result against a per-tool contract (shape, freshness, plausibility) before the agent is allowed to act on it, catching bad data at the source instead of three steps downstream.
- Target market
- Indie devs and small teams running agents that depend on flaky third-party APIs, search tools, or database queries.
Problem snapshot
What this solves
An agent trusts whatever a tool hands back. The weather API returns null, the search tool returns an HTML error page, the DB query returns stale rows, and the agent confidently builds an answer on top of garbage. The failure surfaces three steps later as a wrong final answer, far from the actual cause. There is no checkpoint that says 'this tool result is…
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