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Category
Developer Tools
Rank
No. 2907Tools index
Type
TOOL
Date

About

OpenAPPA is a deterministic guardrail system from Archestra for AI agents connected to many tools, built around a policy language that is specific to the data rather than to each use case, so policies don't need updating as new agents are added. It combines this with techniques like remedy plans and a dual-LLM pattern to keep agents completing their tasks while blocking sensitive data leaks, and plugs into any agent loop via pre- and post-tool-call hooks.

Why it made the leaderboard

It's a deterministic, data-specific policy layer for agent tool calls that the team claims raises task utility from ~40% to ~90% versus existing guardrails, while still blocking sensitive-data leaks, pluggable via pre/post tool-call hooks.

Tags

ai-guardrailsagent-securitydata-leak-preventionpolicy-languagellmarchestra

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.