Certora AI Composer: LLM code generation with the Certora Prover checking invariants in the loop
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Certora AI Composer pairs LLM code generation with the Certora Prover so generated Solidity is checked against invariants before it is accepted. It is a secure-generation tool rather than a scanner, and the clearest example of LLM plus formal verification.

Maintainer: Certora
Website: https://www.certora.com/blog/certora-ai-composer-first-safe-ai-coding-platform
Category: Smart-contract AI auditors
Targets: Solidity
Approach: Secure generation: model writes code, the formal prover checks invariants before acceptance
Access: Open source alpha (2025-12-04)
Status: Alpha
Strengths: Proof-checked output. | Open source.
Limits: Alpha. | Generation, not auditing. | Invariants must be written.
Firms using it: Certora
Sources: https://www.certora.com/blog/certora-ai-composer-first-safe-ai-coding-platform

Source page: https://agentsast.com/tools/certora-ai-composer/
Compiled by: agentsast editors (https://agentsast.com/about/)
Last reviewed: 2026-09-13