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Hacker News Show HN: AVP – an agent can't leak a secret it never had

A robust security solution addressing prompt injection and secret leakage by ensuring 'an agent can't leak a secret it never had.' Positions itself as a superior alternative to traditional firewalls for containing secrets within AI agent workflows.

3
Traction Score
1
Discussions
Jun 12, 2026
Launch Date
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Product Positioning & Context

AI Executive Synthesis
A robust security solution addressing prompt injection and secret leakage by ensuring 'an agent can't leak a secret it never had.' Positions itself as a superior alternative to traditional firewalls for containing secrets within AI agent workflows.
The increasing adoption of AI agents in development workflows introduces significant security vulnerabilities, particularly concerning secret management and prompt injection. AVP directly addresses the critical pain point of preventing agents from accessing or exfiltrating sensitive API keys and credentials. Its core innovation—injecting secrets 'on the wire' rather than storing them in the agent's environment—establishes a robust security paradigm. This approach surpasses traditional firewall methods, which attempt to contain secrets already held by a process. For B2B SaaS, AVP is essential for organizations deploying AI agents that interact with external APIs or sensitive systems, mitigating data exfiltration risks and enhancing compliance. It is a critical infrastructure component for secure AI adoption.
A process can't leak a secret it never had.Shai-hulud, prompt-injection - you name it. They cannot steal what your agent (or an process) don't have.I run coding agents (Claude Code, Codex) on my own machines most of the day. Every one of them wants real API keys in env and I was scratching my head for the last few months how to contain it.The usual answer to this is a firewall. I don't buy it. A firewall tries to contain a secret the process is still holding, and the rules are painful to maintain.AVP gives the agent a placeholder and injects the real value at the last moment, on the wire:
```
# the agent's env holds only a placeholder
STRIPE_API_KEY=avp-placeholder
# agent sends: Authorization: Bearer avp-placeholder
# AVP forwards upstream: Authorization: Bearer sk_live_...real...
```Keep your passwords in your vault where they belong. AVP initially relies on Bitwarden as a secret manager. It's MIT licensed.Appreciate any feedback.
prompt-injection coding agents (Claude Code, Codex) API keys in env firewall placeholder injects the real value at the last moment, on the wire Bitwarden as a secret manager MIT licensed

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Deep-Dive FAQs

What is AVP – an agent can't leak a secret it never had?
AVP – an agent can't leak a secret it never had is analyzed by our AI as: A robust security solution addressing prompt injection and secret leakage by ensuring 'an agent can't leak a secret it never had.' Positions itself as a superior alternative to traditional firewalls for containing secrets within AI agent workflows.. It focuses on The increasing adoption of AI agents in development workflows introduces significant security vulnerabilities, particularly concerning secret manag...
Where did AVP – an agent can't leak a secret it never had originate?
Data for AVP – an agent can't leak a secret it never had was aggregated directly from the Hacker News community ecosystem, representing raw developer and early-adopter sentiment.
When was AVP – an agent can't leak a secret it never had publicly launched?
The initial public indexing or launch date for AVP – an agent can't leak a secret it never had within our tracked developer communities was recorded on June 12, 2026.
How popular is AVP – an agent can't leak a secret it never had?
AVP – an agent can't leak a secret it never had has achieved measurable traction, logging over 3 traction score and facilitating 1 recorded discussions or engagements.
Which technical categories define AVP – an agent can't leak a secret it never had?
Based on metadata extraction, AVP – an agent can't leak a secret it never had is categorized under topics such as: prompt-injection, coding agents (Claude Code, Codex), API keys in env, firewall.
How does the creator describe AVP – an agent can't leak a secret it never had?
The original author or development team describes the product as follows: "A process can't leak a secret it never had.Shai-hulud, prompt-injection - you name it. They cannot steal what your agent (or an process) don't have.I run coding agents (Claude Code, Codex) on my ow..."

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