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Perseus Vault Codex

A tiny MCP server that wraps Perseus Vault to provide persistent, encrypted, local-first memory for OpenAI Codex agents, enabling them to remember project conventions, decisions, and context across sessions.

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// key findings
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 3 credentials: PERSEUS_VAULT_LLM_API_KEY, OPENAI_API_KEY, PERSEUS_VAULT_CODEX_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configPERSEUS_VAULT_BIN/path/to/perseus-vault python scripts/demo.py
configPERSEUS_VAULT_LLM_ENDPOINT
🔐 secretPERSEUS_VAULT_LLM_API_KEY
configPERSEUS_VAULT_LLM_MODEL
🔐 secretOPENAI_API_KEY
configOPENAI_BASE_URL
configOPENAI_MODEL
configPERSEUS_VAULT_CODEX_DB
configPERSEUS_VAULT_CODEX_ENCRYPT
🔐 secretPERSEUS_VAULT_CODEX_KEY
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/perseus-computing-llc-perseus-vault-codex-8k8szf)](https://m8ven.ai/mcp/perseus-computing-llc-perseus-vault-codex-8k8szf)
commit: 4416ae14bb0cdd2e802a545839ca0d1dd989a3dc
code hash: a0b322356fa99fb7abd32e8e6878ff9ab44ab1a5ff6b236e848bd2fa5a7d3825
verified: 7/14/2026, 8:32:51 AM
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