Phase
An open-source secrets manager that syncs API keys and environment variables to apps, CI and agents with end-to-end encryption and access control. Free tier, Pro from $10 per user a month, or self-host.
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Use cases
About Phase
Phase is listed in our security & governance category and is aimed at builders. An open-source secrets manager that syncs API keys and environment variables to apps, CI and agents with end-to-end encryption and access control. Free tier, Pro from $10 per user a month, or self-host. Pricing, as the maker states it: Free plan; Pro $10 per user/month; self-host free.. Maturity: Active. We last checked the official link on 2026-10-20.
Phase at a glance
- Category: Security & governance
- Built for: Developers and teams building with AI agents
- Pricing: Free plan; Pro $10 per user/month; self-host free. (as the maker states it)
- GitHub: phasehq/console · 931 stars (as of Oct 20, 2026)
- Latest release: v2.78.0, Oct 20, 2026
- Last commit: Oct 20, 2026
- Official site: phase.dev
- Listed on AgentScout: Oct 20, 2026
Phase FAQ
What is Phase?
An open-source secrets manager that syncs API keys and environment variables to apps, CI and agents with end-to-end encryption and access control. Free tier, Pro from $10 per user a month, or self-host.
How much does Phase cost?
Phase's pricing, as the maker states it: Free plan; Pro $10 per user/month; self-host free.. Check the official site for current plans.
Where can I find Phase's source code?
On GitHub at phasehq/console, which had 931 stars as of Oct 20, 2026. The latest release is v2.78.0 (Oct 20, 2026).
What are alternatives to Phase?
Similar tools include Infisical, Agent Vault, Halofy, Guardrails AI, Cisco MCP Scanner and Superagent.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
Phase ratings and reviews
Phase alternatives
Other security & governance tools in our directory. See all security & governance tools →
Infisical
Open-source platform for managing secrets, certificates and privileged access, including scoped credentials for AI agents.
Agent Vault
Infisical's open-source credential broker that proxies API calls for AI agents so they never hold secrets themselves.
Halofy
Halofy is an access and governance layer for a team's AI agents, giving every agent organizational context through one identity and policy model with provenance and audit, alongside a desktop AI workstation that turns power users' agent practices into shared policies.
Guardrails AI
Open-source framework for validating LLM inputs and outputs with configurable guardrails.
Cisco MCP Scanner
Cisco's open-source scanner that checks MCP servers and tools for malicious or risky behaviour using YARA rules and LLM analysis.
Superagent
SDK for AI agent safety that blocks prompt injections and unsafe tool calls, redacts PII and secrets, and runs red-team scenarios.
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