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Agent Vault Credential Broker

Category: Security  ·  Sub-category: network-security  ·  Last updated:
ai:agenttype:review
This skill should be used when deploying or debugging Infisical's Agent Vault (a self-hosted, research-preview credential broker that intercepts an agent's outbound HTTPS calls via a local MITM proxy and injects real API keys so the agent process never holds them) — including provisioning a new instance, wiring it in front of an existing agent (OpenClaw, Hermes, a coding agent), the `agent-vault` CLI (vault/service/agent/run subcommands), or debugging a broken cutover. Trigger phrases include "agent vault", "credential broker", "get.agent-vault.dev", "agent-vault run", "AGENT_VAULT_TOKEN", "AGENT_VAULT_ADDR", "AGENT_VAULT_VAULT", "mitm-ca.pem", "agent-vault server", "unmatched_host_policy", "openclaw-on-vps.mdx", "hermes-on-vps.mdx", "placeholder api key vault", "__anthropic_api_key__", "Failed to set up mount namespacing", "agent process never holds credential", "MITM proxy inject api key", "vault service add catalog", "netguard blocked by network policy", "AGENT_VAULT_NETWORK_ALLOWLIST", "AGENT_VAULT_ALLOW_PRIVATE_RANGES", "agent vault 502 internal host", "agent vault tailnet private ip blocked", "credential set argv", "/v1/credentials", "copy credential between vaults", "Tunnel connection failed: 407", "urllib proxy auth", "one vault per consumer".
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Built and verified end-to-end 2026-08-31 deploying a new instance and cutting an existing OpenClaw gateway over to it. It's a research preview — re-check https://github.com/Infisical/agent-vault and its docs/ folder before trusting any exact command here to still be current.

What this skill does

Agent Vault Credential Broker is a community-contributed Claude Code skill in the network-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/agent-vault-credential-broker/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Agent Vault Credential Broker Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 211,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/agent-vault-credential-broker
curl -L https://claudskills.com/skills/agent-vault-credential-broker/SKILL.md \
  -o ~/.claude/skills/agent-vault-credential-broker/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/agent-vault-credential-broker/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/agent-vault-credential-broker/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\agent-vault-credential-broker\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Agent Vault Credential Broker Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/agent-vault-credential-broker/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Agent Vault Credential Broker skill do?
This skill should be used when deploying or debugging Infisical's Agent Vault (a self-hosted, research-preview credential broker that intercepts an agent's outbound HTTPS calls via a local MITM proxy and injects real API keys so the agent process never holds them) — including provisioning a new instance, wiring it in front of an existing agent (OpenClaw, Hermes, a coding agent), the `agent-vault` CLI (vault/service/agent/run subcommands), or debugging a broken cutover. Trigger phrases include "agent vault", "credential broker", "get.agent-vault.dev", "agent-vault run", "AGENT_VAULT_TOKEN", "AGENT_VAULT_ADDR", "AGENT_VAULT_VAULT", "mitm-ca.pem", "agent-vault server", "unmatched_host_policy", "openclaw-on-vps.mdx", "hermes-on-vps.mdx", "placeholder api key vault", "__anthropic_api_key__", "Failed to set up mount namespacing", "agent process never holds credential", "MITM proxy inject api key", "vault service add catalog", "netguard blocked by network policy", "AGENT_VAULT_NETWORK_ALLOWLIST", "AGENT_VAULT_ALLOW_PRIVATE_RANGES", "agent vault 502 internal host", "agent vault tailnet private ip blocked", "credential set argv", "/v1/credentials", "copy credential between vaults", "Tunnel connection failed: 407", "urllib proxy auth", "one vault per consumer".
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Agent Vault Credential Broker skill?
Use Agent Vault Credential Broker when your Claude Code task falls under the Security category — specifically in the network security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Agent Vault Credential Broker" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Agent Vault Credential Broker skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Agent Vault Credential Broker is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
jackson2w. (2026). Agent Vault Credential Broker [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/agent-vault-credential-broker/
BibTeX
@misc{agent-vault-credential-broker-2026,
  author    = {jackson2w},
  title     = {Agent Vault Credential Broker [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/agent-vault-credential-broker/}
}

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Security scan

Grade A · scanned 2026-10-25 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (network), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

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[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/agent-vault-credential-broker/#security)

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Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills
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