agentgate
AgentGate provides a human-in-the-loop approval workflow for AI agent actions. Agents request approvals via an authenticated HTTP API or an MCP server; a policy engine can auto-approve/auto-deny safe or dangerous actions and otherwise route decisions to humans through multiple channels (dashboard, Slack, Discord, email). It logs an audit trail and can notify external systems via signed webhooks with retries.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
API key auth with documented fine-grained scopes is a strong baseline. README claims 'SSRf protection, ReDoS defense, structured logging, graceful shutdown' and supports webhook signing via HMAC-SHA256 with an optional secret. TLS enforcement is not explicitly stated in the provided excerpt; rate limiting exists. Dependency hygiene and specific CVE status are not verifiable from provided content.
⚡ Reliability
Best When
You need an approval layer between autonomous AI agents and high-impact tools, with clear auditability and human override for non-auto-approved actions.
Avoid When
You cannot operate the required server components (database, dashboard, bots/webhooks) or cannot manage API keys/policies reliably.
Use Cases
- • Human approval gates for sensitive agent actions (e.g., sending emails, deleting files, deploying to production)
- • Policy-based allow/deny/routing for agent tool calls
- • Compliance-friendly audit trails for agent decisions and actions
- • Integrating approval workflows into Slack/Discord and a web dashboard
- • Emitting webhook events for request lifecycle and decisions
Not For
- • Public unauthenticated usage (authentication is required for all endpoints except /health)
- • Use cases requiring OAuth login/SSO flows (the API described uses API keys)
- • High-frequency real-time automation where decisions must be instant without human review
Interface
Authentication
API keys with fine-grained scopes are documented (admin, request:create, request:read, request:decide, webhook:manage). All endpoints except /health require a valid API key.
Pricing
No pricing information provided; appears to be self-hosted/open-source style.
Agent Metadata
Known Gotchas
- ⚠ Decision timeouts/async wait: agents must handle that approval may not be immediate (waitForDecision supports a timeout).
- ⚠ Use correct scopes on API keys; missing scopes will prevent actions (e.g., request:decide for /decide).
- ⚠ Webhook delivery failures are retried, so receiving systems should tolerate duplicate deliveries unless the payload includes a unique delivery/event id.
- ⚠ Rate limiting is per API key; burst traffic may receive 429 responses and should respect retry/backoff.
Alternatives
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Scores are editorial opinions as of 2026-03-30.