Gateway MCP server
MCP gateway with runtime security policy, tool-call-level control, and audit of agent actions.
A97/100grade A
Adoption
Growing
1 stars
Reviews
Write oneNobody has reviewed Gateway yet.
If you have run it, two minutes of your experience saves the next person an afternoon.
Gateway tools
Tool list not cached yet. `describe` through the gateway fetches it live.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
no findings
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 289ms (auth required)20/20
- –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
- Auth qualityOAuth resource metadata advertised on 40115/15
- Maintenancelast push 15 days ago15/15
- Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace8/10
Overall 97/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
claude mcp add --transport http gateway https://mcp.sealgate.ai/mcp
Gateway: common questions
- Is Gateway MCP server safe?
- Yes, by our scan: it is graded A (97/100). Read the Gateway safety report
- How do I install Gateway?
- It runs remotely at mcp.sealgate.ai. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Gateway need an API key?
- No key to paste: it signs you in with OAuth when your client connects.
- Is Gateway maintained?
- The last commit was 15 days ago (2026-09-05). The latest release is v1.0.0.
- Is Gateway up?
- 100% of our last 6 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Gateway?
- Servers from other publishers that do the same job: Protect MCP server, agent-device MCP server and MCP server. Compare all Gateway alternatives.
Alternatives to Gateway
Same job from other publishers: the closest match first, then the best rated.
- ProtectFail-closed Cedar policy gate + Ed25519 signed receipts for agent tool calls. Denies on any error.not reviewedGrowingC
- agent-deviceMCP server for mobile app automation: verify, control, and debug iOS, Android, TV, and desktop appsnot reviewedWidely usedA
- MCPAuthorize consequential AI agent actions before executionnot reviewedEstablishedA
- Agent-Native ChatMinimal chat-first app with durable threads, actions, and the app-agent loopnot reviewedEstablishedA
- Roast My Design SystemAudit your Design System and serve your Agent the rules that keep AI-written UI on-system.not reviewedEstablishedA