DutyGraphAI governance directory

Runtime authorization & controls

Docker MCP Gateway

MIT-licensed gateway from Docker that acts as a proxy between MCP clients and MCP servers, running each catalogued local server in an isolated container with restricted privileges, network access and resources, injecting credentials centrally and applying per-profile tool allowlists. It provides no semantic inspection of prompts or tool arguments.

open_source · generally available · Research snapshot 2026-09-06

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Where it fits

Runtime authorization & controls · Observability & traceability

Useful conversation with: Developer platform lead, Application security engineer, DevOps engineer.

Ask for a demonstration

Show me the MCP Gateway running two catalogue servers in isolated containers with a profile tool allowlist that hides one tool, plus the call trace for a blocked request.

Capabilities and evidence

Support labels reflect the supplied research. Documentation and vendor claims are not independent product tests. “Not established” means the researcher did not find support; it does not prove a capability is absent.

Documented by provider

MCP servers run in isolated Docker containers with restricted privileges, network access and resource usage, with the gateway acting as a centralised proxy managing lifecycle, routing and authentication.

Limit: Documentation does not quantify isolation guarantees against container escape or cover remote third-party MCP servers.

Source s1 · Source s2

Documented by provider

Tool allowlists are managed in profiles, and individual tools on a server can be enabled or disabled, determining which servers and tools clients can reach.

Limit: Allowlists are static configuration; no runtime policy evaluation on call arguments is documented.

Source s2

Documented by provider

The gateway injects required credentials before forwarding requests and provides logging and call-tracing for AI tool activity.

Limit: Log retention, export and SIEM integration are not documented on the fetched pages.

Source s1 · Source s2

Limitations to discuss

Sources

  1. MCP Gateway - Docker Docs · Docker, Inc. · official docs
    Access date reported by researcher: 2026-09-06
  2. docker mcp CLI plugin / MCP Gateway · Docker (GitHub) · official repository
    Access date reported by researcher: 2026-09-06

Listing does not imply partnership, supplier status, a working DutyGraph integration, or a compliance certification.

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