// GLOSSARY -- AGENTIC AI

What is Shadow MCP?

1 min read Updated

MCP servers deployed by employees without IT oversight, giving AI agents ungoverned access to production systems, databases, and APIs — the 2026 equivalent of shadow IT.

WHY IT MATTERS

Developers install MCP servers to give their AI coding assistants access to databases, APIs, and internal tools. These servers often run with the developer's own credentials, bypass corporate security policies, and are invisible to IT teams.

Shadow MCP is growing fast because MCP servers are trivially easy to install (a single npx command) and provide immediate productivity gains. But each ungoverned server is an unmonitored access point to production systems.

HOW POLICYLAYER USES THIS

PolicyLayer's crawler discovers MCP servers across registries. Intercept provides the governance layer — even shadow MCP servers can be brought under policy control without removing the productivity benefits.

FURTHER READING

Enforce policies on every tool call

Intercept is the open-source MCP proxy that enforces YAML policies on AI agent tool calls. No code changes needed.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
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