Identity, Reputation & Capability

Plugin Registry

Registry and discovery layer for agent plugins, tools, and external service endpoints.

Plugin registries provide the discovery surface that lets agents find and authenticate external tools before invoking them. They make plugin ecosystems safer by binding tool metadata, trust signals, and integration rules to a searchable registry rather than informal prompt instructions.

Three Pillars

Why This Becomes Necessary

Tool ecosystems become unsafe when agents discover capabilities through undocumented conventions instead of a governed directory with stable identity and trust metadata.

What a Solution Must Provide

Teams need plugin metadata schemas, publisher identity checks, versioning, revocation handling, capability search, and policy hooks that can block unsafe or unverified integrations.

Regulatory & Standards Angle

Service discovery becomes a governance issue when organizations need to prove which external tools an agent was allowed to find and use at a specific point in time.

Related Primitives

Parent Hub

identityregistry.org

Foundational identity and trust registry for AI agents

capabilitydirectory.com

Directory of declared capabilities for autonomous agents

capabilitymarket.com

Market infrastructure for pricing and sourcing agent capabilities

capabilityregistry.org

Institutional registry standards for agent capabilities

Cross-Cluster Context

safety

tasksteward.com

Task oversight and delegation governance for agent fleets

audit

executionkit.com

Developer toolkit for execution verification and audit hooks

Relevant: eIDAS Regulation (EU) No 910/2014 - eIDAS remains the core European framework for electronic identification, trust services, and verifiable credentials. Source

Research: Virtual Agent Economies — Nenad Tomašev, Matija Franklin, Joel Z. Leibo, Julian Jacobs, William A. Cunningham, Iason Gabriel, Simon Osindero

“Model Context Protocol (MCP), on the other hand, enables AI agents to interact seamlessly with external tools, data sources, and APIs. The AgentDNS system aims to enable easier service discovery in order to autonomously identify and invoke third-party tools and agents across organizations.”

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