MCP Server Registries & Marketplaces

Published on 30 June 2025 • Updated on 2 July 2025

1. Community Registries (Current State)

No central MCP registry exists yet, but standards emerging around:

mcp.json format with tool_id, args_schema, auth_level.
GitHub repositories acting as tool registries (e.g., Sourcegraph, Claude Desktop).

2. Emerging Platforms

MCPHub.io (proposed): A public registry prototype for verified MCP toolchains and trusted metadata.
Claude Registry Protocol: Anthropic exploring DNS-style verification for MCP endpoints.

VS Code / LangChain integration: Auto-discovery via file trees and tool manifests.

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