MCP - Tools infrastructure

[zamoore]

📌 Summary

If merged, this PR wires in MCP tool registration and adds the initial shared tool infrastructure/types for future tool implementations.

🛠️ Detailed description

• Updates packages/mcp/src/index.ts to call registerTools(server) during server setup.
• Adds packages/mcp/src/tools/index.ts with a centralized TOOLS registry and registration loop.
• Adds packages/mcp/src/tools/types.ts with a typed McpTool interface (name/config/callback) based on MCP SDK types.
• No concrete tools are added yet; this is scaffolding for upcoming MCP tools.

Copilot instructions

Review for:

• type safety and SDK type compatibility in McpTool,
• correct registration flow/order in server bootstrap,
• extensibility of the tools registry pattern for adding real tools next.

Jira ticket: HDS-6495

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👀 Component checklist

• Percy was checked for any visual regression
• A changelog entry was added via Changesets if needed (see templates here)

💬 Please consider using conventional comments when reviewing this PR.

📋 PCI review checklist

• If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.
• If applicable, I've worked with GRC to document the impact of any changes to security controls.
  Examples of changes to controls include access controls, encryption, logging, etc.
• If applicable, I've worked with GRC to ensure compliance due to a significant change to the in-scope PCI environment.
  Examples include changes to operating systems, ports, protocols, services, cryptography-related components, PII processing code, etc.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
hds-showcase	Ready	Preview	Jul 7, 2026 2:56pm
hds-website	Ready	Preview	Jul 7, 2026 2:56pm

[Copilot]

Pull request overview

This PR adds initial scaffolding to support MCP tool registration in the packages/mcp server, establishing a central registry and shared tool typing so future tools can be added consistently.

Changes:

• Calls registerTools(server) during MCP server bootstrap.
• Introduces a tools/ registry module with a registration loop.
• Adds a shared McpTool interface to standardize tool metadata and callbacks.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
packages/mcp/src/index.ts	Invokes tool registration as part of server construction.
packages/mcp/src/tools/index.ts	Adds a central registry and iterates it to register tools with the server.
packages/mcp/src/tools/types.ts	Defines the McpTool interface for tool definitions and callback typing.

[MelSumner]