docs: add MCP server to Building with AI page

[pengying]

Summary

• Adds an "MCP server" section to the Building with AI docs page
• Documents the grid.lightspark.com/mcp endpoint with its two tools (search_grid_api_documentation, get_page_grid_api_documentation)
• Includes a JSON config snippet for MCP-compatible clients
• Notes that the server supports documentation access for agentic workflows, not direct API interaction
• Placed after the agent skill section, before example prompts

Test plan

• Verify the page renders correctly with make mint
• Confirm the anchor link to #install-the-grid-api-agent-skill works from the Info callout

🤖 Generated with Claude Code

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[greptile-apps]

Greptile Summary

This PR adds a new "MCP server" section to the Building with AI docs page, documenting the https://grid.lightspark.com/mcp endpoint, its two tools (search_grid_api_documentation, get_page_grid_api_documentation), and a JSON config snippet for MCP-compatible clients.

The content is well-structured and accurately describes the server's scope (documentation access only, not direct API interaction). The anchor link to #install-the-grid-api-agent-skill in the <Info> callout correctly matches the heading on line 80.

Confidence Score: 5/5

Safe to merge — documentation-only addition with no logic, schema, or API changes.

All findings are P2 or lower, and the one previously flagged issue (missing language tag on the URL code block) was already captured in a prior review thread. The new section is accurate, well-structured, uses correct Mintlify components, and the anchor link resolves correctly.

No files require special attention.

Important Files Changed

Filename	Overview
mintlify/platform-overview/building-with-ai.mdx	Adds a well-structured MCP server section with correct anchor links, a valid JSON config block, and an appropriate callout; the only minor issue (missing language tag on the URL code block) was flagged in a prior review thread.

Sequence Diagram

sequenceDiagram
    participant Dev as Developer / AI Agent
    participant Client as MCP Client (Claude Desktop, Cursor, Windsurf)
    participant MCP as grid.lightspark.com/mcp
    participant Docs as Grid Documentation

    Dev->>Client: Configure MCP server URL
    Client->>MCP: Connect (streamable HTTP transport)
    Dev->>Client: Ask question about Grid API
    Client->>MCP: search_grid_api_documentation(query)
    MCP->>Docs: Search documentation index
    Docs-->>MCP: Matching pages/excerpts
    MCP-->>Client: Search results
    Client->>MCP: get_page_grid_api_documentation(page)
    MCP->>Docs: Fetch full page content
    Docs-->>MCP: Page markdown
    MCP-->>Client: Full page content
    Client-->>Dev: AI response with Grid API context

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_{Reviews (2): Last reviewed commit: "docs: add MCP server section to Building..." | Re-trigger Greptile}

[jklein24]

I still don't entirely see the benefit of using MCP over other mechanisms for this (the skill or just pointing at llms.txt), but I guess this doesn't hurt.

[pengying]

I'm not sure either, just trying to fulfill all user preferences. And the MCP server has 0 maintenance.

It's after the skill which is preferred and we have more control over.

[pengying]

I don't want some PM comparing between Grid and Modern Treasury and choosing Modern Treasury because they have a MCP server