feat(gateway): add MCP server endpoint with streamable HTTP transport (#52)

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- Install @modelcontextprotocol/sdk and zod in apps/gateway
- Create McpModule with McpService and controller at /mcp endpoint
- Implement stateful streamable HTTP transport (MCP spec 2025-03-26)
- Expose 14 tools: brain (projects/tasks/missions), memory, coord
- Require valid BetterAuth session for all MCP connections
- Per-session McpServer + StreamableHTTPServerTransport instances
- Follows same Fastify onRequest hook pattern as auth handler
- Add mcp.dto.ts with McpToolDescriptor and McpServerInfo interfaces

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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This commit is contained in:

Jason Woltje

2026-03-15 13:04:27 -05:00

parent a8dc498794

commit e2de76ca9f

9 changed files with 1196 additions and 11 deletions

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