feat: add MCP OAuth auth module with RestApi integration - #380
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- Add service-agnostic mcp-auth module (handlers, MCP server, JSON-RPC) - Add McpAuth CDK construct creating 5 Lambda functions for OAuth endpoints - Add McpCognitoAuth convenience construct for Cognito-backed auth - Integrate into RestApi via mcpAuth prop (cognito or generic config) - Auto-inject OAuth discovery, authorize, token, register paths into OpenAPI spec - All MCP auth endpoints are anonymous (no authorizer) - apiDomain and stageName derived from RestApi props (no duplication)
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Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
- Add 62 unit tests across 3 suites (construct, handlers, MCP server) - Update llm.md with MCP auth usage, interfaces, and examples
Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Critical: - Replace regex param stripping with URLSearchParams in token handler - Add grant_type validation (authorization_code, refresh_token only) - Increase Lambda timeout to 15s (exceeds 10s fetch abort) Warnings: - Refactor createMcpAuth cognito path to use McpCognitoAuth (no duplication) - Add env var validation in getConfigFromEnv - Add ordering/rationale comments for MCP auth injection and permissions Tests: - Add RestApi+mcpAuth integration test (5 paths with security:[]) - Add grant_type validation tests to token handler suite
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