Adding MCP capability in DAB #2868
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…a-api-builder into jerry-mcp-core" This reverts commit 0b649dbbc877a8ad009ac31eb4a082664d49bce3, reversing changes made to 2240172.
## Why make this change?
- Introduces a dedicated runtime layer for MCP
## What is this change?
- Adds a runtime initialization module that centralizes configuration
load, validation, DI registration, and service/materialization order.
- Refactors existing startup code into clearer phases; removes
duplicated wiring.
- Improves logging structure and prepares for future feature flags /
layered config overrides.
- Cleans up deprecated code paths (overall net +901 / −130 LOC).
- No intentional breaking changes (verify before merge).
## How was this tested?
- [ ] Integration Tests
- [ ] Unit Tests
## Sample Request(s)
- Discover tools: POST `http://localhost:5000/mcp`
JSON body
```
{
"jsonrpc": "2.0",
"id": "1",
"method": "tools/list",
"params": {}
}
```
- List entities: POST `http://localhost:5000/mcp`
JSON body
```
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "list_entities"
}
}
```
---------
Co-authored-by: Rahul Nishant <[email protected]>
Co-authored-by: RubenCerna2079 <[email protected]>
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Aniruddh Munde <[email protected]>
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Aniruddh25
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Aniruddh25
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function parameters should be camelCased.
…constructor parameters.
anushakolan
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src/Service/Startup.cs
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| services.AddSingleton<DabCacheService>(); | ||
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| // special for MCP |
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src/Azure.DataApiBuilder.Mcp/Core/McpEndpointRouteBuilderExtensions.cs
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## Why make this change? - Fixes service tests for mcp-core PR ## What is this change? - It creates the JsonConverterFactory that is needed to serialize and deserialize the MCP properties correctly. - Fixes tests to ensure that the serialization/deserialization works as intended. ## How was this tested? - [ ] Integration Tests - [X] Unit Tests
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src/Azure.DataApiBuilder.Mcp/Core/McpEndpointRouteBuilderExtensions.cs
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src/Azure.DataApiBuilder.Mcp/BuiltInTools/DescribeEntitiesTool.cs
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Why make this change?
What is this change?
Introduces an MCP service layer that exposes:
Schema / entity metadata derived from the existing DAB configuration (tables, stored procedures, relationships, GraphQL entity projections).
Operation capabilities (read / create / update / delete) aligned with DAB authorization rules.
A capability negotiation / handshake endpoint so MCP clients can discover features.
MCP endpoint can be accessed with
/mcpSample request to discover tools-
How was this tested?
Sample Request(s)