Python: Docs: fix 9 dead external links across samples, demos and ADR

docs/decisions/0067-hybrid-search.md

@@ -48,7 +48,7 @@ ML.Net contains an implementation of TF-IDF that could be used to generate spars
 |Feature|Azure AI Search|Weaviate|Redis|Chroma|Pinecone|PostgreSql|Qdrant|Milvus|Elasticsearch|CosmosDB NoSql|MongoDB|
 |-|-|-|-|-|-|-|-|-|-|-|-|
 |Hybrid search supported|Y|Y|N (No parallel execution with fusion)|N|Y|Y|Y|Y|Y|Y|Y|
-|Hybrid search definition|Vector + FullText|[Vector + Keyword (BM25F)](https://weaviate.io/developers/weaviate/search/hybrid)|||[Vector + Sparse Vector for keywords](https://docs.pinecone.io/guides/get-started/key-features#hybrid-search)|[Vector + Keyword](https://jkatz05.com/post/postgres/hybrid-search-postgres-pgvector/)|[Vector + SparseVector / Keyword](https://qdrant.tech/documentation/concepts/hybrid-queries/)|[Vector + SparseVector](https://milvus.io/docs/multi-vector-search.md)|Vector + FullText|[Vector + Fulltext (BM25)](https://learn.microsoft.com/en-us/azure/cosmos-db/gen-ai/hybrid-search)|[Vector + FullText](https://www.mongodb.com/docs/atlas/atlas-search/tutorial/hybrid-search)|
+|Hybrid search definition|Vector + FullText|[Vector + Keyword (BM25F)](https://weaviate.io/developers/weaviate/search/hybrid)|||[Vector + Sparse Vector for keywords](https://docs.pinecone.io/guides/search/hybrid-search)|[Vector + Keyword](https://jkatz05.com/post/postgres/hybrid-search-postgres-pgvector/)|[Vector + SparseVector / Keyword](https://qdrant.tech/documentation/concepts/hybrid-queries/)|[Vector + SparseVector](https://milvus.io/docs/multi-vector-search.md)|Vector + FullText|[Vector + Fulltext (BM25)](https://learn.microsoft.com/en-us/azure/cosmos-db/gen-ai/hybrid-search)|[Vector + FullText](https://www.mongodb.com/docs/atlas/atlas-search/tutorial/hybrid-search)|
 |Fusion method configurable|N|Y|||?|Y|Y|Y|Y, but only one option|Y, but only one option|N|
 |Fusion methods|[RRF](https://learn.microsoft.com/en-us/azure/search/hybrid-search-ranking)|Ranked/RelativeScore|||?|[Build your own](https://jkatz05.com/post/postgres/hybrid-search-postgres-pgvector/)|RRF / DBSF|[RRF / Weighted](https://milvus.io/docs/multi-vector-search.md)|[RRF](https://www.elastic.co/search-labs/tutorials/search-tutorial/vector-search/hybrid-search)|[RRF](https://learn.microsoft.com/en-us/azure/cosmos-db/nosql/query/rrf)|[RRF](https://www.mongodb.com/docs/atlas/atlas-search/tutorial/hybrid-search)|
 |Hybrid Search Input Params|Vector + string|[Vector + string](https://weaviate.io/developers/weaviate/api/graphql/search-operators#hybrid)|||Vector + SparseVector|Vector + String|[Vector + SparseVector](https://qdrant.tech/documentation/concepts/hybrid-queries/)|[Vector + SparseVector](https://milvus.io/docs/multi-vector-search.md)|Vector + string|Vector + string array|Vector + string|
@@ -73,7 +73,7 @@ Cosmos DB NoSQL is the only database from our sample that has a required setting
 |Feature|Azure AI Search|Weaviate|Redis|Chroma|Pinecone|PostgreSql|Qdrant|Milvus|Elasticsearch|CosmosDB NoSql|MongoDB|
 |-|-|-|-|-|-|-|-|-|-|-|-|
 |Requires FullTextSearch indexing for hybrid search|Y|Y|n/a|n/a|n/a|Y|N [optional](https://qdrant.tech/documentation/concepts/filtering/#full-text-match)|n/a|Y|Y|[Y](https://www.mongodb.com/docs/atlas/atlas-search/tutorial/hybrid-search/?msockid=04b550d92f2f619c271a45a42e066050#create-the-atlas-vector-search-and-fts-indexes)|
-|Required FullTextSearch index options|None required, [many optional](https://learn.microsoft.com/en-us/rest/api/searchservice/indexes/create?view=rest-searchservice-2024-07-01&tabs=HTTP)|None required, [none optional](https://weaviate.io/developers/weaviate/concepts/indexing#collections-without-indexes)||||[language required](https://jkatz05.com/post/postgres/hybrid-search-postgres-pgvector/)|none required, [some optional](https://qdrant.tech/documentation/concepts/indexing/#full-text-index)||None required, [many optional](https://elastic.github.io/elasticsearch-net/8.16.3/api/Elastic.Clients.Elasticsearch.Mapping.TextProperty.html)|Language Required|None required, [many optional](https://www.mongodb.com/docs/atlas/atlas-search/field-types/string-type/#configure-fts-field-type-field-properties)|
+|Required FullTextSearch index options|None required, [many optional](https://learn.microsoft.com/en-us/rest/api/searchservice/indexes/create?view=rest-searchservice-2024-07-01&tabs=HTTP)|None required, [none optional](https://weaviate.io/developers/weaviate/concepts/indexing#collections-without-indexes)||||[language required](https://jkatz05.com/post/postgres/hybrid-search-postgres-pgvector/)|none required, [some optional](https://qdrant.tech/documentation/concepts/indexing/#full-text-index)||None required, [many optional](https://www.elastic.co/guide/en/elasticsearch/reference/current/text.html)|Language Required|None required, [many optional](https://www.mongodb.com/docs/atlas/atlas-search/field-types/string-type/#configure-fts-field-type-field-properties)|
 
 ### Keyword Search interface options
 

dotnet/samples/Demos/A2AClientServer/README.md

@@ -1,7 +1,7 @@
 # A2A Client and Server samples
 
 > **Warning**
-> The [A2A protocol](https://google.github.io/A2A/) is still under development and changing fast.
+> The [A2A protocol](https://a2a-protocol.org/latest/) is still under development and changing fast.
 > We will try to keep these samples updated as the protocol evolves.
 
 These samples are built with [SharpA2A.Core](https://www.nuget.org/packages/SharpA2A.Core) and demonstrate:

dotnet/samples/Demos/ModelContextProtocolClientServer/README.md

@@ -114,7 +114,7 @@ The MCP specification supports remote MCP servers. You can find more information
  [Server-Side Events (SSE)](https://modelcontextprotocol.io/docs/concepts/transports#server-sent-events-sse) and [HTTP with SSE](https://modelcontextprotocol.io/specification/2024-11-05/basic/transports#http-with-sse).
 
 The [MCP C# SDK](https://github.com/modelcontextprotocol/csharp-sdk) provides all the necessary components to easily create a remote MCP server.
-To get started, follow this sample: [AspNetCoreSseServer](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/AspNetCoreSseServer).
+To get started, follow this sample: [AspNetCoreMcpServer](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/AspNetCoreMcpServer).
 
 ## Authentication
 

dotnet/samples/Demos/ModelContextProtocolPluginAuth/README.md

@@ -18,8 +18,8 @@ The sample shows:
 
 - A self-signed certificate to enable HTTPS use in development, see [dotnet dev-certs](https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-dev-certs)
 - .NET 10.0 or later
-- A running TestOAuthServer (for OAuth authentication), see [Start the Test OAuth Server](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/ProtectedMCPClient#step-1-start-the-test-oauth-server)
-- A running ProtectedMCPServer (for MCP services), see [Start the Protected MCP Server](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/ProtectedMCPClient#step-2-start-the-protected-mcp-server)
+- A running TestOAuthServer (for OAuth authentication), see [Start the Test OAuth Server](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/ProtectedMcpClient#step-1-start-the-test-oauth-server)
+- A running ProtectedMCPServer (for MCP services), see [Start the Protected MCP Server](https://github.com/modelcontextprotocol/csharp-sdk/tree/main/samples/ProtectedMcpClient#step-2-start-the-protected-mcp-server)
 
 ## Configuring Secrets or Environment Variables
 

dotnet/samples/Demos/VoiceChat/README.md

@@ -35,8 +35,8 @@ To reduce latency in real-world scenarios, you can integrate with streaming spee
 - **Speech-to-Text (STT)**
   - [OpenAI Realtime API (Whisper streaming)](https://platform.openai.com/docs/guides/realtime)  
   - [Azure Cognitive Services Speech-to-Text](https://learn.microsoft.com/azure/cognitive-services/speech-service/speech-to-text)  
-  - [Deepgram Streaming STT](https://developers.deepgram.com/docs/streaming)  
-  - [AssemblyAI Streaming STT](https://www.assemblyai.com/docs/real-time-speech-recognition)  
+  - [Deepgram Streaming STT](https://developers.deepgram.com/docs/live-streaming-audio)  
+  - [AssemblyAI Streaming STT](https://www.assemblyai.com/docs/streaming)  
 
 - **Text-to-Speech (TTS)**
   - [OpenAI Realtime API (TTS streaming)](https://platform.openai.com/docs/guides/realtime)  

python/samples/concepts/mcp/README.md

@@ -25,7 +25,7 @@ The reverse, using Semantic Kernel as a server, can be found in the [demos/mcp_s
 1. Depending on the sample you want to run:
     1. [Docker](https://www.docker.com/products/docker-desktop/) installed, for the samples that use the Github MCP server.
     1. [uv](https://docs.astral.sh/uv/getting-started/installation/) installed, for the samples that use the local MCP server.
-2. The Github MCP Server uses a Github Personal Access Token (PAT) to authenticate, see [the documentation](https://github.com/modelcontextprotocol/servers/tree/main/src/github) on how to create one.
+2. The Github MCP Server uses a Github Personal Access Token (PAT) to authenticate, see [the documentation](https://github.com/github/github-mcp-server) on how to create one.
 1. Check the comment at the start of the sample you want to run, for the appropriate environment variables to set.
 1. Install Semantic Kernel with the mcp extra: