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Gursharan Singh

Software engineer writing practical, production-oriented notes on AI engineering: MCP, RAG, and AI agents. Patterns over products.Engineer-to-engineer.

Location USA Joined Joined on  Personal website https://aiinpracticehub.com

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AI in Practice — Start Here
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AI in Practice — Start Here

#ai #architecture #agents #rag
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4 min read
One Retrieval Method Is Not a Diagnosis
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One Retrieval Method Is Not a Diagnosis

#rag #retrieval #bm25 #evaluation
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6 min read

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Why Fixed-Size Chunking Breaks Retrieval
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Why Fixed-Size Chunking Breaks Retrieval

#rag #chunking #retrieval #evaluation
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6 min read
AI Agents in Practice — Part 8: The Boundaries That Keep Agents Safe
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AI Agents in Practice — Part 8: The Boundaries That Keep Agents Safe

#ai #agents #llm #architecture
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17 min read
AI Agents in Practice — Part 7: When the Loop Goes Wrong: Reading Agent Failures from the Trace
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AI Agents in Practice — Part 7: When the Loop Goes Wrong: Reading Agent Failures from the Trace

#ai #agents #llm #architecture
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11 min read
AI Agents in Practice — Part 6: Building the Production Agent Loop
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AI Agents in Practice — Part 6: Building the Production Agent Loop

#ai #agents #llm #architecture
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18 min read
AI Agents in Practice — Part 5: Workflow, Agent, or Single LLM Call — How to Decide
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AI Agents in Practice — Part 5: Workflow, Agent, or Single LLM Call — How to Decide

#ai #agents #llm #architecture
Comments 2
22 min read
AI Agents in Practice — Part 4: Five Agent Patterns and the Control Surfaces That Make Them Safe
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AI Agents in Practice — Part 4: Five Agent Patterns and the Control Surfaces That Make Them Safe

#ai #agents #llm #architecture
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17 min read
AI Agents in Practice — Part 3: How the Control Loop Actually Works
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AI Agents in Practice — Part 3: How the Control Loop Actually Works

#ai #agents #architecture #llm
Comments 4
13 min read
AI Agents in Practice — Read from the beginning
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AI Agents in Practice — Read from the beginning

#agents #ai #architecture #webdev
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3 min read
AI Agents in Practice — Part 2: What Makes Something an Agent
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AI Agents in Practice — Part 2: What Makes Something an Agent

#ai #agents #llm #architecture
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11 min read
AI Agents in Practice — Part 1: The Demo Worked. Production Didn't.
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AI Agents in Practice — Part 1: The Demo Worked. Production Didn't.

#ai #agents #llm #architecture
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8 min read
RAG in Practice — Part 8: RAG in Production — What Breaks After Launch
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RAG in Practice — Part 8: RAG in Production — What Breaks After Launch

#rag #ai #architecture #webdev
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13 min read
RAG in Practice — Part 7: Your RAG System Is Wrong. Here's How to Find Out Why.
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RAG in Practice — Part 7: Your RAG System Is Wrong. Here's How to Find Out Why.

#rag #ai #architecture #webdev
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14 min read
RAG in Practice — Part 6: RAG, Fine-Tuning, or Long Context?
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RAG in Practice — Part 6: RAG, Fine-Tuning, or Long Context?

#rag #ai #architecture #webdev
2
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9 min read
RAG in Practice — Part 5: Build a RAG System in Practice
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RAG in Practice — Part 5: Build a RAG System in Practice

#rag #ai #architecture #webdev
2
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13 min read
RAG in Practice — Part 4: Chunking, Retrieval, and the Decisions That Break RAG
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RAG in Practice — Part 4: Chunking, Retrieval, and the Decisions That Break RAG

#rag #ai #architecture #webdev
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10 min read
MCP in Practice — Part 9: From Concepts to a Hands-On Example
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MCP in Practice — Part 9: From Concepts to a Hands-On Example

#mcp #ai #architecture #webdev
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7 min read
MCP in Practice — Part 8: Your MCP Server Is Authenticated. It Is Not Safe Yet.
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MCP in Practice — Part 8: Your MCP Server Is Authenticated. It Is Not Safe Yet.

#mcp #ai #architecture #webdev
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10 min read
MCP in Practice — Part 7: MCP Transport and Auth in Practice
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MCP in Practice — Part 7: MCP Transport and Auth in Practice

#mcp #ai #architecture #webdev
Comments 2
7 min read
MCP in Practice — Part 6: Your MCP Server Worked Locally. What Changes in Production?
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MCP in Practice — Part 6: Your MCP Server Worked Locally. What Changes in Production?

#mcp #ai #architecture #webdev
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8 min read
RAG in Practice — Read from the beginning
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RAG in Practice — Read from the beginning

#rag #ai #architecture #webdev
Comments
2 min read
MCP in Practice — Read from the beginning
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MCP in Practice — Read from the beginning

#mcp #ai #architecture #webdev
1
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2 min read
RAG in Practice — Part 3: How RAG Works — The Complete Pipeline
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RAG in Practice — Part 3: How RAG Works — The Complete Pipeline

#rag #ai #architecture #webdev
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9 min read
RAG in Practice — Part 2: What RAG Is and Why It Works
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RAG in Practice — Part 2: What RAG Is and Why It Works

#rag #ai #architecture #webdev
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5 min read
RAG in Practice — Part 1: Why AI Gets Things Wrong
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RAG in Practice — Part 1: Why AI Gets Things Wrong

#rag #ai #architecture #webdev
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4 min read
MCP in Practice — Part 5: Build Your First MCP Server (and Client)
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MCP in Practice — Part 5: Build Your First MCP Server (and Client)

#mcp #ai #python #backend
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11 min read
MCP in Practice — Part 4: MCP vs Everything Else
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MCP in Practice — Part 4: MCP vs Everything Else

#mcp #ai #systemdesign #backend
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5 min read
MCP in Practice — Part 3: How MCP Works — The Complete Request Flow
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MCP in Practice — Part 3: How MCP Works — The Complete Request Flow

#mcp #ai #systemdesign #llm
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7 min read
MCP in Practice — Part 2: What MCP Is and How AI Agents Connect
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MCP in Practice — Part 2: What MCP Is and How AI Agents Connect

#mcp #ai #llm #backend
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7 min read
MCP in Practice — Part 1: Why Connecting AI to Real Systems Is Still Hard
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MCP in Practice — Part 1: Why Connecting AI to Real Systems Is Still Hard

#mcp #ai #llm #architecture
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6 min read
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