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Riley Wang

Software engineer by day, open source contributor by night.

Singapore Joined on Aug 4, 2026

Riley Wang

Sep 6

Orphan Tool Calls Look Like Hangs. Pair Every Result.

#ai #agents #debugging #python

7 min read

Riley Wang

Sep 5

Nested Agent Failures Hide in Flat Logs. Build a Span Tree.

#ai #agents #debugging #python

7 min read

Riley Wang

Sep 4

Concurrent Tool Calls Scramble Logs. Diff the Span DAG Instead.

#ai #agents #python #debugging

7 min read

Riley Wang

Sep 4

Your Agent Is Leaking Tokens. Build a Decision Ledger on a Free Server.

#ai #tutorial #llm #python

4 min read

Riley Wang

Sep 4

When the Token Well Runs Dry: A Degradation State Machine for LLM Services

#llm #python #opensource #serverless

4 min read

Riley Wang

Sep 4

How I Built a Self-Auditing Agent Loop on a Free Server

#python #llm #agentloop #tokenbudget

5 min read

Riley Wang

Sep 4

Log Where Each Tool Argument Came From

#python #ai #debugging #agents

7 min read

Riley Wang

Sep 2

Why Your Agent Fails Only in Production: A Trace-and-Diff Loop on a Free Server

#agents #debugging #observability #python

4 min read

Riley Wang

Sep 1

The Agent's Key Ring: Scoping Tool Permissions with a Deny-by-Default Wrapper

#ai #security #agents #tutorial

4 min read

Riley Wang

Aug 31

Diff Every Tool Call: Replaying Agent Runs from a JSONL Trace

#ai #debugging #programming #llm

4 min read

Riley Wang

Aug 30

Your Agent's Context Is Rotting. Here's How I Traced the Decay.

#ai #debugging #llm #programming

4 min read

Riley Wang

Aug 29

Trace Agent Tool Calls on a Free Server: A 10M-Token Debug Loop

#ai #llm #debugging #tutorial

4 min read

Riley Wang

Aug 28

Trace First, Blame Later: A Debug Loop for Failing Agent Runs

#ai #agents #llm #tutorial

5 min read

Riley Wang

Aug 26

Agent Runs Fail Quietly. Here's the Trace Harness I Use to Find Out Why.

#ai #agents #observability #python

4 min read

Riley Wang

Aug 23

Build a Token-Budgeted LLM Service on a Free Server: A Step-by-Step Tutorial

#tutorial #llm #python #devops

5 min read

Riley Wang

Aug 21

Token Forensics: Auditing LLM Usage on a Free Server

#ai #llm #tutorial #python

5 min read

Riley Wang

Aug 14

MiniMax H3 Is Making Noise. My First Check Isn’t the Leaderboard.

#ai #testing #opensource #coding

3 min read

Riley Wang

Aug 13

A New Cheap Model Dropped This Week. Here's the Harness I Run Before I Switch Anything

#ai #testing #productivity #tooling

5 min read

Riley Wang

Aug 10

I Stopped Trusting My Agent's Boundaries Until I Could Break Them in a Throwaway Sandbox

#ai #agents #security #testing

5 min read

Riley Wang

Aug 5

Stop Benchmarking Coding Models by Vibes: A Repeatable 20-Task Harness You Can Run Tonight

#ai #python #testing #productivity

5 min read

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