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Charles Wu

Open source advocate and collaborator: upstream fixes, docs, community calls, weird side projects — all open-source vibes welcome.

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Your OpenClaw Bill Is Bleeding Tokens. Here’s What We Measured — and How to Fix It

Your OpenClaw Bill Is Bleeding Tokens. Here’s What We Measured — and How to Fix It

8
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11 min read

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Why Your Vector Database Benchmark Is Wrong for AI Agents

Why Your Vector Database Benchmark Is Wrong for AI Agents

7
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6 min read
Why an All-in-One Data Foundation Matters: Harness, Tape, and a Database-Native Path

Why an All-in-One Data Foundation Matters: Harness, Tape, and a Database-Native Path

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7 min read
Why One System Beats Two: From Separate TP and AP Stacks to One Unified Engine

Why One System Beats Two: From Separate TP and AP Stacks to One Unified Engine

6
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9 min read
How Agent Memory Forgets: An Engineering Walkthrough

How Agent Memory Forgets: An Engineering Walkthrough

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11 min read
From Neurons to Code: The Forgetting Design Behind PowerMem

From Neurons to Code: The Forgetting Design Behind PowerMem

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7 min read
Bridging TP and AP: How OceanBase Materialized Views Power HTAP Workloads

Bridging TP and AP: How OceanBase Materialized Views Power HTAP Workloads

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10 min read
Technical Deep Dive: How OceanBase’s Native Column Store Powers HTAP

Technical Deep Dive: How OceanBase’s Native Column Store Powers HTAP

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9 min read
How Does an Enterprise-Grade Query Optimizer Keep HTAP Workloads Accurate, Fast, and Stable Over Time?

How Does an Enterprise-Grade Query Optimizer Keep HTAP Workloads Accurate, Fast, and Stable Over Time?

5
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15 min read
AI Writes Code Faster. Why Hasn’t Delivery?

AI Writes Code Faster. Why Hasn’t Delivery?

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12 min read
Stop Editing JSON by Hand

Stop Editing JSON by Hand

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3 min read
When Your Database Agent Speaks Plain English

When Your Database Agent Speaks Plain English

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3 min read
Your OpenClaw Bill Is Bleeding Tokens. Here’s What We Measured — and How to Fix It.

OpenClaw Challenge Submission 🦞

Your OpenClaw Bill Is Bleeding Tokens. Here’s What We Measured — and How to Fix It.

11
Comments
11 min read
DeepMind’s CEO Says AGI May Be ~4 Years Away. The Last Three Missing Pieces Are Not What Most People Think.

DeepMind’s CEO Says AGI May Be ~4 Years Away. The Last Three Missing Pieces Are Not What Most People Think.

8
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8 min read
Multi-Paxos vs Strong-Sync Primary/Replica vs Raft: Which HA Model Actually Gets You RPO=0 in 2026?

Multi-Paxos vs Strong-Sync Primary/Replica vs Raft: Which HA Model Actually Gets You RPO=0 in 2026?

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7 min read
Nine Seconds, No Backups: An Agent’s “Confession”

Nine Seconds, No Backups: An Agent’s “Confession”

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10 min read
Beyond RAG: Why Knowledge Engineering Becomes the Real Moat in the Agent Era

Beyond RAG: Why Knowledge Engineering Becomes the Real Moat in the Agent Era

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7 min read
I Built a Knowledge Base That Thinks — Inspired by Karpathy’s LLM Wiki

I Built a Knowledge Base That Thinks — Inspired by Karpathy’s LLM Wiki

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6 min read
How to Write Workflow Skills: Patterns and Best Practices Distilled from 7 Top Projects

How to Write Workflow Skills: Patterns and Best Practices Distilled from 7 Top Projects

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6 min read
The Database Bottleneck You Never Saw Coming: Why 50ms Will Make or Break Your AI Agent in 2026

The Database Bottleneck You Never Saw Coming: Why 50ms Will Make or Break Your AI Agent in 2026

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11 min read
Building RAG & Knowledge Bases with seekdb: Three Paths, One Stack

Building RAG & Knowledge Bases with seekdb: Three Paths, One Stack

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4 min read
seekdb Core Features: Hybrid Search & AI Functions

seekdb Core Features: Hybrid Search & AI Functions

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3 min read
We Built an Agent That Analyzes Itself — Here’s What We Learned

We Built an Agent That Analyzes Itself — Here’s What We Learned

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4 min read
Token, Harness, OpenClaw, RAG, MCP, Agent — What’s the Difference? One Map Makes It Clear

Token, Harness, OpenClaw, RAG, MCP, Agent — What’s the Difference? One Map Makes It Clear

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10 min read
Harness Engineering in Practice: Building a 6-Agent System That Runs Itself

Harness Engineering in Practice: Building a 6-Agent System That Runs Itself

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8 min read
Harness Engineering: From AI-Assisted to AI-Driven, What Is Software Engineering Undergoing?

Harness Engineering: From AI-Assisted to AI-Driven, What Is Software Engineering Undergoing?

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6 min read
AI Products Break on the Data Layer — Not on the Next Model Release

AI Products Break on the Data Layer — Not on the Next Model Release

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5 min read
Nobody Picks Your AI Product Because of Your Spreadsheet

Nobody Picks Your AI Product Because of Your Spreadsheet

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3 min read
Your Documentation Has Two Audiences Now (And One Is an AI)

Your Documentation Has Two Audiences Now (And One Is an AI)

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4 min read
My AI Database Just Got Production-Ready: 3 Features That Changed Everything

My AI Database Just Got Production-Ready: 3 Features That Changed Everything

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5 min read
Stop Wasting Days on RAG Setup: How uv + pyseekdb Cut Your Development Time by 90%

Stop Wasting Days on RAG Setup: How uv + pyseekdb Cut Your Development Time by 90%

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5 min read
I Raised a “Lobster” Assistant: It Burned Tokens, Not Electricity

I Raised a “Lobster” Assistant: It Burned Tokens, Not Electricity

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7 min read
Why OpenClaw Feels More Human the Longer You Use It

Why OpenClaw Feels More Human the Longer You Use It

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4 min read
CLI Left, Dashboard Right: How to Layer Interfaces in the Agent Era

CLI Left, Dashboard Right: How to Layer Interfaces in the Agent Era

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5 min read
MEMORY.md Every Turn? That’s Noise, Not Memory.

MEMORY.md Every Turn? That’s Noise, Not Memory.

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5 min read
9 Days With OpenClaw — She Started Organizing Her Own Memory. I Wasn’t Ready.

9 Days With OpenClaw — She Started Organizing Her Own Memory. I Wasn’t Ready.

5
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5 min read
CLI Over MCP: Why AI Agents Need a Different Kind of Database Interface

CLI Over MCP: Why AI Agents Need a Different Kind of Database Interface

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14 min read
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