How I Fixed Vertical Japanese PDF Extraction
The text layer is already there. It just comes out top-to-bottom, right-to-left, and in the wrong order. The fix is g...
August 29, 2026 · 11 min
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How to Test and Debug a Python MCP Server
The Inspector, in-process pytest, and the stdio traps that silently break a passing server.
Latest — recent dispatches
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WebMCP in Production: What I Shipped and What I Removed
Six agent-callable tools went live on this blog. Three survived. The honeypot is why.
August 22, 2026 · 7 min
Cross-Document Retrieval for AI Agents Without a Vector Database
BM25 scores don't compare across documents. Ranks do. Fusing 100 PDFs into one hit list.
August 15, 2026 · 12 min
Most read guides — reader favorites
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A Knowledge Base Is Just a Folder
No pipeline, no vector store. Topic folders, a warm habit, a generated catalog, honest coverage.
August 01, 2026 · 10 min
How AI Agents Should Read PDFs: 5 Patterns That Survived Production
How agents should navigate documents at production scale, from 50,000+ downloads of one MCP server.
June 24, 2026 · 11 min
How to Ship an MCP Server to Production (Authentication, Safety, and What Breaks)
MCP tutorials stop at tool integration. The real work is auth, guardrails, and untrusted data.
April 11, 2026 · 7 min
How Claude Code Actually Reads PDFs: Lessons from Building an MCP Server
Tool boundaries shape agent behavior more than prompts. What I learned shipping pdf-mcp.
April 04, 2026 · 10 min
How to Build an MCP Server in Python with FastMCP 3.0 (Full Code)
Tools, resources, prompts, SQLite persistence, in-process testing. Under 100 lines of Python.
February 22, 2026 · 9 min
pdf-mcp: How to Handle Large PDFs in Claude Code with MCP
Claude analyzes visuals for 100 pages, then reads text only. pdf-mcp reads in chunks.
January 31, 2026 · 11 min
Parallel Processing in AWS Lambda with Python: What Actually Works (And What Doesn't)
What threading, multiprocessing, and async actually do inside a Lambda function. Benchmarked.
January 17, 2026 · 4 min
How to Connect a Legacy System to AI Agents Using MCP
How to wrap a legacy Redmine API with MCP. No rewriting, no destabilizing anything.
May 27, 2025 · 6 min
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Redmine MCP Server: Give AI Agents Live Project Data
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AI Agent Cloudflare 403: Two Libraries That Fix It and Cut Tokens 90%
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Why Multi-Column PDFs Scramble Reading Order in RAG
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How to Evaluate LLM Agents: 5 Patterns That Catch Failures
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RAG for AI Agents: 6 Decisions That Make or Break Retrieval
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How I Built a Serverless Newsletter on AWS for Under $1/Month
Seven Lambdas, two SQS queues, one DynamoDB table. SES for sending. No per-subscriber fee.
June 20, 2026 · 10 min
MCP Tool Sprawl: How I Cut 69 Tools to 43 With a Decorator
Why more MCP tools make agents worse, and the pattern that fixes the surface.
June 13, 2026 · 8 min
How to Deploy a Python MCP Server: Remote HTTP, Auth, and Docker
Take the notes server from localhost STDIO to a secured, containerized HTTP service you can run on any host.
June 09, 2026 · 11 min
Section Chunking vs Page Chunking for AI Agents: ~6 Fewer Tool Calls Per PDF Query
Page-mode PDF search costs 2 to 6 extra tool calls per query depending on the document. Section-aware search delivers...
May 30, 2026 · 10 min
MCP Server Security: 8 Vulnerabilities I Found and Fixed
I audited my MCP server at 3,000 downloads and found 8 vulnerabilities. Every fix is here.
February 25, 2026 · 10 min
Copilot SDK Performance: How I Cut 33% Latency
27 runs, 9 models. Most latency wasn't in inference. It was in avoidable client overhead.
February 01, 2026 · 4 min
AI Agent API Access: Why Full Permissions Are a Security Risk
Three MCP design patterns from giving an agent full API access. And watching it go wrong.
December 24, 2025 · 4 min