Reach a Remote MCP Server in a Single API Request: Implementing the Messages API MCP Connector
How to call a remote MCP server's tools using only the Messages API's mcp_servers and mcp_toolset—no local MCP client. Covers allowlist/denylist design, response handling, and the pitfalls to avoid before unattended production use.
Stopping an Unattended Writer From Publishing the Same Article Twice
When a Cowork scheduled task generates articles every day, the real danger isn't a crash — it's quietly publishing a piece that overlaps with one from a few days ago. Here is a gate that compares slug similarity and the day's log before publishing, built from a near-miss I caught this morning.
Claude API Python Advanced Cookbook: 20 Production Patterns You'll Actually Use
20 battle-tested Python patterns for the Claude API—retry logic, parallel processing, cost optimization, testing, and monitoring. Copy-paste ready code recipes.
Grouping Crashes by Root Cause: A Triage Design Built on the Claude API
Crashlytics 'Issues' often scatter the same root cause across separate entries. After years of running apps with 50M+ cumulative downloads, here is how I use the Claude API to regroup crashes by actual root cause and rank them, with working code and real numbers.
When pip install Stops with externally-managed-environment in Cowork's Bash Sandbox — Three Patterns for PEP 668
Why pip install fails with externally-managed-environment in Cowork's Bash sandbox, and three practical fixes — --break-system-packages, venv, and pipx — written from real scheduled-task experience.
Debugging Claude API Tool Use Schema Errors: 3 Patterns I've Hit and How to Fix Them
A practical guide to diagnosing Claude API Tool Use errors—from schema definition mistakes to invalid_tool_use blocks and Claude ignoring your tools entirely. Based on real implementation experience.
I Ran 1,000 App Store Reviews Through Claude API — Here's What My Data Was Hiding
Lessons from 10+ years of indie app development and 50M+ downloads: how to use Claude API to batch-analyze App Store reviews, auto-generate improvement priorities, and fix the blind spots human reading creates.
The AI Sales Automation Your Team Actually Wants — Building a Multi-Agent Sales System with Claude Agent SDK
A complete guide to building a production-grade multi-agent sales automation system using Claude Agent SDK — covering lead scoring, proposal drafting, human review gates, CRM integration, and cost optimization with real code examples.
Building an Autonomous Research Agent with Claude API: Web Search, Summarization, and Knowledge Management
A complete guide to designing and implementing an autonomous research agent using Claude API and web search tools. Covers budget control, quality assurance, and knowledge base storage for production use.
Claude API × Python in Practice: Building an AI Assistant with Tool Calling and Streaming
A practical guide to combining Claude API's Tool Use and Streaming in Python. Build a working AI assistant with real tool execution, complete source code included, plus a breakdown of the tricky parts that trip up most developers.
Let Claude Diagnose Its Own Tool Errors — Building a Self-Correction Loop with the Anthropic API
Learn how to handle Tool Use failures gracefully by feeding error details back to Claude using the is_error flag, enabling self-diagnosis and automatic retry. Includes working Python code and production antipatterns to avoid.
Building an Internal Document Search Agent with Claude API — Hybrid RAG, Role-Based Access Control, and Audit Logging in Production
Build a production-grade internal document search agent using Claude API and Python. Covers hybrid RAG (pgvector + BM25), department-level RBAC via PostgreSQL RLS, and compliance-ready audit logging — with working code for each component.