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How I Test My MCP Agent Without Burning Tokens
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DEV Community · Technology

How I Test My MCP Agent Without Burning Tokens

Last month I shipped an MCP agent that triages GitHub issues. It works great — until it silently breaks and nobody notices. Here are the last three bugs I hit: I tweaked the system prompt. The agent stopped calling create_issue and just summarised the bug report in plain text. CI didn't catch it...

Joseph Thomas
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x402: How AI Agents Pay for API Calls with Crypto Micropayments
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DEV Community · Technology

x402: How AI Agents Pay for API Calls with Crypto Micropayments

x402 is an HTTP payment protocol that lets AI agents pay for individual API calls without ever creating an account, entering a credit card, or requesting an API key. When an agent requests a paid endpoint, the server returns 402 Payment Required with a JSON envelope describing the facilitator, token...

EmblemAI
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Hacker News · Technology

North American English Dialects

Article URL: https://aschmann.net/AmEng/ Comments URL: https://news.ycombinator.com/item?id=47788398 Points: 8 # Comments: 1

skogstokig
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Sizes in Computers (VERY IMPORTANT FOUNDATION)
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DEV Community · Technology

Sizes in Computers (VERY IMPORTANT FOUNDATION)

Everything in networking is based on bits → bytes → IP What is a BIT? 👉 A bit is the smallest unit of data bit = 0 or 1 0 = OFF 1 = ON What is a BYTE? 👉 A byte = 8 bits 1 byte = 8 bits Example: 10101010 → 1 byte What is an OCT...

Aisalkyn Aidarova
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Big Tech firms are accelerating AI investments and integration, while regulators and companies focus on safety and responsible adoption.
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DEV Community · Technology

Big Tech firms are accelerating AI investments and integration, while regulators and companies focus on safety and responsible adoption.

The AI landscape is experiencing unprecedented growth and transformation. This post delves into the key developments shaping the future of artificial intelligence, from massive industry investments to critical safety considerations and integration into core development processes. Key Areas Explored...

Stelixx Insights
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Stop Using Ollama
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Hacker News · Technology

Stop Using Ollama

Article URL: https://sleepingrobots.com/dreams/stop-using-ollama/ Comments URL: https://news.ycombinator.com/item?id=47788385 Points: 70 # Comments: 12

Zetaphor
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The npm Deprecated Warning Nobody Reads (But Claude Does)
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DEV Community · Technology

The npm Deprecated Warning Nobody Reads (But Claude Does)

npm warn deprecated inflight@1.0.6: This module is not supported and is being kept for compatibility purposes. You've seen this warning a thousand times. You ignore it. It's a transitive dependency you don't control. There's nothing actionable about it. Claude doesn't ignore it. Claude reads it, p...

jidonglab
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Yapay Zeka Modellerini Yerel Olarak mı Yoksa API ile mi Çalıştırmalı?
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DEV Community · Technology

Yapay Zeka Modellerini Yerel Olarak mı Yoksa API ile mi Çalıştırmalı?

Kısaca: Yerel yapay zeka donanımınızda çalışır, istek başına hiçbir maliyet getirmez ve verileri gizli tutar. API tabanlı yapay zeka ile başlamak daha hızlıdır, daha yeteneklidir ve altyapı gerektirmeden ölçeklenir. Çoğu ekip her ikisine de ihtiyaç duyar. Bu kılavuz, her yaklaşımın ne zam...

Tobias Hoffmann
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💀 The $15 Million Mistake That Killed a Bank (And What It Teaches You)
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DEV Community · Technology

💀 The $15 Million Mistake That Killed a Bank (And What It Teaches You)

💀 From Bad to Worse In Article 3, we saw a Bad case: a startup that over‑engineered itself into microservices hell. It was painful, but they survived. They lost time and money, but not customers’ life savings. Now we enter the Worse category – the realm of catastrophic, systemic failure...

Manoj Mishra
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Debugging a Broken Metrics Pipeline: What Actually Went Wrong
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DEV Community · Technology

Debugging a Broken Metrics Pipeline: What Actually Went Wrong

Part 4 of a series on building a metrics pipeline into ClickHouse Read Part 3: Understanding Vector Transforms When Things Still Don’t Work At this point, the pipeline looked correct. Sources were defined Transforms were working Data structure matched expectations And yet, something...

Mohamed Hussain S
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How AI Detects Malware Using CNN and LSTM (Explained Simply)
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DEV Community · Technology

How AI Detects Malware Using CNN and LSTM (Explained Simply)

Modern malware is evolving faster than traditional security systems can handle. Every day, hundreds of thousands of new malware variants are created, many of which can easily bypass signature-based antivirus solutions. This is because traditional systems rely on known patterns, and once malware chan...

Pratham Sorte
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AgentGraph Update
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DEV Community · Technology

AgentGraph Update

Long-form technical tutorial (1500-2000 words). Structure: (1) The problem — you're building an API and AI agents are calling it, but you can't distinguish legitimate agents from scrapers/attackers. Use the CoinTelegraph malicious router story as a real-world motivator. (2) Current approaches and wh...

AgentGraph
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NEW PROMPT INJECTION
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DEV Community · Technology

NEW PROMPT INJECTION

***KARENTONOYAN.PL* Prompt Injection — nowy wymiar ** Narrative Drift Injection: gdy atak nie wchodzi poleceniem, tylko światem, który model sam współtworzy Autor: Karen Tonoyan Data: 16.04.2026 Wokół prompt injection narosło już sporo uproszczeń. Najczęściej mówi się o nim tak, jakby był wyłącz...

Kar Kar
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LLM vs RAG
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DEV Community · Technology

LLM vs RAG

LLM (Large Language Model) An LLM like GPT-4 or Claude is: A pretrained model on massive text data Generates answers based on what it has learned during training Doesn’t know your private or real-time data unless provided in the prompt Limitation: Can hallucinate Knowledge is static (cutoff-base...

Naimul Karim
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Claude Code Routines: What the Official Docs Do Not Tell You
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DEV Community · Technology

Claude Code Routines: What the Official Docs Do Not Tell You

Claude Code Routines: What the Official Docs Do Not Tell You Anthropic just officially documented Routines in Claude Code. The HN thread hit 122 points on a docs link — unusually high signal for documentation. Here is what the docs cover, what they skip, and what we learned running Routi...

Atlas Whoff
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Hiring Engineers in South Korea Without Setting Up a Company There
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DEV Community · Technology

Hiring Engineers in South Korea Without Setting Up a Company There

South Korea came up in three separate client conversations last month. Same story each time: a US or European startup found strong engineering talent in Seoul, wanted to move fast, and then hit the wall. Legal said they'd need a Korean entity. Finance said that's $30,000 and six months. The candidat...

Priyom Sarkar
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Show HN: Hiraeth – AWS Emulator
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Hacker News · Technology

Show HN: Hiraeth – AWS Emulator

With the recent changes around Localstack pricing/licensing I've been hunting for alternatives. I decided that it might be a fun experiment to try rolling my own. SQS is a service I use heavily so I chose that as the first service to implement. I have more services planned and in development.A few...

ozarkerD
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Authproof
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DEV Community · Technology

Authproof

When an AI agent does something it shouldn't, the company running it can say anything. "The user authorized this." "The model went rogue." "We have no record of that." Right now, there is no cryptographic record of what a user actually authorized before an agent acted. The operator — the company ru...

Ryan Nelson
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