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Royal Simpson Pinto

Sep 23

Enforce Permissions Inside the pgvector Query, Not After It

#postgres #rag #security #ai

5 min read

Royal Simpson Pinto

Sep 25

Combining Vector and Full-Text Search with Reciprocal Rank Fusion

#rag #search #python #ai

5 min read

Royal Simpson Pinto

Sep 27

Merkle Trees and Inclusion Proofs in Python From Scratch

#python #cryptography #ai #tutorial

5 min read

Royal Simpson Pinto

Sep 29

Signing and Verifying Data with Ed25519 in Python

#python #cryptography #security #tutorial

4 min read

Royal Simpson Pinto

Oct 1

Why Your JSON Signatures Break: A Guide to Deterministic Canonical Serialization in Python

#python #cryptography #json #tutorial

5 min read

Royal Simpson Pinto

Oct 3

Emit SARIF 2.1.0 From Your Linter So Findings Show Up in GitHub Code Scanning

#security #github #devtools #tutorial

4 min read

Royal Simpson Pinto

Oct 5

Connect to Any MCP Server in TypeScript Over stdio and HTTP, Then List Its Tools

#mcp #typescript #ai #tutorial

4 min read

Royal Simpson Pinto

Oct 7

Building a Minimal MCP Server with Scoped Tools and Per-Client Boundaries

#mcp #security #typescript #tutorial

5 min read

Royal Simpson Pinto

Oct 9

Pause a LangGraph Agent Mid-Run for Human Approval with interrupt and a Checkpointer

#ai #agents #python #tutorial

5 min read

Royal Simpson Pinto

Oct 11

Parsing Claude Code Session Transcripts in Python: Turns, Tool Calls, and Results

#ai #python #agents #tutorial

5 min read

Royal Simpson Pinto

Oct 13

Counting LLM Tokens in Python: tiktoken vs a Dependency-Free Heuristic

#ai #python #llm #tutorial

4 min read

Royal Simpson Pinto

Oct 15

Deploy a Next.js App Router App to Cloudflare Workers with OpenNext and a D1 Database

#nextjs #cloudflare #webdev #tutorial

5 min read

Royal Simpson Pinto

Oct 17

Migrating a Synchronous better-sqlite3 Layer to Async Cloudflare D1 (Without Losing Local Dev)

#cloudflare #typescript #database #tutorial

5 min read

Royal Simpson Pinto

Oct 19

Canary Tokens for LLM Systems: Detect Prompt Injection and Data Leaks by Watching Your Own Outputs

#ai #security #promptinjection #tutorial

4 min read

Royal Simpson Pinto

Oct 21

Build a Deterministic Mock LLM Provider So Your Eval Suite Runs With No API Keys and No Network

#ai #testing #llm #tutorial

4 min read

Royal Simpson Pinto

Oct 23

Making LLM-as-Judge Scoring Reproducible and Trustworthy

#ai #testing #llm #tutorial

4 min read

Royal Simpson Pinto

Oct 25

Scoring Text Similarity With Embeddings, With a Deterministic Offline Fallback for Tests

#ai #embeddings #testing #tutorial

4 min read