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python
115 postsAI Agent Cost Drift: Rolling Dashboards Miss 0.35%/Day Creep
Why do rolling-average dashboards miss a 0.35%/day AI agent cost increase? A math proof and 60-day test show the blind spot - and the fix.
Testing a Pyxel Config Tool Against Silent State Drift
How a browser-based Pyxel config tool defends against state drift using schema freshness checks, real-schema bounds tests, and CI-driven API introspection.
737x Faster LangGraph Checkpoints: Where Rust Wins and Where It Loses
fast-langgraph accelerates LangGraph's deepcopy-based checkpointing with Rust, delivering up to 737x speedups on large state but no gain on small flat dicts.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comLucen parallelizes Python loops via two comments, bit-identical results
Lucen parallelizes Python for loops via two comments, guaranteeing bit-identical results versus sequential execution. Rust-accelerated, v1.1, Apache-2.0.
Engrava: A Deterministic Memory Library for AI Agents Built on SQLite
Engrava is an MIT-licensed Python library storing agent memory as a typed graph in SQLite, with deterministic consolidation instead of LLM rewrites.
Runloom Brings Go-Style Stackful Coroutines to Python
Runloom is a Go-style coroutine library for free-threaded Python 3.14t, spawning millions of fibers per core. It beats Go on spawn speed but trails on memory use.
Fixing False Positives in Prometheus Predictive Alerting
Why Prometheus-based predictive alerting models that ace offline tests turn noisy in production, and how query alignment, rate() handling and schema checks fix it.
Emboss: A Python PDF Engine That Keeps Documents as Structured Data
Emboss is a pure-Python PDF engine delivering deterministic, PDF/UA-accessible output with embedded table data and native MCP/AI integration.
ZVec's optimize() Can Silently Erase Crash-Recovered Vector Data
Testing shows ZVec's optimize() can silently discard crash-recovered vector data with no warning, exposing a hidden risk in embedded vector stores.
Pon: A Rust-Built JIT/AoT Compiler for Python 3.14
Pon is a Rust-based JIT/AoT compiler that skips the CPython interpreter and bytecode entirely, compiling Python 3.14 straight to native code via Cranelift.