Langfuse Reviews

Write.as Reviews

Langfuse mentions (28)

• Strands Agents + Langfuse Evaluations

  In this project we will build a Python banking assistant agent using Strands Agents and make it observable and continuously evaluated using Langfuse — step by step. - Source: dev.to / 11 days ago

• Best AI Monitoring Tools in 2026: LLM, Agent, and MCP Observability Compared

  Langfuse is the open-source standard for LLM observability. It traces every LLM interaction — prompts, completions, latency, token usage, cost — and provides the tooling to debug, evaluate, and optimize LLM applications in production. Think of it as "Datadog for LLM calls" with a focus on prompt engineering workflows. - Source: dev.to / about 1 month ago

• What is an LLM evaluation harness? A deep dive into lm-eval-harness

  You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / about 1 month ago

• How to track LLM costs per customer in production

  Gateway or proxy attribution. A reverse proxy in front of the model-provider API records the request, computes the cost, and exposes per-customer breakdowns. Open-source options include Helicone, LiteLLM, Langfuse, and OpenLLMetry. Hosted equivalents serve as the AI cost observability layer for teams that want centralized visibility: LangSmith, Datadog LLM Observability, Arize Phoenix. Adds a network hop.... - Source: dev.to / about 1 month ago

• Per-user cost attribution for your AI APP

  Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline — the metadata.userId pattern is the universal part. - Source: dev.to / about 2 months ago

Write.as mentions (60)

• ActivityPub Fuzzer: Improving Testing in the Fediverse

  There's a lot of it on the Fediverse tech circles. I find a lot of it through following the #Fediverse tag on Mastodon. Bandwagon.fm: A federated platform for musicians and fans: https://bandwagon.fm/ Bonfire: A modular server for building communities with a wide variety of services: https://bonfirenetworks.org/ write.as: "Type words, put them on the internet." https://write.as/. - Source: Hacker News / 7 months ago

• Personal blogs are back, should niche blogs be next?

  And it's very easy to start with something that is also "social": - https://write.as - a https://writefreely.org instance that also syncs with Mastodon, so people can see/discover/subscribe/ comment on your posts without extra hassle of setting up comments or other privacy invading tools. - https://bearblog.dev - just text, very simple and quick to get started. - Source: Hacker News / 8 months ago

• Introducing the Write.as MCP Server: Anonymous Publishing Gets AI Superpowers

  The Write.as MCP Server transforms how AI systems interact with Write.as, the minimalist blogging platform beloved for its simplicity and privacy-first approach. By implementing the Model Context Protocol (MCP), this server enables LLMs, agents, and applications to create, retrieve, and manage anonymous posts without requiring any credentials whatsoever. - Source: dev.to / about 1 year ago

• Show HN: LinkedIn sucks, so I built a better one

  There's a ton of those platforms, varying from extremely unknown to fairly well established. I'm pretty sure multiple of them end up as a Show HN every year. The only thing on your list they generally don't do is domain registration, but keeping that separate is generally a good thing. Sibling mentioned bearblog.dev, I'll mention write.as[1]. [1]: https://write.as/. - Source: Hacker News / over 1 year ago

• WriteFreely: An open source platform for building a writing space on the web

  I'd noticed some years back that this project seems to have started with a pretty strong anonymity story: https://write.as/ That seemed to diminish in emphasis a few years ago, stopped accepting accounts that didn't give you a credit card end of 2021, and some year recently (last year? I forget…) seemed as though the warrant canary missed a couple updates. (It's up to date now, with an assertion of no warrants... - Source: Hacker News / almost 2 years ago