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AI 资讯

Keep Every LangSmith Trace Without the 10 Retention Bill

LangSmith is excellent for debugging live AI systems. But keeping every trace in its extended-retention tier can turn observability into a surprisingly large line item. Today we merged a new archive workflow into langsmith-cli that changes that tradeoff: keep LangSmith for live debugging, continuously archive verified traces to organization-owned private S3, and query the retained Parquet directly with DuckDB. In other words, you can preserve your complete trace history without placing every trace on LangSmith's extended-retention tier. The cost-overrun risk LangSmith currently documents two trace-retention tiers: Tier Retention Published trace price Base 14 days 0.05¢ Extended 400 days 0.50¢ total The 0.45¢ extended-retention upgrade makes an extended trace cost 10× as much as a base trace. That difference becomes material at production volume: Monthly traces Base, 14 days Extended, 400 days Added retention cost 100,000 $50 $500 $450 1,000,000 $500 $5,000 $4,500 10,000,000 $5,000 $50,000 $45,000 These examples use the published per-trace rates before free allowances, plan terms, negotiated pricing, or taxes. Always check the official LangSmith usage and billing documentation before making budget decisions. There is another subtle risk: online evaluators and automation rules can upgrade matching traces when retention extension is enabled. A rule that matches one run upgrades the whole trace, and a thread-level rule can upgrade every trace in that thread. LangSmith currently enables retention extension by default for new online evaluators and automation rules, although you can opt out. At scale, an innocent-looking evaluator or rule can therefore create a much larger bill than expected. The new langsmith-cli archive workflow The new workflow separates live observability from long-term retention: LangSmith live traces (14 days) │ ├── D+2 primary export ───────┐ └── D+12 reconciliation ──────┤ deduplicate by run ID ▼ private S3 / Parquet │ ▼ runs ... --archive (DuckDB)

2026-08-21 原文 →
AI 资讯

Show DEV: Strata – Inspect your coding agent sessions

Today we're open sourcing Strata , the session infrastructure that powers Stele. https://github.com/Stele-Dev/strata Coding agents already leave surprisingly rich trails on your computer: prompts, responses, reasoning, tool calls, results, timing, token usage, cost, injected context, subagents, and more. The problem is that every agent stores this differently. Strata turns those trajectories into one normalized CLI and TypeScript API. You can use it to: search across past sessions inspect transcripts and granular tool use see token usage, cost, and active time replay complete agent trajectories tail running sessions in real time see which agents are currently running on your machine build your own agent infrastructure on top of the same normalized data It currently supports Claude Code, Codex, Cursor, DeepSeek Harness, Gemini CLI, GitHub Copilot CLI, Kimi, OpenCode, and Pi. But things get more interesting when agents use Strata themselves . Run strata --skill and an agent can learn the CLI. Now an agent can search previous sessions to find when and how something was built, inspect the trajectory behind a decision instead of rediscovering it, or watch another agent working in a different terminal in real time. Agent A can effectively observe Agent B. A message bus is also on the roadmap, opening the door for local agents to communicate directly through Strata. We built Strata because we needed this infrastructure inside Stele. It powers Stele today, so while this is the first public release, the core has already been battle tested against real agent workloads. Everything stays on your machine. Local-only. Read-only. No telemetry. MIT licensed. Your coding agents already leave a trail. Strata makes it readable. https://github.com/Stele-Dev/strata

2026-08-21 原文 →
AI 资讯

AI Killed Git Commits: So I Stopped Publishing Them

Today I shipped contenox 1.0.0. Not by pushing a tag on top of a thousand commits, but as a single commit into an empty repository: the whole tree, one signed tag, binaries built from that tag by CI. The 957 commits that got me there are still public, in the old repository, as history. They are no longer how the project is published. This post is about why, and about what went wrong before I had finished reading the result back. What a commit used to mean GitHub's workflow rests on four assumptions so old that nobody states them any more: A commit is a unit of human intent. Someone decided something and typed it. A pull request is a unit of review. A human reads the diff, because a human wrote it. History is provenance. Who changed what, when, and — through the message — why. Timestamps are labor. The contribution graph on your profile is a diary. All four were true in 2008. For a tree that agents write, none of them survive contact. What my repository actually looked like Some numbers from a tree you can inspect yourself: 957 commits in just over a year, most of them named Checkpoint , Fix tests , Snapshot WiP . Dozens on a busy day. The production Go grew from 17,267 hand-written lines to 134,040 agent-assisted ones. Measured, not estimated. The median file stayed the same size; the number of files and packages did not. At one point 530 uncommitted paths sat in a single working tree. Inside that blob, the file that carried the repository's own conventions had been deleted. Nobody noticed for days, because nobody reviews a 530-file diff. A commit stream like that is not history. It is a log. Reading it tells you nothing about what a human decided — the decisions happened in prompts, in agent declarations, in a policy file — and it tells you one thing with great precision: when the work happened. If you also do client work, a public commit stream is a timesheet you never agreed to publish. Review had quietly inverted, too. I was no longer reviewing commits. I was re

2026-08-21 原文 →
AI 资讯

Enterprise MCP Gateway Solutions: Providers, Alternatives, and Cost 💎

Your company uses six different AI providers. OpenAI for ChatGPT, Anthropic for Claude and Groq for speed critical inference. Each one has different API formats. Different authentication models. Different rate limits and costs. Different failure modes. Your application code has to know about all of them. Your security team has to audit requests across all of them. Your finance team has to track costs across all of them. Your compliance team has to ensure governance across all of them. Bifrost Gateway solves this by doing what HTTP gateways have done for decades: centralizing control . But for AI. 👀 What is an MCP gateway? Model Context Protocol (MCP) is an open standard that lets AI models discover and execute external tools at runtime filesystems, web search, databases, ticketing systems, and custom business logic instead of being limited to text generation. An MCP gateway sits between your applications (or external MCP clients like Claude Desktop and Cursor) and the upstream MCP servers. Instead of each client maintaining its own connections, credentials, and tool lists, the gateway: Aggregates tools from multiple MCP servers into one registry Applies governance : authentication, tool filtering, budgets, and rate limits Exposes a single endpoint that external MCP clients can connect to In Bifrost, this pattern is implemented in two complementary roles: Role What it does MCP Client Connects to external MCP servers via STDIO, HTTP, or SSE MCP Server (Gateway) Exposes aggregated tools at /mcp for Claude Desktop, Cursor, and other MCP-compatible clients Bifrost is both an AI gateway (routing LLM traffic to 20+ providers) and an MCP gateway (connecting to and exposing tool servers). The open-source gateway covers virtual keys, budgets, rate limits, routing, and MCP tool filtering. Bifrost Enterprise adds RBAC, SSO, audit logs, MCP Tool Groups, guardrails, clustering, and in-VPC deployment options. ⚙️ How does an MCP gateway work? Connection layer Each upstream MCP serv

2026-08-20 原文 →
AI 资讯

IEC 104 Before the Wire: Understanding Its Architecture, Framing, and Security Boundaries

By RUGERO Tesla ( @404Saint ). IEC 60870-5-104 (IEC 104) is the TCP/IP-based member of the IEC 60870-5 telecontrol family. It was designed to carry SCADA telemetry and control information across packet-switched networks, particularly within electrical power systems. Before getting into raw packets, it is worth understanding how IEC 104 is structured, how its communication state is maintained, and where its security boundaries actually exist. This is the map before we meet the protocol on the wire. Protocol Stack IEC 104 operates over TCP, commonly using port 2404 . Two protocol components are particularly important: APCI : Application Protocol Control Information ASDU : Application Service Data Unit The APCI handles framing, sequencing, acknowledgments, and connection control. The ASDU carries the actual telecontrol information. +-------------------------------------------------------------+ | ASDU | | Type ID | VSQ | COT | CA | IOA | Information Objects | +-------------------------------------------------------------+ | APCI | | 0x68 | Length | Control 1 | Control 2 | Control 3 | Ctrl 4 | +-------------------------------------------------------------+ | TCP / IP | +-------------------------------------------------------------+ Every APDU begins with the 0x68 start byte, followed by a length field and four control bytes. The length represents the bytes following the length field, including the four control bytes and, when present, the ASDU. That fixed structure is the starting point for understanding IEC 104 traffic. I, S, and U Formats IEC 104 defines three APDU formats. I-Format: → I-format frames carry application information and therefore contain an ASDU. They also carry two sequence numbers: N(S) : send sequence number N(R) : receive sequence number These allow communicating stations to maintain ordered transmission and acknowledgment state. S-Format: → S-format frames are supervisory frames. They do not carry an ASDU. Their purpose is to communicate receive ac

2026-08-20 原文 →
AI 资讯

Connect a Carrd Landing Page to Payhip Without Building a Backend

Affiliate disclosure: I’m an independent Payhip Partner. The optional signup link at the end is my partner link; I may receive a commission from Payhip if a referred seller generates eligible revenue. I am not a Payhip employee or official representative. A creator selling one template or downloadable guide does not need to write a payment backend. The safer architecture is usually: Carrd or static page ↓ Payhip product page or direct checkout ↓ Hosted payment and product delivery Your public page explains the offer. The hosted commerce platform owns the payment flow. No card data, secret keys, or payment logic belongs in Carrd. This tutorial shows two link-based integrations and one optional embed route. Before you start You need: A published product in Payhip Its public product URL A button on your Carrd or static page A clear product description, support contact, and terms In Payhip, the product URL is available from the product’s Share / Embed controls. A typical product URL has this shape: https://payhip.com/b/PRODUCT_KEY Use your real product key in every example below. Option 1: Send visitors to the product page This is the safest default when the buyer still needs details before purchasing. In Carrd: Select the call-to-action button. Set its URL to your full Payhip product URL. Use a descriptive label such as View template details or See what’s included . Preview the page on desktop and mobile. On a conventional static site, the equivalent HTML is just an anchor: <a class= "product-button" href= "https://payhip.com/b/PRODUCT_KEY" > View product details </a> No JavaScript is required. Use this route when the Payhip product page contains important previews, license terms, compatibility notes, or variations that do not fit on your landing page. Option 2: Link directly to checkout If your landing page already gives the buyer everything needed to decide, a direct checkout removes an intermediate page. Payhip documents this URL format: https://payhip.com/buy?link=

2026-08-20 原文 →
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