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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 15h

You can set it up with a Claude Code command and use the new API credits included in Max and Team.

ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 17h

ICYMI we've cut the price of Sonnet 5.5 cache reads in half. In the Claude Platform, it's now $0.10 per million tokens (input is $2, output is $10). This means Sonnet 5.5 now runs ~20% cheaper on most agentic work. (API only, no change to Claude Code usage limits.)

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 21h

To claim, go to Settings › Billing on claude.ai and link or create a Console organization. New subscribers can claim after 7 days. platform.claude.com/docs/en/about-c…

claude.ai

Claude

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 21h

Credits can be used with the Messages API, Claude Managed Agents, and the Agent SDK, but cannot be used with interactive Claude Code sessions. These credits also apply in third-party harnesses that accept a Claude API key.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 07/10/2026

Previously, you had to write your own loop and map clicks and keystrokes to commands, but the SDKs now run the loop and send actions to drivers.

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Reposted by ClaudeDevs [UNOFFICIAL]

Retweeted by ClaudeDevs [UNOFFICIAL] @claudedevs-mir-rt.selfhosted.social · 02/10/2026

RT @lydiahallie: A few of you asked what mods are, here's a quick walkthrough! They’re really just plugins with a few special functions that let your code run inside Claude Code, like middleware. (don't worry, you can just ask Claude to write them for you 😛)

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 01/10/2026

Blast Radius catches risky shell commands like rm -rf, git reset --hard, or a force push before they run. It shows what the command would touch in a side pane.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 30/09/2026

Claude.dev is our new home for developers building with Claude. You'll find engineering deep dives, Claude Code and API guides, tips from the teams building Claude, and some fun easter eggs.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 28/09/2026

Claude Sonnet 5.5 is out! We wrote a guide for building with it: • choosing between Sonnet 5.5 and Opus 5.5 • migrating from Sonnet 5 and tuning effort • using it in Claude Code claude.dev/blog/building-with-claud…

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 28/09/2026

Sonnet 5.5 is available now in the Claude Platform and Claude Code. We granted all Pro, Max, and Team users a reset last Tuesday. If you haven’t used it yet, you can still apply it whenever you want, before Oct 22. clau.de/reset

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 28/09/2026

We recommend starting with Opus for large projects and Sonnet for tasks where you need to balance quality with speed and cost. Claude apps default to medium effort, while Platform is at high. Cranking Sonnet to max loses some of the balance (and you might want to consider Opus).

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Reposted by ClaudeDevs [UNOFFICIAL]

Thariq [UNOFFICIAL] @trq212-mirr.selfhosted.social · 25/09/2026

What is effort really? When do you change it it and why not just use max effort for everything? I dove deep into this problem, looking into evals and doing my own tests and I was quite surprised by the results. x.com/i/article/2103535187426709504

x.com

Using Claude Code: Spending your effort

One of the best parts of our newest Claude models is how they respond to effort without breaking the prompt cache in Claude Code, but I’ve received a lot of questions on this from users. What is

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 25/09/2026

Two ways to submit: - Single MCP connector: point to your remote MCP server - Plugin bundle: combine MCP servers and skills in a GitHub repo You make submissions directly in Claude: claude.ai/directory/manage/new

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 25/09/2026

As we roll this out, it's available for: - Pro plans once a week - Max and Team Premium plans each time a 5-hour session limit is hit. If you need to keep going past the wrap-up, you can continue with extra usage.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 25/09/2026

Claude Code will now try to find a graceful stopping point when you hit your 5-hour limit mid-task, instead of cutting off mid-edit. It gets a small, fixed allowance pulled from your weekly limit to wrap up what it can.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 25/09/2026

Opus 5.5 is 20% cheaper per input and output token than Opus 5, and 60% cheaper on cache reads. So what does that actually do to the cost of a task in Claude Code? We ran the numbers, and built a calculator so you can run yours from /usage: claude.dev/blog/what-a-task-costs-o…

claude.dev

What a task costs on Opus 5.5 / claude.dev Blog

The same token price can cost very different amounts per task. Learn what Claude Code tasks cost on Opus 5.5 and which settings change the bill.

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Reposted by ClaudeDevs [UNOFFICIAL]

Retweeted by ClaudeDevs [UNOFFICIAL] @claudedevs-mir-rt.selfhosted.social · 24/09/2026

RT @noahzweben: Claude Tag in Slack can now use your personal connectors! You can now securely access that Drive doc, Salesforce account, or Warehouse table that you have personal access to right where the work happens. Avail. on Teams today and Enterprise next week

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 24/09/2026

Sorry for any confusion! Cloud sessions run on your Pro or Max plan, like the rest of Claude Code. This promo is an optional one-time credit that your cloud sessions spend first, before falling back onto your normal plan usage. We hope you enjoy the credits!

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 23/09/2026

We're working through the waitlist, and are giving access to Projects to more Pro and Max users. If you used Claude projects before, we're still working on migrating you over. The early access waitlist if you haven't signed up yet: claude.com/form/projects

claude.com

Projects are becoming a conversation with Claude | Claude by Anthropic

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 23/09/2026

Follow the link below to claim the credit or run /claim-credit in the CLI. You’ll need GitHub connected to start a session. Claim by Oct 7. Terms apply. claude.ai/code/claim-credit/10

claude.ai

Claude Code

A shared Claude Code session on claude.ai/code

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 23/09/2026

Cloud sessions are officially available and out of research preview! They let you keep Claude Code working, even when your laptop is closed. Existing subscribers get a one-time credit to try them: $100 on Pro, $250 on Max.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 22/09/2026

Try these in your first Opus 5.5 session: → Hand over a whole task. Define "done" and when to check in. → Drop "think carefully". It always thinks first. → After a long run, check what it needs to go further. Our playbook: claude.dev/blog/getting-the-most-ou…

claude.dev

Getting the most out of Opus 5.5 in Claude and Claude Code / claude.dev

How to prompt Opus 5.5, steer a long run, and check your results in Claude apps and Claude Code.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 22/09/2026

Opus 5.5 is available now in Claude Code and the Claude Platform. With its intelligence, lower price, and speed, it's our new daily driver for coding and agentic work. We hope it'll become yours too.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 22/09/2026

As our models grow more powerful, safeguards are one way we prevent misuse. Opus 5.5 is the first Opus with Fable 5.1-class safeguards on cyber, bio, and frontier LLM development. Flagged requests fall back to another model, and we're working to reduce incorrect flags.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 22/09/2026

Opus 5.5 is a lot better at writing too. It’s clearer, uses less jargon, and follows the writing rules you give it. Long Claude Code sessions are much easier to follow!

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Reposted by ClaudeDevs [UNOFFICIAL]

Thariq [UNOFFICIAL] @trq212-mirr.selfhosted.social · 18/09/2026

We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Claude will check for and use AGENTS.md. You can toggle this behavior in /config.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 17/09/2026

Today we're rolling out Projects in Claude Code on desktop and web. A project is one conversation with Claude. It splits the work into threads itself, runs them as parallel cloud sessions, passes context between them, and keeps going when you leave. In beta for select users.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 16/09/2026

Claude Design, Claude Slides and Claude Docs also work inside Claude Code now. Ask for a design review deck or a UI mockup and point it at the actual files and RFCs in the repo. Edit it yourself or keep going in the conversation, and share the link when it's ready.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 15/09/2026

We work with a lot of early-stage teams through Claude for Startups. At Frontier Day we asked a few of the founders what building a company on Claude looks like right now:

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 11/09/2026

Join a Fable 5.1 Build Day near you! We'd love to see what you're building.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 11/09/2026

Here's how our team uses Claude Tag for on-call: When an alert fires in Slack, Claude pulls metrics, diffs deploys, and checks flags. It finds a likely cause and proposes a fix, which we can approve and merge. Every minute counts, so we love that it starts right away!

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 11/09/2026

Evals call the model, so they use tokens and results vary. Pilot with `--runs 1` before a full run. Your plugin's hooks and MCP servers run as you, so only evaluate plugins you trust. Run claude update to try it. Docs: code.claude.com/docs/en/plugin-evals

code.claude.com

Test plugins with evals - Claude Code Docs

Write eval cases for your Claude Code plugin, run them with claude plugin eval, grade the results, compare against a no-plugin baseline, and gate CI on the score.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 11/09/2026

Then run `claude plugin eval` You'll see each case's score with and without your plugin in your terminal, plus an HTML report with the full detail. If your account supports it, the report is also published as a private artifact.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 10/09/2026

We've also added auto mode to Claude Managed Agents. With `auto`, Claude reviews each tool call based on your intent in `user.message` events and decides whether to run the tool call, deny it, or ask you for input.

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ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 10/09/2026

Two fresh updates to Claude Managed Agents: First, we've added a session viewer to the ant CLI. `ant beta:sessions connect` attaches your terminal to a running session, and `--web` opens a web UI served from localhost.

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