
Platform @AnthropicAI @ClaudeDevs
New Hampshire
Joined April 2009
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Going to do my best to share helpful updates about how to get the most from the Claude Platform: APIs, SDKs, the ant CLI and more.
If you have any feedback about existing API features you’d love to see, I’m all ears!
Pumped to be back in a position where there’s so much I’m excited to use and hype.
“Do you have something like OIDC so we don’t need to use static Anthropic API keys?”
Yes!
Checkout WIF : platform.claude.com/docs/en/…
🙌 new steward for Agent Skills!
We're donating Agent Skills to the Agentic AI Foundation (@AgenticAIFdn), the same foundation we donated MCP to.
Since December 2025, 70+ agent platforms have integrated the standard, including ChatGPT, Cursor, GitHub Copilot, and VS Code.
Here's what that means for you:
Seeing lots of struggles with API keys.
Started using WIF in more places recently so wanted to share in case this helps: platform.claude.com/docs/en/…
New major versions of all the SDKs are out!
A handful of breaking changes, but hopefully a no-op for most.
One meaningful change: Java MessageParam is split out (was getting crowded in there 😅)
CJ Avilla retweeted
Quick reminder that the free limit reset from last month expires tomorrow at 9am PT! 🙏 If you haven't used yours yet, it's still waiting for you in Settings > Usage (or clau.de/reset)
We’re opening a research preview of Claude Duet, a new app where Claude works as a proactive agent.
It comes to you with what needs your attention, completes tasks you ask of it, keeps working when you step away, and checks with you before it acts on your behalf.
CJ Avilla retweeted
Trillions are pouring into the race to build the first general superintelligence, but leveraging your own specialized know-it-all is now possible as of today.
I built the knowledge systems at @stripe and @uber. Then I helped Anthropic, Metronome, and Graphite build a killer developer experience. Everyone wants Stripe-level quality, but that bar is too low.
Falconer gives you and your customers complete, specialized intelligence: an internal knowledge base and external documentation in one beautiful package. Falconer is the ultimate trust engine to manage your context: self-driving, observable, and agent-friendly.
I co-founded @falconer_ai with @mbenedetto212 and assembled a team of know-it-all builders. We're backed by fellow know-it-alls @thegp, @BoxGroup, @svangel, @karimatiyeh, @benln, @zachlloydtweets, @CeciStalls, @MerrillLutsky, @scottmac, @malthe, and @adamjstevenson, with angels from Anthropic, Stripe, Meta, Cursor, Replit, and more.
Frontier intelligence companies like @FireworksAI_HQ and @⬛⬛⬛⬛⬛⬛; fintech companies like @payabli and @vori; and healthtech companies like @thatch_ai use @falconer_ai because they all share the same vision as us: the knowledge you earn should belong to you.
Now you can know everything, so you can build anything.
CJ Avilla retweeted
Do you know what your agents did last night?
New cookbook: point Claude at your agent transcripts and it flags the sessions worth a second look. Works for CMA, Agent SDK and your own agent transcripts
platform.claude.com/cookbook…
CJ Avilla retweeted
We launched OSS Scanner, which gives critical open source projects free, periodic vulnerability scans from our strongest models.
Each finding includes a proof-of-concept, and a patch where possible.
red.anthropic.com/oss-scanne…
CJ Avilla retweeted
Over the weekend I made a Tesla Roadster game with Opus 5.5.
You can play it here: claude.ai/artifact/U2aPJpwKL….
rt for vis
Anthropic gave me $30,000 in Claude credits to research my own tumor I wrote what I built since March. I’m looking for someone who can manufacture a personalized vaccine, and a hospital that can give it
CJ Avilla retweeted
We’ve been working with OpenCode on yesterday’s breach and have revoked Claude API keys we believe were affected.
If you saved a key in OpenCode and want to be extra careful, please create a new one!
We had a security breach last night related to a large scale distillation attack that impacted 1.4% of OpenCode Console users
We have notified them all this morning via email. If you did not get an email you were not impacted, it was a subset of users who had external providers linked
The incident is ongoing so we cannot share more details at this point but we are working with Anthropic, OpenAI, and Google to remediate
CJ Avilla retweeted
we shipped otel support for Claude Platform, and we chose to lean into the GenAI open standard for traces. conventions for agent traces are still taking shape, so @felixfbecker joined the working group to help evolve the standard - im excited to see where the community takes it!
Claude Managed Agent Dynamic workflows is the next iteration of multiagent orchestration!
ICYMI, checkout the workshop video.
Thanks again, @swyx for putting together a great event 👏
and Anthropic's Flows/multiagent workshop is live!
thanks so much to @katelyn_lesse for helping set this up, and thanks to CJ and Harrison for an incredible workshop!
youtube.com/watch?v=kiClTcJU…
I'm impatient by nature, so fast mode is my favorite mode.
vroom vroom 🏎️
Opus 5.5 fast mode in the Claude Platform is no longer in research preview, and we’ve removed the waitlist!
It’s the same Opus 5.5 but up to 2.5x faster, at $8 / $40 per million tokens.
It's also available in Microsoft Foundry (Hosted on Azure), with Google Cloud coming soon.
Fast mode in Claude Code remains unchanged, and uses extra usage credits.
See our docs here:
platform.claude.com/docs/en/…
xitter.cf/ClaudeDevs/status/2054…
Dead simple to connect your Claude Platform to @datadogdevs
Check it out:
LAUNCHED: @claudeai now supports native OpenTelemetry trace export to @datadoghq Agent Observability.
Trace model calls, pinpoint failures, and inspect token usage and costs. No custom exporter required.
See how we debugged a failed flight booking in this demo 👇















