Anthropic (Claude) Messages API in Nebula — a single text-gen node (Claude / claude-chat) that turns a text prompt plus optional image(s) into streamed text, with system prompt, temperature/top_p/stop sampling, and extended-thinking. Use for captioning, summarizing, translating, rewriting, reasoning, and drafting prompts to feed other media nodes. Activate when the user configures the claude-chat node, wires a Claude/Anthropic node into a graph, or asks about Anthropic/Claude in Nebula. Sourced from the official Anthropic Messages API (platform.claude.com/docs/en/api/messages) and the Nebula audit guide docs/api-guides/anthropic.md on 2026-06-04.
How to install anthropic?
justinperea/nebula-nodes/anthropic
$npx -y skills add justinperea/nebula-nodes --skill anthropicInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/justinperea/nebula-nodes" --skill "justinperea/nebula-nodes/anthropic"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/justinperea/nebula-nodes" that are relevant to the current task. Run `npx skills add "https://github.com/justinperea/nebula-nodes"` and select the relevant skills, then follow their instructions.
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