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@langchain/anthropic

Anthropic integrations for LangChain.js

v1.0.0 URL: https://unpkg.com/@langchain/anthropic@1.0.0/dist/index.js

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llmaigpt3chainpromptprompt engineeringchatgptmachine learningmlanthropicembeddingsvectorstores

@anthropic-ai/claude-agent-sdk

SDK for building AI agents with Claude Code's capabilities. Programmatically interact with Claude to build autonomous agents that can understand codebases, edit files, and execute workflows.

v0.1.37 URL: https://unpkg.com/@anthropic-ai/claude-agent-sdk@0.1.37/sdk.mjs

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aiagentsdkclaudeanthropicautomationcode-generation

tokenx

Fast token estimation at 94% accuracy of a full tokenizer in a 2kB bundle

v1.2.1 URL: https://unpkg.com/tokenx@1.2.1/dist/index.js

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aillmtokentokenizerestimationtiktokenanthropicopenai

tokenlens

A lightweight registry of LLM model information, like name and context sizes, for building AI-powered apps.

v1.3.1 URL: https://unpkg.com/tokenlens@1.3.1/dist/index.js

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aillmai modelsmodel registrycontext windowtoken usagetokenspricingcost estimationusage normalizationprompt cachevercel aivercel ai gatewayai-sdkopenaianthropicgooglemistralcoherexaideepseekmetallamagemini

@posthog/ai

PostHog Node.js AI integrations

v7.0.0 URL: https://unpkg.com/@posthog/ai@7.0.0/dist/index.cjs

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posthogaiopenaianthropicgeminillmobservability