The real catalog of tools for AI agents

Anthropic's SDK went from 34% to 97% of the OpenAI SDK's weekly npm downloads in 46 weeks. It.

The Vercel AI SDK fell from 31 to 23 weekly downloads per 100 downloads of the OpenAI,.

LangChain's share of weekly npm framework downloads fell from 32% to 19% in 46 weeks, while.

The MCP SDK had 52.3M npm downloads in the week of 24 Aug, 1.3× the OpenAI SDK and more than.

Between 31 Aug–6 Sep and 25 Sep–1 Oct, anthropic's PyPI downloads grew 25% and openai's 14%,.

Anthropic holds 8 of the Arena top 20, Google 7 and OpenAI 0. In Apr 2025 OpenAI held 9 and.

Google leads the Arena again; Anthropic trails by 22 points and OpenAI by 62. Query full.

Google holds #1 in 6 of 8 Arena categories; Anthropic in 2. OpenAI has no category in the top.

Anthropic builds 14 of the Arena's top 50 models and OpenAI builds 5. But 44% of US adults use.

On npm, Ollama's client fell from 27 to 6.6 downloads per 1,000 cloud lab SDK downloads in 46.

SDK breaking-change tracker for AI agents — Anthropic/OpenAI/LangChain/MCP/Mistral.

Search and retrieve time-series data across 38 empirical AI adoption and venture research charts.

OpenAI's models hold 17.9% of all 12.3M Arena votes and none of the top 20 seats. Anthropic's.

npm package download trends and adoption growth over time. Free key at trendsapi.ai

Open weights briefly beat every proprietary model in early 2025 (deepseek-r1); today the best.

The best open model trails the best closed model by 42 Arena points. In a blind vote it would.

On 11 Sept 2026, Claude's best model rates 40 points above OpenAI's and 16 above Gemini's..

npm package trends and weekly downloads over time. Free key at trendsmcp.ai

Query 38 empirical AI market charts, evaluate distribution defensibility, and search 3,650+ VCs.

Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di