"openapi" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Stock Bloc: SEC filing analysis and market data for AI agents, paid per call with x402 (USDC on Base). There are no free credits, no trials, no credit packs, no checkout, and no API key is needed to pay. MCP: POST https://stockbloc.ai.studio/api/mcp/rpc OpenAPI: https://stockbloc.ai.studio/openapi.json x402 catalog: https://stockbloc.ai.studio/.well-known/x402 Docs: https://stockbloc.ai.studio/llms.txt How to pay: call a priced endpoint. It returns HTTP 402 with a PAYMENT-REQUIRED header (USDC on Base, eip155:8453). Sign and retry with the PAYMENT-SIGNATURE header. Prices per call: $0.01 market data · $0.05 SB Score · $0.05 forecast · $0.10 13F institutional intel · $0.10 research memo · $0.10 strategy evaluation · $0.25 SEC filing job (POST /api/v1/sec/job, 10-K/10-Q/8-K) · $0.35 earnings prep pack. 13F data is from quarterly SEC 13F-HR filings, as of each fund's latest period end. It is not real-time.
Anthropic holds 8 of the Arena top 20, Google 7 and OpenAI 0. In Apr 2025 OpenAI held 9 and.
OpenAI was the #1 lab on Arena for 95% of 2024. On 25 Sept 2026 it ranks 8th among labs, and.
Between 31 Aug–6 Sep and 25 Sep–1 Oct, anthropic's PyPI downloads grew 25% and openai's 14%,.
Search and download academic papers from arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, Semantic…
Liquidity, profitability and leverage ratios with plain-language readings.