"openapi" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Serverless 15-tool B2B email deliverability, domain security, OpenAPI breaking-change release gate, LLMO /llms.txt auditor, and quantitative trading risk MCP connector.
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.
Search and read the BANKSapi developer docs and OpenAPI specs for Open Banking integrations.
OpenAI organization usage and cost reporting through an admin API key connected by the user.
SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.
Data APIs SEC Event Intelligence API for SEC API/EDGAR filings, OpenAPI, MCP, A2A at data-apis.com.
LLC vs S-corp vs C-corp federal tax comparison, S-corp savings and conversion steps.
MACRS schedules, Section 179 and bonus depreciation with 2026 limits.
Plain-English transactions to balanced journal entries, adjusting and closing entries.
Liquidity, profitability and leverage ratios with plain-language readings.
1099/W-2 rules: is a form required, deadlines, backup withholding, late-filing penalties.
Vietnam stock market data & portfolios via Finhay Securities OpenAPI.
Fetch current stock prices and key data for symbols across global markets. Look up companies like…
Fetch the latest available stock quotes by ticker symbol across international markets. Check price…
Look up the latest stock prices by ticker symbol across global markets. Get current price and esse…