 Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP OpenAPI | bridge+7 | OpenAPI | MPP+5 | api-key, Payments | 4/5 | | |
 Tracing, evaluation, and monitoring for LLM apps inside Weights and Biases MCPOpenAPI | observability+3 | MCP+1 | — | api-key, Observability | 4/5 | | |
 Open-source vector database with hybrid search, agents, and a managed cloud tier MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 4/5 | | |
 Grok models with function calling, structured outputs, and live search grounding OpenAPI | llm+2 | OpenAPI | — | api-key, Models | 4/5 | | |
 Managed Milvus vector database for billion-scale similarity search MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 4/5 | | |
 Purchasing API that places, tracks, and returns orders at Amazon, Walmart, Target, and Best Buy on behalf of agents OpenAPI | purchasing+3 | OpenAPI | — | api-key, Merchants | 4/5 | | |
 API gateway that puts an x402 or key-based paywall in front of any endpoint agents call MCPOpenAPIllms.txt | api-gateway+4 | MCP+2 | x402 | api-key, Payments | 4/5 | | |
 Hosted agentic AI assistant: OpenAI-compatible API, BYOK 50+ providers, free ache/* + paid catalog. OpenAPIllms.txt | ai+3 | OpenAPI+1 | — | api-key, Models | 3/5 | | |
 Ads ops MCP/REST for Google, Meta, TikTok, LinkedIn — writes need human approval. MCPllms.txt | mcp+2 | MCP+1 | — | api-key, Platforms | 3/5 | | |
 Alibaba and Ant International trust protocol for agent commerce, running at scale across Asian marketplaces | actp+4 | — | ACTP | api-key, Payments | 3/5 | | |
 Crowdsourced human tasks — HITs, qualifications, and assignments — over the AWS API | crowdsourcing+3 | — | — | api-key, Other | 3/5 | | |
 Amex developer kit for agent-initiated card payments with cardholder-scoped authorization OpenAPI | ace+3 | OpenAPI | ACE | api-key, Payments | 3/5 | | |
 Product analytics; query charts, cohorts, and insights through Amplitude MCP. MCPllms.txt | mcp+2 | MCP+1 | — | api-key, Observability | 3/5 | | |
 APM for errors, perf, logs, and metrics with a hosted MCP — no local server. MCPllms.txt | mcp+2 | MCP+1 | — | api-key, Observability | 3/5 | | |
 AI-native CRM with hosted MCP, llms.txt, and OpenAPI for agent GTM workflows. MCPllms.txt | mcp+1 | MCP+1 | — | api-key, Platforms | 3/5 | | |
 Betting exchange with a documented JSON-RPC API for automated market data and bet placement | betting-exchange+3 | — | — | api-key, Markets | 3/5 | | |
 Scheduling platform with machine-readable docs for agent booking workflows. llms.txt | scheduling+1 | llms.txt | — | api-key, Platforms | 3/5 | | |
 Private OAuth health tracking tools for supported AI assistants. MCP | mcp+3 | MCP | — | api-key, Platforms | 3/5 | | |
 Week-card TTS + image API on a single Mini. OpenAPI + llms.txt. Pay USDC on Base. OpenAPIllms.txt | tts+5 | OpenAPI+1 | — | api-key, Speech | 3/5 | | |
 Week-card TTS + image API on a single Mini. OpenAPI + llms.txt. Pay USDC on Base. OpenAPIllms.txt | tts+5 | OpenAPI+1 | — | api-key, Media | 3/5 | | |