"Top Ten Web Search Engines" matching MCP connectors:
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Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Discover task-routed inference, news, SEC facts, CSV/citation checks, web extraction, mail and x402.
Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.
Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Percent-decode length, input discarded
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
TE / transfer-encoding token shape
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.
Search millions of x402 APIs for data, finance, validation, security, inventory, sync and automation
Send one HTTP request, or one per row of a dataset, CSV or Google Sheet, and get the response back
The Grafbase MCP server sits in front of a GraphQL API and exposes an MCP protocol-compliant interface that allows AI agents and LLMs to explore and query GraphQL APIs using natural language. It provides tools to search schemas, introspect types and fields, and execute GraphQL queries while minimizing context bloat by returning only relevant schema subsets, with built-in support for authentication, authorization, and configurable access control.
20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.
