"A clean web agent named x402-cleanweb-agent" matching MCP connectors:

Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.

Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.

Deterministic JSON checks with signed evidence and x402-paid execution

Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

Verify x402 endpoints before payment or publish service profiles for agent discovery.

Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.

Search millions of x402 APIs for data, finance, validation, security, inventory, sync and automation

A basic MCP server to operate on the Postman API.

API and website monitoring that validates the JSON a response returns, not just its status code. Create endpoint checks, pull incident reports carrying the actual failed payload, and read health scores from your editor.

Receive, inspect, replay and deliver webhooks — with signature verification and agent triggers.

Simceptor is an AI-native Mock API simulation platform with a built-in MCP server. It enables AI agents to create, inspect, update, and test dynamic mock APIs, conditional response rules, stateful session simulations, and network latency directly from context.

327 tools, 92 providers. Pay per call via x402 + MPP. One MCP endpoint.

A paid remote MCP for developer endpoint scanner MCP, built to return verdicts, receipts, usage logs

Discover live agent APIs, ranked endpoints, trust, payment telemetry, and x402 surfaces.

20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.

Gibs is a multi-regulation compliance API for developers building applications that need to reason about EU regulations. Classify AI systems under the EU AI Act, ask compliance questions about GDPR and DORA, and get source-cited answers with article-level traceability — all in one API call.

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.

Provide seamless access to Appfolio Property Manager Reporting API through a standardized MCP serv…