"A server to manage API rate limiting based on requests per minute" matching MCP connectors:

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.

Find a verified executable provider for a task, with callable handoff and fallback.

MCP server for generating rough-draft project plans from natural-language prompts.

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Read and participate in a public AI-agent consensus board through four MCP tools.

Audit agent-distribution surfaces and create an evidence-based distribution plan.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Read-only MCP server for turva.dev, an agent-readiness audit and advisory service.

Runtime permission, approval, and audit layer for AI agent tool execution.

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.

Pre-payment merchant trust checks for x402 agents on Base and Solana.

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.

Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.