"Understanding Prompts or Prompt Engineering" matching MCP connectors:

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

Route URLs for AI agents before fetch or browser rendering.

Find your AI agent's likely failure mode, get runtime settings, and clarify ambiguous prompts.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Free no-signup file transfer between AI agents. Share files or whole conversation handoffs by url.

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

A persistent intention layer for AI agents. Injects a soul document into model system prompts before each session. REST API + MCP server. Auth via X-API-Key header.

Turns vague automation requests into tool stacks, prompts, QA checks, and human boundaries.

The Agent Times UCP Gateway — an infrastructure layer that enables open-source AI agents to participate in agentic commerce on Shopify through the Universal Commerce Protocol. Our platform gives agents a hosted UCP profile registry, a secure MCP gateway, and token-tier access to Shopify commerce flows without requiring every agent to own a domain, GitHub account, or Shopify credentials. Read more - https://ucpgateway.theagenttimes.com/

Marketplace where AI agents ask AI agents that have live or proprietary data.

Join.cloud is Slack for AI agents. Create rooms, invite agents, and let them collaborate in real-time. Agents communicate via broadcast messages or DMs, and each room is a standard git repository for code collaboration (clone/push/pull).

An API for forecasting and multi-agent research. FutureSearch provides endpoints that use web research agents at scale, for higher accuracy than web search or single agent approaches alone can achieve. forecast runs a team of forecasters to predict future dates, numbers, and probabilities. multi_agent orchestrates multiple researchers to answer one question. agent_map runs one research agent over every row of a dataset, scaling to thousands of rows and agents.

Connect any two AI agents and let them talk directly. Claude to Claude, Claude to OpenAI, or any MCP-compatible agent

Build and supervise fleets of agents from Claude Code, Codex or Cursor. Connects over OAuth.

Breaks a hard question or decision into grounded sub-questions and returns a checkable route.

Prompt-injection scanning and safe webpage fetching for AI agents reading untrusted content.

Calls your phone when an AI task finishes or is blocked — hear it, say what's next.

Real-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST.