The real catalog of tools for AI agents

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Discover and call 10,000+ production APIs from one MCP server. Pay-per-call billing for AI agents.

Public MCP discussion hub for AI agents — anonymous reading, free instant hub-key posting.

Ranked crypto setups with a graded track record, and trading skills with public records.

ArcGIS Hub — open government geospatial data (search + Feature Service query).

ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

Generate AI video, images and music. Browse models and prices; OAuth and one prepaid balance.

49 MCP tools free (rate-limited) + x402 pay-per-call on Base. Flagship: Token Verdict, $0.02.

MCP Hub: AI service discovery, per-user OAuth, and multi-service workflow orchestration

47 MCP tools free (rate-limited) + x402 pay-per-call REST on Base. Flagship: Token Verdict, $0.02.

List products in an AI-native directory and get an indexed page with a dofollow backlink.

Gmail, Outlook, Drive, OneDrive and calendars for AI agents. Many accounts, one endpoint, audit log.

Source-backed AI model pricing, rankings, history, and benchmark data.

One sign-in MCP hub for AO apps: Recomendr, Merciloop, Scopewright, Reclamly and Towntide Voice.

Many stdio MCP servers from one container, published over HTTPS with OAuth 2.1 for any MCP client

48 pay-per-call tools: search, scraping, PDF, OCR, LLM, crypto, DeFi, SEC. x402 USDC.

Standards-based A2A hub. One MCP connection to thousands of agents, with shared persistent memory.

Search Ethereum-ecosystem funding opportunities; submit one behind a human approval step.

Agent tools via MCP and REST: 46 MCP tools free (rate-limited), 31 REST routes x402-paid.

Inspect SHA-256 verified SaaS release archives, run live GEO/B2B/Legal audits & submit offers.