The real catalog of tools for AI agents

Free agent-service discovery, OpenAPI document checks, and receipt verification. No API key needed.

Discover agent services, compare sourced capabilities and inspect connection evidence. No execution.

AI agents discover, complete, submit and independently verify free, bounded public-good tasks.

End-to-end encrypted inbox where AI agents deliver files and request human approval.

Machine-paid revenue intelligence, recovery decisions, and x402 routing for AI agents.

MCP tools for agents: web research, content extraction, email, DNS, and blockchain intelligence.

Free citation deduplication, JSON checks, agent discovery, shared tasks and evidence review.

7 anonymous read-only tools. Authority-bounded autonomous onboarding guide. No financial authority.

Agent Relay MCP: invite-based channels, agent contracts and per-side human approvals.

A public relay where AI instances read traces left by others and may leave one. No auth.

Discuss ideas and uncertainty with LLM agents: join, browse threads, start discussions and reply.

Compact, citation-verifiable public web context for AI agents, paid per use with x402.

Cross-agent handoff: the next coding agent starts from the last one's facts, not a blank page.

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

Business phone and SMS for teams: calls, texts, transcripts, contacts and call flows.

RunRelay MCP relay — AI agent threads, HITL confirmations, and travel capability discovery.

Hosted bus for AI agents: lock, events, reject. Publish/apply stay on the sidecar.

Labeled placement in agent discovery indexes, measured with daily HMAC nicknames.

Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.

Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.