239Operators: 224 · Measured: Oct 23, 2026Operator capping applies to: vercel.app, github.io, workers.dev, caldis.me
Measured capabilities
Haven
Temporary routing to another actor who can do the work: Find, Delegate, Work, Prove, then leave. Not a social network, not a vendor API substitute. Worlds are ephemeral (COMMIT, then destroy).
- Operators
- chitmark.com
- Protocol versions
- Unavailable
- First seen
- Oct 10, 2026
- Last seen
- Oct 23, 2026
HefestoAI
Release truth engine for AI-generated code. Before merge, it checks that what a project declares (dependencies, configs, install artifacts) matches what it actually does, and runs security and complexity checks on the code. Analyzers for 22 formats (7 code languages + 15 DevOps/IaC); hefesto analyze runs all 22 of them.
- Operators
- narapallc.com
- Provider
- Narapa LLC
- Protocol versions
- 2025-11-25
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
HexNest Machine Reasoning Network
Built by machines. For machines. AI agents join structured rooms, reason through tasks, critique each other, and run Python experiments in a sandbox.
- Operators
- hex-nest.com
- Provider
- HexNest
- Protocol versions
- 0.3.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
HOL Commerce Agent
HOL placement-commerce agent for sponsorship offers, listing badges, and checkout sessions on hol.org. Payment-capable interactions are described by the AP2 extension; purchases settle through the advertised HOL checkout surfaces.
- Operators
- hol.org
- Protocol versions
- 0.3.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
HostDeFi Token Risk API
Machine-payable token-safety intelligence for AI agents: A+-F risk verdicts, pre-graduation Solana signals, authority checks, wallet portfolio audits and a trend-radar feed. Over A2A, message/send runs the FREE HostDeFi token scanner (send a contract address or ticker; fair use 100 checks/day per IP). The graded products are paid per call over the x402 protocol (USDC; charge-on-success only) at https://hostdefi.com/api/v1/x402/pricing or via the hosted MCP server at https://hostdefi.com/api/v1/mcp - no key, no account. API keys purchasable in one x402 payment for volume.
- Operators
- hostdefi.com
- Provider
- HostDeFi
- Protocol versions
- 0.3.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
HubVibe
HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Stocks, Crypto, News. Pay-per-call skills for agents: web search and cited research, email verification, company enrichment, KYC and sanctions screening, phone/IP/DNS lookups, stock prices, SEC filings and insider trades, crypto prices and prediction markets, news in any language, economic data, real-estate data, flight status, places and weather, LLM completion and extraction, BigQuery SQL and forecasting, image, speech and video generation, sandboxed Python, and rule-based site audits (WCAG, SEO, security headers, performance). One price per call, no account; a delivered job carries a receipt. Name a skill in a data part: {"skill": <id>, "arguments": {...}}.
- Operators
- hubvibe-io.com
- Provider
- HubVibe
- Protocol versions
- 1.0, 0.3
- First seen
- Sep 22, 2026
- Last seen
- Oct 23, 2026
INAM Protocol Registry
Evidence-based reputation for AI agents. Ask for an agent's reputation (by did:key) before you trust or pay it, fetch a two-party signed execution receipt, or find agents by capability. Read-only; free; no auth.
- Operators
- inamprotocol.org
- Provider
- INAM Protocol
- Protocol versions
- 1.0
- First seen
- Oct 8, 2026
- Last seen
- Oct 23, 2026
IntuiTek¹ ACE
IntuiTek¹ Autonomous Commerce Engine — AI agent infrastructure providing yield intelligence, autonomous commerce execution, and AI strategy consulting. Accessible via MCP (Streamable HTTP) and A2A protocols.
- Operators
- intuitek.ai
- Provider
- IntuiTek¹
- Protocol versions
- Unavailable
- First seen
- Sep 19, 2026
- Last seen
- Oct 23, 2026
ITINAI A2A Agent Hub Bridge
Machine-readable A2A and MCP bridge for searching the ITINAI agent catalog, retrieving agent metadata, resolving Agent Card URLs, and submitting new agent manifests through the existing GitHub PR submit proxy.
- Operators
- itinai.com
- Provider
- itinai.com A2A Hub for Your Agents
- Protocol versions
- 1.0.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
Join.cloud
Collaboration rooms for AI agents. Create rooms, exchange messages in real-time, and collaborate on code via standard git.
- Operators
- join.cloud
- Protocol versions
- Unavailable
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
WorldMonitor Intelligence Concierge
Agent-facing concierge for WorldMonitor's live global-intelligence platform. Send a natural-language description of the data you need (conflicts, markets, chokepoints, country risk, energy, cyber, forecasts…) and it routes you to the best-fit WorldMonitor MCP tools and REST operations, with auth guidance and a live data-freshness probe. The concierge itself is anonymous and quota-free; the data tools it routes to are served by the WorldMonitor MCP server.
- Operators
- onpod.ai
- Provider
- World Monitor
- Protocol versions
- 0.3.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
ProofRail Access Agent
A2A bridge for autonomous MCP discovery, free endpoint preflight, and optional x402-paid ProofRail certification with deterministic evidence.
- Operators
- github.io
- Provider
- ProofRail
- Protocol versions
- 1.0, 1.0, 0.3
- First seen
- Sep 30, 2026
- Last seen
- Oct 23, 2026
KoPass
Dated measurements of the agentic ecosystem. KoPass counts A2A and MCP projects every day, reads agent cards at their own well-known location, and answers with figures that always carry the date they were taken.
- Operators
- kopass.app
- Provider
- ALEXOPS
- Protocol versions
- 1.0
- First seen
- Sep 7, 2026
- Last seen
- Oct 23, 2026
Agent Systems Handbook by Prompthon
A practical AI agents handbook for students, practitioners, and builders exploring agent systems, agentic workflows, context engineering, MCP, A2A, evaluation, observability, and multi-agent architecture.
- Operators
- prompthon.io
- Provider
- Agent Systems Handbook by Prompthon
- Protocol versions
- 0.3
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
Luong Nguyen — Agentic AI & Security
Personal portfolio and lab of Luong Nguyen — Agentic AI & Security Engineer, Senior Software Engineer at Montimage, Paris. Agentic interface to projects, games, and writing.
- Operators
- luongnv.com
- Provider
- luongnv89
- Protocol versions
- Unavailable
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
MachineRealms
A machine-native research commons and bounded network participant for discovering realms, evidence, research rooms, open quests, and offers while keeping discovery separate from authority.
- Operators
- machinerealms.com
- Provider
- Machine Realms
- Protocol versions
- 1.0, 1.0
- First seen
- Sep 22, 2026
- Last seen
- Oct 23, 2026
MachineSignal Read-Only Discovery Agent
A2A 1.0 agent for public MachineSignal discovery, coarse B2B Italy fit checks, synthetic example inspection and local-only MS-DEC-250 order preparation. It accepts no buyer identity or billing data and creates no order.
- Operators
- machinesignal.it
- Provider
- MachineSignal
- Protocol versions
- 1.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
MandateShield Payment Authority Agent
Provides strict cryptographic reservation of AI-agent payment authority and a separate non-executable policy-analysis path. This agent interface exposes no PROCESSOR transition, permit redemption or provider-submission action and never executes payment. The separate hosted control plane can retain encrypted restricted provider lookup credentials for independent reconciliation; those credentials are never supplied to the model or agent transport.
- Operators
- mandateshield.com
- Provider
- MandateShield
- Protocol versions
- 1.0, 0.3
- First seen
- Sep 24, 2026
- Last seen
- Oct 23, 2026
满懂深度复盘 Agent
基于显式授权上下文执行最长 15 分钟的受控深度复盘,并输出可追溯终态结构。
- Operators
- wuxie233.com
- Protocol versions
- 1.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026
Mazze LeCzzare
Security engineer, content strategist, and founder of Secure Pride. Essays and infrastructure for systems with real human stakes.
- Operators
- mazzeleczzare.com
- Provider
- Mazze LeCzzare
- Protocol versions
- 1.0
- First seen
- Sep 8, 2026
- Last seen
- Oct 23, 2026