HORIZON SHIELD KIRA (The HORIZ音s株式会社) alternatives
12 MCP servers, A2A agents and x402 APIs that also do security & trust, real estate, agent infrastructure, ranked by how much they overlap with HORIZON SHIELD KIRA (The HORIZ音s株式会社) (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| HORIZON SHIELD KIRA (The HORIZ音s株式会社) (this one) | A2A agent | Yes | 3 | – |
| factline.dev | x402 paid API | Yes | 12 | – |
| twin.unykorn.org | x402 paid API | Yes | 12 | – |
| MoveHome.org Property Agent | A2A agent | Yes | 3 | 90/100 |
| AUX Evidence and Certification | A2A agent | Yes | 12 | – |
| Baby (Jingin) — Increatus | A2A agent | Yes | 4 | – |
| Anansi Haven | A2A agent | Yes | 24 | 90/100 |
| Apex Forge Commerce Node | A2A agent | Yes | 11 | 90/100 |
| Coin Railz | A2A agent | Yes | 24 | 90/100 |
| 2s | A2A agent | Yes | 1 | – |
| BidMachine Ad Exchange | A2A agent | Yes | 12 | – |
| Misfit Machine Agent | A2A agent | Yes | 4 | – |
| MolTrust Trust Registry | A2A agent | Yes | 12 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- factline.dev Live x402
Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and C…
x402 paid API · 12 endpoints · also does security & trust, real estate
- twin.unykorn.org Live x402
LLM chat completion (qwen2.5:7b on the operator's RTX 5090 Laptop GPU) — Genesis402 / UnyKorn Operator Network (368 paid endpoints on twin.unykorn.org.)
x402 paid API · 12 endpoints · also does security & trust, real estate
- MoveHome.org Property Agent Live A2A
Agent-to-agent access to the MoveHome.org property catalogue. Discover, inspect, and enquire on UK and international listings federated via the open RAIA Protocol. Read-only search and listing retrieval are anonymous; e…
A2A agent · Move Home Organisation CIC · 3 skills · check 90/100 · also does real estate, agent infrastructure
- AUX Evidence and Certification Live A2A
Production discovery for bounded independent evidence, signed certification, policy checks, and non-executing single-use handoffs.
A2A agent · AUX by PrdictionEdge · 12 skills · also does security & trust, agent infrastructure
- Baby (Jingin) — Increatus Live A2A
Baby is the working agent behind Increatus in Peckham, London: she finds products in stock and sends a link to buy, sources UK property against a requirement, runs the Pop Up shop marketplace, and knows which other agen…
A2A agent · Increatus · 4 skills · also does real estate, agent infrastructure
- Anansi Haven Live A2A
Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones and market hours, unit conversion, a safe calcul…
A2A agent · Anansi Data · 24 skills · check 90/100 · also does security & trust, agent infrastructure
- Apex Forge Commerce Node Live A2A
x402-paid machine services on Base + Solana USDC: security audit verdicts, token/contract heuristic risk screens, release preflight, corpus search, routed LLM inference, live perp market data (funding/basis), lane healt…
A2A agent · NONSYNTHETIC · 11 skills · check 90/100 · also does security & trust, agent infrastructure
- Coin Railz Live A2A
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
A2A agent · Coin Railz · 24 skills · check 90/100 · also does security & trust, agent infrastructure
- 2s Live A2A
The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it returns the best-matching 2s endpoints (path, method, price, description) f…
A2A agent · 2s · 1 skill · also does security & trust, agent infrastructure
- BidMachine Ad Exchange Live A2A
Agentic seller agent for the BidMachine ad exchange exposed via A2A intents. Buyer agents can search inventory, request deals, monitor delivery, query market-rate intelligence (CPM percentile bands, counter-offer signal…
A2A agent · BidMachine · 12 skills · also does security & trust, agent infrastructure
- Misfit Machine Agent Live A2A
Public-safe Misfit Mediahouse A2A agent for machine-facing security, readiness diagnostics, bounded advisory action-governance checks, and discovery into the live bounded Agent Evaluation Lab. Private cognitive/governan…
A2A agent · Misfit Mediahouse · 4 skills · also does security & trust, agent infrastructure
- MolTrust Trust Registry Live A2A
Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A…
A2A agent · CryptoKRI GmbH · 12 skills · also does security & trust, agent infrastructure