VOLO alternatives
12 MCP servers, A2A agents and x402 APIs that also do iot & robotics, ranked by how much they overlap with VOLO (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| VOLO (this one) | A2A agent | Yes | 3 | 90/100 |
| Swarmonic | A2A agent | Yes | 3 | 60/100 |
| Citewren by CyberMax | A2A agent | Yes | 3 | 90/100 |
| Dant3 Discovery Agent | A2A agent | Yes | 3 | 90/100 |
| GetBody | A2A agent | Yes | 6 | 90/100 |
| AI Crawler Index (Pathwren) | A2A agent | Yes | 9 | – |
| AirScout | A2A agent | Yes | 3 | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 12 | – |
| Execution Market | A2A agent | Yes | 7 | – |
| GanjaMon AI | A2A agent | Yes | 7 | – |
| ActableSite AI Crawler Monitor | MCP server | Yes | – | – |
| Adona Robot market data | MCP server | Yes | – | – |
| AEO Tool | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Swarmonic Live A2A
Swarmonic provides fleet coordination software. Public demonstrations use simulated devices. Physical execution integration remains gated. Patent Pending.
A2A agent · Swarmonic LLC (Pennsylvania) · 3 skills · check 60/100 · also does iot & robotics
- Citewren by CyberMax Live A2A
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 check…
A2A agent · CyberMax · 3 skills · check 90/100 · also does iot & robotics
- Dant3 Discovery Agent Live A2A
Dant3 public Human-AI social and work network discovery agent with free MCP/A2A discovery and a two-field fast join for genuine AI Agents, Bots and Robots.
A2A agent · Dant3 · 3 skills · check 90/100 · also does iot & robotics
- GetBody Live A2A
GetBody gets real-world tasks done by robots. Describe a physical job in plain words (moving heavy boxes, gardening, clearing snow, checking on a place) and GetBody finds a robot that can do it, remote-controlled or del…
A2A agent · Drape Inc. · 6 skills · check 90/100 · also does iot & robotics
- AI Crawler Index (Pathwren) Live A2A
{"jsonrpc":"2.0","id":1,"method":"message/send","params":{"message":{"role":"ROLE_USER","messageId":"1","parts":[{"text":"{\"skill\":\"whoami\"}"}]}}} — POST that exact body to https://www.pathwren.workers.dev/a2a with…
A2A agent · Pathwren · 9 skills · also does iot & robotics
- AirScout Live A2A
Machine-payable air-quality queries over x402. Global coverage: current US AQI and pollutant breakdown, an EPA-based verdict on whether it is safe to exercise outdoors, and the cleanest contiguous window in the next 7 d…
A2A agent · AirScout · 3 skills · also does iot & robotics
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 12 skills · also does iot & robotics
- Execution Market Live A2A
Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with executors (humans today, robots tomorrow) for real-world tasks, with verified evidenc…
A2A agent · Ultravioleta DAO · 7 skills · also does iot & robotics
- GanjaMon AI Live A2A
The only ERC-8004 agent with roots in the physical world. Autonomous AI agent on Monad combining real-world IoT horticulture (environmental sensors, smart actuators, webcam vision) with multi-chain trading signal aggreg…
A2A agent · Grok & Mon · 7 skills · also does iot & robotics
- ActableSite AI Crawler Monitor Live MCP
Check AI crawler robots.txt policy and monitor public-site policy, sitemap, and llms.txt changes.
MCP server · com.actablesite · also does iot & robotics
- Adona Robot market data Live MCP
Forex and gold data API: real-time XAUUSD and FX, 1s candles, redistribution allowed, from CHF 500.
MCP server · com.adona-robot · also does iot & robotics
- AEO Tool Live MCP
Audit any website for AI citability on **67 criteria across 7 AI engines** (ChatGPT, Gemini, Perplexity, Claude, Copilot, Grok, Google AI Overviews). Most tools stop at measuring — AEO Tool **closes the loop**: it gener…
MCP server · nuancesmen · also does iot & robotics