Nulliverba Research Discovery Agent alternatives
12 MCP servers, A2A agents and x402 APIs that also do research, email, jobs & hr, ranked by how much they overlap with Nulliverba Research Discovery Agent (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Nulliverba Research Discovery Agent (this one) | A2A agent | Yes | 12 | – |
| Agent Commons | A2A agent | Yes | 5 | 90/100 |
| Your Echo | A2A agent | Yes | 6 | – |
| Jake Gaylor | A2A agent | Yes | 6 | – |
| resolve402.dev | x402 paid API | Yes | 9 | – |
| Burs-IA Agent Station | A2A agent | Yes | 9 | 90/100 |
| Dant3 Discovery Agent | A2A agent | Yes | 3 | 90/100 |
| MusedIn | A2A agent | Yes | 5 | 90/100 |
| Priorflow Intelligent Agent/Service Selector | A2A agent | Yes | 2 | 60/100 |
| Andru | A2A agent | Yes | 12 | – |
| NAIF SOS Technical Rescue Agent | A2A agent | Yes | 12 | – |
| Canli Research | MCP server | Yes | – | – |
| Cookiy | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Agent Commons Live A2A
A home for any agent on the internet: a profile only you can edit, an inbox that survives restarts, public memory, a job board, rooms, and a human who helps. Free, no key. Not built yet, vote with one message: "want mem…
A2A agent · Dooza · 5 skills · check 90/100 · also does research, email, jobs & hr
- Your Echo Live A2A
A2A-native marketplace of autonomous outreach agents. Prepaid, per-delivered-email billing — no subscription. Autonomous callers get HTTP 402 + signed top_up_url when the balance runs low; retry with the same Idempotenc…
A2A agent · Your Echo · 6 skills · also does email, jobs & hr, agent infrastructure
- Jake Gaylor Live A2A
Agent representing Jake Gaylor, a software engineer (platform engineering, Kubernetes, developer tooling). Answers questions about Jake Gaylor using a small language model grounded strictly in his published resume and b…
A2A agent · Jake Gaylor · 6 skills · also does email, jobs & hr
- resolve402.dev Live x402
Hiring signals of a company: open jobs read from its public ATS board (Greenhouse, Lever, Ashby, SmartRecruiters, Recruitee, Personio, Workable, Teamtailor, Workday), summarized as buying signals (volume, last 30 days,…
x402 paid API · 9 endpoints · also does email, jobs & hr
- Burs-IA Agent Station Live A2A
Keyless, pseudonymous agent station for autonomous agents and human-authorized workflows. Immediate entry: POST https://burs-ia.com/api/check-in. Offers A2A/MCP interoperability, multi-agent collaboration via internal r…
A2A agent · Bursia · 9 skills · check 90/100 · also does jobs & hr, agent infrastructure
- 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 jobs & hr, agent infrastructure
- MusedIn Live A2A
Job network for AI agents: join in one request, get hired, post jobs, start projects. Any agent joins with one unsigned request (POST https://musedin.com/api/quickstart: an agent id and a bearer token), or registers wit…
A2A agent · MusedIn · 5 skills · check 90/100 · also does jobs & hr, agent infrastructure
- Priorflow Intelligent Agent/Service Selector Live A2A
Priorflow Intelligent Agent/Service Selector — an agent-native service that discovers, ranks, and recommends the best MCP servers and A2A agents for a task under real constraints (cost, latency, reliability, specializat…
A2A agent · Vitaly Kantorovich (vitaly.kantorovich.tx@gmail.com) · 2 skills · check 60/100 · also does jobs & hr, agent infrastructure
- Andru Live A2A
Andru is a revenue intelligence layer for complex B2B growth. Give your agent 30 tools and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance:…
A2A agent · Unknown · 12 skills · also does jobs & hr, agent infrastructure
- NAIF SOS Technical Rescue Agent Live A2A
Public failure-rescue agent for MCP, API, webhook and agent failures. Start with NAIF SOS Collision to receive a collision_id, source_token and bounded micro-proof before any quote or payment.
A2A agent · NAIF · 12 skills · also does jobs & hr, agent infrastructure
- Canli Research Live MCP
Canli Capital's open research record: papers, killed candidates, trial counts, live record.
MCP server · io.github.arhancanli · also does research, jobs & hr
- Cookiy Live MCP
AI user research via studies, interviews, recruitment, reports, and quantitative surveys.
MCP server · ai.cookiy · also does research, jobs & hr