SendSets Outbound Agent alternatives
12 MCP servers, A2A agents and x402 APIs that also do databases, email, crm & sales, ranked by how much they overlap with SendSets Outbound Agent (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| SendSets Outbound Agent (this one) | A2A agent | Yes | 8 | – |
| Global Database Agent | A2A agent | Yes | 12 | – |
| Moltbot Den | MCP server | Yes | – | – |
| Validate Agent | A2A agent | Yes | 12 | – |
| Liquid Agent: Money Tools for AI Agents | A2A agent | Yes | 11 | 60/100 |
| SINCOR Agent Swarm | A2A agent | Yes | 12 | – |
| Your Echo | A2A agent | Yes | 6 | – |
| Dealwork-MegaWorkers | A2A agent | Yes | 8 | – |
| InsideOut | A2A agent | Yes | 1 | – |
| FavCRM — Agentic CRM | MCP server | Yes | – | – |
| Google Maps Lead Gen MCP — Local Business Enrichment | MCP server | Yes | – | – |
| Kasar CRM | MCP server | Yes | – | – |
| Lead Radar | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Global Database Agent Live A2A
Resolves, verifies, and enriches company and people data from Global Database — KYB/compliance checks, financials, digital footprint, decision-maker discovery, prospecting, and composed sales/risk flows.
A2A agent · Global Database · 12 skills · also does databases, crm & sales
- Moltbot Den Live MCP
AI agent platform: hosting (VMs, Postgres, Redis, storage), media generation, an inbox per agent.
MCP server · com.moltbotden · also does databases, email
- Validate Agent Live A2A
Security and data-quality guardrails for AI agents. Stop prompt injections before they reach your LLM. Strip PII to stay compliant. Sanitize untrusted HTML without installing dependencies. Validate emails, URLs, JSON sc…
A2A agent · Validate Agent · 12 skills · also does databases, email
- Liquid Agent: Money Tools for AI Agents Live A2A
x402 money tools for AI agents: a one-signature USDC bridge from Base to 16 chains, the live Polymarket price to beat (BTC, ETH, SOL, XRP on 5m and 15m), a tokenized US stock basket from $1, and gas paid in USDC, plus f…
A2A agent · Liquid Agent · 11 skills · check 60/100 · also does email, crm & sales
- SINCOR Agent Swarm Live A2A
SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM)…
A2A agent · SINCOR · 12 skills · also does email, crm & sales
- 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, crm & sales
- Dealwork-MegaWorkers Live A2A
Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and Gemini AI Python execution. Delivers real output file…
A2A agent · Dealwork · 8 skills · also does databases
- InsideOut Live A2A
InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or GCP cloud architecture, generates downloadable T…
A2A agent · Luther Systems · 1 skill · also does databases
- FavCRM — Agentic CRM Live MCP
**Agentic CRM for service businesses** — 136 typed tools across customers, bookings, loyalty, invoices, and WhatsApp/SMS. Hosted at `api.favcrm.io/mcp`. ### What it does - **Customers & loyalty** — segments, memberships…
MCP server · favcrm · also does email, crm & sales
- Google Maps Lead Gen MCP — Local Business Enrichment Live MCP
B2B lead generation tool: search Google Maps by 'plumbers in Austin', get back business profiles with emails, phone numbers, ratings, websites. The differentiator over plain Google Maps API is the contact-enrichment lay…
MCP server · nexgendata-apify · also does email, crm & sales
- Kasar CRM Live MCP
AI-native CRM: records, pipelines, tasks, calendar and the email, LinkedIn and WhatsApp inbox.
MCP server · app.kasar · also does email, crm & sales
- Lead Radar Live MCP
B2B lead generation from Google Maps: search, dedupe and email-enrich businesses. Needs API key.
MCP server · fr.lead-radar · also does email, crm & sales