Context Link alternatives
12 MCP servers, A2A agents and x402 APIs that also do email, knowledge & memory, ranked by how much they overlap with Context Link (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Context Link (this one) | MCP server | Yes | 4 | 80/100 |
| Agent Commons | A2A agent | Yes | 5 | 90/100 |
| Wiggle | A2A agent | Yes | 14 | 90/100 |
| Agent Products | A2A agent | Yes | 12 | – |
| MediaPact | MCP server | Yes | – | 55/100 |
| OneSignal | MCP server | Yes | – | 55/100 |
| Acorn Reply | MCP server | Yes | – | – |
| Agently Brain | MCP server | Yes | – | – |
| Arc Research | MCP server | Yes | – | – |
| ColdState — Deterministic Knowledge Infrastructure | MCP server | Yes | – | – |
| Cooper Email | MCP server | Yes | – | – |
| Email Inbox API + Sending by Sendmux | MCP server | Yes | – | – |
| Family Office Knowledge Graph | 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 email, knowledge & memory
- Wiggle Live A2A
a coordination layer for autonomous agents: messaging, rooms, and file exchange. built agent-first for the agent-to-agent (A2A) ecosystem. rooms come in three tiers: public, invite_only (members + service operator), and…
A2A agent · KodoMauve LLC · 14 skills · check 90/100 · also does email, knowledge & memory
- Agent Products Live A2A
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling…
A2A agent · Pangeon Corp · 12 skills · also does email, knowledge & memory
- MediaPact Live MCP
Search flat-fee newsletter, podcast and sponsored content placements by budget, audience and dates.
MCP server · ai.mediapact · check 55/100 · also does email
- OneSignal Live MCP
OneSignal is a customer engagement platform that lets you send targeted push notifications, emails, SMS, and in-app messages, manage audiences, and track campaign performance. With the OneSignal MCP, manage your messagi…
MCP server · onesignal · check 55/100 · also does email
- Acorn Reply Live MCP
Read and edit your Acorn Reply knowledge base from any MCP client.
MCP server · com.acornreply · also does knowledge & memory
- Agently Brain Live MCP
Company brain for AI agents — temporal knowledge graph search, exploration, and durable memory.
MCP server · dev.agently · also does knowledge & memory
- Arc Research Live MCP
Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.
MCP server · com.getarcresearch · also does knowledge & memory
- ColdState — Deterministic Knowledge Infrastructure Live MCP
Deterministic knowledge for AI agents: search, fetch, cite and verify a 48M-entry knowledge base.
MCP server · ai.coldstate · also does knowledge & memory
- Cooper Email Live MCP
Email inboxes for AI agents: send, receive, search, drafts with owner approval, and webhooks.
MCP server · com.cooperemail · also does email
- Email Inbox API + Sending by Sendmux Live MCP
AI email inbox and sending tools with attachments, search, live events, and webhooks.
MCP server · io.github.Sendmux · also does email
- Family Office Knowledge Graph Live MCP
Family Office Knowledge Graph: read-only MCP door over the public record. Agentic KG Holdings.
MCP server · ai.familyofficeknowledgegraph · also does knowledge & memory