Reach MCP vs ARIA Protocol
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Reach MCP compared with ARIA Protocol
| Detail | 
Reach MCP | 
ARIA Protocol |
|---|
| What it does | LinkedIn MCP server for AI agents and agencies
| Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
|
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | FR
| MX
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| Pricing model | Paid
| Open source
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| Pricing | $20/month for the first account, $7/month for accounts 2-10, $5/month for accounts 11+. One plan includes all features.
| Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
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| Key features | - LinkedIn messaging and conversation management
- Connection request management
- Post activity and comment engagement
- LinkedIn post scheduling
- Activity monitoring dashboard
- Rotating proxy and rate-limit management
- Multi-account management for agencies
- REST API for custom integrations
| - W3C Verifiable Credentials (AID format)
- Four trust levels (L0-L3) with progressive verification
- DNS anchoring starting at L1
- ML-DSA-65 + Ed25519 composite signatures
- ARIA AP for signed requests and receipts
- Append-only Trust Ledger with credential lifecycle events
- Revocation capability with signed status lists
- Public REST API verification endpoint
- TypeScript SDK for credential verification
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| What makes it different | - Preview approval system: every write shows numbered preview before sending anything
- Eight built-in playbooks shipped as AI suggestions, no prompt engineering needed
- One MCP URL works with Claude, ChatGPT, Cursor, n8n, Make and other MCP clients
- 30% referral commission for agencies on client subscriptions for 12 months
| - Post-quantum native from launch, not a migration plan
- Governed by nonprofit to prevent capture
- Complements existing protocols without replacing them
- L0 credentials issued and verifiable today
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 18 ▼ −1 (down) since last check | 23 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 7 |
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| Citation Flow (Majestic) | 25 | 20 |
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| Referring domains (Majestic) | 60 | 10 |
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6 details filled in for both companies.
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