Attio
Official MCP4.5/5Excellent
Built after MCP existed and it shows — hosted server, clean object model, write access without an enterprise conversation.
Reach4.5
Cost5
Control3.5
Trust4.5
FreeCore writeHeadless
CRM MCP Servers (5)
Source: anyCan do: anythingAuth: anyScore: anySort: Best overall
HubSpot
Official MCP4/5Good
The most accessible CRM server in the category — official, OAuth, write-capable, and genuinely free. The benchmark others are measured against.
Reach4.5
Cost5
Control2.5
Trust5
FreeCore write
Pipedrive
Official MCP3.5/5Good
Easiest setup in the category (browser OAuth, no code), but reported as read-only — good for pipeline questions, not for updating deals.
Reach3.5
Cost3.5
Control3
Trust4
Paid planRead only
Salesforce
Official MCP3.5/5Good
The most capable CRM surface and the most gated: Enterprise licence, org admin, connected app. Budget setup time, not just money.
Reach4
Cost2.5
Control2
Trust4.5
EnterpriseCore write
Zoho CRM
No MCP2/5Limited
The gap in this category: mature API, no MCP server, no llms.txt. Agents can only reach Zoho CRM through custom glue code.
Reach0.5
Cost5
Control1.5
Trust1
FreeRead only