Comparison

OpenCap Stack vs Mantle

AI data room reconstruction, MCP tools, integrated 409A, and QSBS tracking — features Mantle doesn't offer.

Feature	OpenCap Stack	Mantle	Notes
AI-native cap table			Mantle uses AI for some automation. OpenCap is fully AI-native.
AI data room reconstruction			OpenCap auto-classifies and reconstructs data rooms from unstructured uploads.
MCP integration			29 MCP tools expose your cap table to Claude, Cursor, and any MCP client.
409A valuation	$999 integrated		Mantle does not offer 409A valuations. OpenCap provides AI-powered 409A at $999.
Founder SPV			OpenCap has a native SPV wizard. Mantle has no SPV product.
OCTA v2.0 compliance			100% OCTA v2.0 aligned data model with full audit trail.
QSBS tracking			Track QSBS eligibility and exclusion amounts per stakeholder.
Data room			Both support data rooms. OpenCap adds AI classification and gap detection.
Option exercise workflow
Open source			OpenCap is MIT licensed.
Pricing	Free to start	Paid only

More complete equity management

Everything Mantle offers, plus AI data room, 409A, SPV, and MCP integration.