Liner
Seoul-founded Liner — started as web-highlighter (2015), pivoted to AI research assistant 2023. $40M Series B Jul-2023 ($350M val; Salesforce Ventures + DSC Investment + Beenext). 10M+ users.
Active · Verified 2026-10-28 · fresh as of 2026-10-28 · 21 cited facts, 1 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Tier
- T3
- Created
- 2015 (founded); AI 2023 vendor fix
- Latest release
- not applicable — wrong section fix
- License
- not applicable — not OSS fix
- GitHub
- not applicable — no GitHub repo fix
- Pricing
- Free $0; Pro $17.99/mo ($14.99 billed annually); Max $35.99/mo ($29.99 billed annually) vendor fix
- Funding
- $36.1M Series C (per Liner newsroom; date not shown) vendor fix
- Freshness
- 2026-10-28 fix
- Layer
- agent-infra repo fix
- Licensing
- commercial vendor fix
- Accelerator
- google-for-startups third-party fix
- Protocols
- mcp-server vendor fix
When to use
Optimised for: consumer AI research assistant + web highlight
Anti-fit: not applicable — wrong section
Pros & cons
Pros
Asia-Pacific consumer focus; 10M+ users; Salesforce Ventures-backed.
Cons
Less brand in US/EU; consumer-tier AI agent vs enterprise.
Claims & capabilities
$40M Series B Jul-2023 ($350M val; Salesforce Ventures + DSC + Beenext); 10M+ users
Technical surface
- API surface
- not applicable — wrong section
- Backend storage
- not applicable — wrong section
- Deployment
- not applicable — wrong section
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- not applicable — wrong section
- MCP
- yes — Liner Search MCP, Scholar MCP and Actions MCP (1,100+ apps)
- A2A
- not applicable — wrong section
- OpenTelemetry
- not applicable — wrong section
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Sources (20 cited facts, 1 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Personal AI research assistant (highlight + research) vendor
- What it does & what's distinct Seoul-founded Liner — started as web-highlighter (2015), pivoted to AI research assistan… vendor
- Claims / benefits $40M Series B Jul-2023 ($350M val; Salesforce Ventures + DSC + Beenext); 10M+ users vendor
- Created 2015 (founded); AI 2023 vendor
- Funding $36.1M Series C (per Liner newsroom; date not shown) vendor
- Pricing Free $0; Pro $17.99/mo ($14.99 billed annually); Max $35.99/mo ($29.99 billed annually) vendor
- HQ Seoul vendor
- Founders / pedigree Luke Kim (CEO; ex-Samsung) vendor
- MCP support yes — Liner Search MCP, Scholar MCP and Actions MCP (1,100+ apps) vendor
- Optimised for consumer AI research assistant + web highlight vendor
- Pros Asia-Pacific consumer focus; 10M+ users; Salesforce Ventures-backed. vendor
- Cons Less brand in US/EU; consumer-tier AI agent vs enterprise. vendor
- Project & sources liner.com/ai vendor
- adoption-accelerator google-for-startups third-party
- architecture-deployment-locus cloud vendor
- licensing-bucket commercial vendor
- positioning-platform-vs-product both vendor
- taxonomy-three-layer-rollup agent-infra repo
- sdk-languages rest vendor
- protocol-support mcp-server vendor
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
- 2026-10-28
- Homepage “https://liner.com/ai” → “https://liner.com/”
- Pricing “not applicable — wrong section” → “Free $0; Pro $17.99/mo ($14.99 billed annually); Max $35.99/mo ($29.99 billed annually)” source
- Funding / ownership “$40M Series B Jul-2023 ($350M val; Salesforce Ventures)” → “$36.1M Series C (per Liner newsroom; date not shown)” source
- MCP support “not applicable — wrong section” → “yes — Liner Search MCP, Scholar MCP and Actions MCP (1,100+ apps)” source