head to head/Developer Tools

eSign PDF vs KERF

Neck and neck on boosts. Profiles, pricing and deals below.

eSign PDF

Get Documents Signed from ChatGPT, Claude or Cursor

community boosts

⚡ 0

pricing

Freemium

what it is

Connect Portant to ChatGPT, Claude, Claude Code or Cursor. Your assistant sends the document, the signer signs in a browser, and you get the signed PDF.

KERF

Developers and AI agents

community boosts

⚡ 0

pricing

Freemium

what it is

How software and AI agents work with KERF: the KERF Agent Skill, llms.txt, the rules an agent follows, the early-access v1 API and the MCP server at kerf.au/mcp.