{"name":"free-sign.com","description":"Zero-document PDF signing. AI agents can create signing envelopes and verify hashes, but must keep PDF bytes local.","documentation":"https://free-sign.com/llms.txt","skills":{"free-sign-agent":{"description":"Agent Skill for signing or verifying PDFs through FreeSign without uploading PDF content.","canonical":"https://free-sign.com/free-sign-agent/SKILL.md","files":{"SKILL.md":"https://free-sign.com/free-sign-agent/SKILL.md"}}},"httpApi":{"openapi":"https://free-sign.com/openapi.json","note":"REST endpoints accept hashes and evidence only. PDF bytes are never accepted in the default product flow."},"servers":[{"name":"free-sign","url":"https://free-sign.com/mcp","transport":"streamable-http","protocolVersion":"2025-06-18","authentication":{"default":"none for envelope creation and hash verification in MVP; abuse controls will be added before production."}}],"capabilities":{"tools":["create_signing_envelope","verify_document_hash","get_receipt","get_ots_proof","verify_audit_chain"],"resources":["freesign://envelope/{id}/receipt.json"],"documentUpload":false},"clientConfig":{"claudeDesktop":{"mcpServers":{"free-sign":{"type":"http","url":"https://free-sign.com/mcp"}}},"claudeCode":"claude mcp add --transport http free-sign https://free-sign.com/mcp"}}