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openclaude-improved
OpenClaude is an open-source CLI coding agent that runs on any platform and supports a wide range of LLM providers, offering the same tools and workflows as Claude Code.
kysigned
kysigned is an open-source e-signature service that uses DKIM signatures from email providers to create verifiable evidence bundles, costing $0.25 per envelope on the hosted version and fully self-hostable on run402.
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35
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2
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License
Apache-2.0
Last updated
2026-07-28
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It repurposes existing email infrastructure (DKIM) for legally durable signatures, eliminates the need for accounts or apps for signers, and produces offline-verifiable bundles independent of the service's existence.
Who it is for
- Developers seeking a self-hosted signing solution
- Small businesses wanting low-cost e-signatures
- Privacy-conscious users requiring offline verification
- Legal professionals needing auditable signature evidence
Use cases
- Signing contracts or agreements via email forward
- Collecting signatures from clients without requiring them to sign up
- Archiving tamper-evident signed documents for compliance
- Integrating signing capabilities into MCP-enabled agents
Strengths
- Cost-effective at $0.25 per envelope
- Self-contained evidence bundles that can be verified offline
- Open-source with Apache 2.0 license, no copyleft restrictions
- Trust model not dependent on kysigned; relies on DKIM and public timestamp archives
Considerations
- Signing only works with email providers that have robust DKIM implementation
- Self-hosting requires using run402 platform
- Legal validity may vary across jurisdictions; README includes disclaimer
README quick start
Quick Start
Description
Self-verifying e-signatures: sign by email, proof sealed by DKIM, verifiable offline forever. Forkable template running on run402.
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