PCM-protocol
Proof-Carrying Messages: a protocol for AI agents whose claims carry evidence the receiver checks offline
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GITHUB · launched Oct 28, 2026 · 37 upvotes (top 42%)
- Horizontal
- Compliance & governance
- Developer
- AI-native
- Hobby / open-source project
- a2a
- agent-protocol
- agent-security
- ai-agents
- mcp
- merkle-tree
- +4 more
Similar launches
See all 3210 similar launches →Could you build this?
Yes A protocol with a reference SDK and offline verification of claims is a spec plus libraries that a developer can prototype with vibe coding, though adoption is the real challenge.
Competitors
Other products that read as similar to this one : 3210 launches clear the similarity bar, closest 8 shown.
Attention rank: #1213 of 3211 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 364 days after the earliest competitor.
- receipt-protocol · github · 2026-09-26 · 15 upvotes · similarity 0.72
- Tessera · hn · 2026-07-07 · 5 upvotes · similarity 0.70
- writ · github · 2026-09-21 · 9 upvotes · similarity 0.68
- Rubric AI · yc · 2026-03-11 · 15 upvotes · similarity 0.67
- AgentTrust · hn · 2026-10-25 · 16 upvotes · similarity 0.67
- symbolic-reasoning · github · 2026-10-29 · 24 upvotes · similarity 0.66
- AletheionAGI · hn · 2026-08-14 · 5 upvotes · similarity 0.65
- Agenttrust · github · 2026-10-25 · 20 upvotes · similarity 0.65
Other launches for this product
- No other launches for this product.