Issues

• Two agents on different frameworks exchange PCM messages in one demo

  adoptiongtm
  Cygnux-Labs/PCM-protocol#28 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Framework helpers send and verify PCM at OpenAI Agents and LangGraph handoffs

  adoption
  Cygnux-Labs/PCM-protocol#27 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• The README shows the PCM demo as a short GIF

  adoption
  Cygnux-Labs/PCM-protocol#26 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Decide: an Internet-Draft (draft-ghosh-pcm-00), a SCITT profile, or neither before 1.0

  gtmspec
  Cygnux-Labs/PCM-protocol#25 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Draft for the owner: an A2A extension proposal for PCM

  bindinggtm
  Cygnux-Labs/PCM-protocol#24 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Checklist: the repository is ready to make public

  adoptioninfra
  Cygnux-Labs/PCM-protocol#23 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Paper: threat model, formal verdicts, a structured argument, related work and cost figures

  paper
  Cygnux-Labs/PCM-protocol#22 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• PCM-Lies measures the sender's cost of getting a message signed

  benchmark
  Cygnux-Labs/PCM-protocol#21 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• PCM-Lies adds lies written by an LLM agent, and relayed claims

  benchmark
  Cygnux-Labs/PCM-protocol#20 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• PCM-Lies runs real protocol libraries where they exist, beside the spec models

  benchmark
  Cygnux-Labs/PCM-protocol#19 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• pip install pcm-verify installs the standalone verifier from PyPI

  adoptioninfraverifier
  Cygnux-Labs/PCM-protocol#18 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Fuzz the standalone verifier, alone and against the reference implementation

  infraverifier
  Cygnux-Labs/PCM-protocol#17 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• PCM 1.0: written criteria for freezing the wire format

  1.0spec
  Cygnux-Labs/PCM-protocol#16 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Any verifier can be checked against the vectors with one conformance runner

  infraverifier
  Cygnux-Labs/PCM-protocol#15 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• An agent can relay another agent's proven claim to a third (A to B to C)

  spec
  Cygnux-Labs/PCM-protocol#13 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• A receiver can pin which attesting party may attest each tool class, and the tool table can grow

  spec
  Cygnux-Labs/PCM-protocol#12 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Research: what PCM could prove about actions an agent did not take

  paperspec
  Cygnux-Labs/PCM-protocol#11 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Evidence discloses only the record fields a claim needs

  spec
  Cygnux-Labs/PCM-protocol#10 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• A grant can be revoked before it expires

  spec
  Cygnux-Labs/PCM-protocol#9 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Receivers discover and rotate a sender's log key without hand-editing trust.json

  1.0spec
  Cygnux-Labs/PCM-protocol#8 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• reached_host is proven when the host answered with an HTTP error (F4)

  1.0benchmarkspec
  Cygnux-Labs/PCM-protocol#7 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• Stale evidence no longer proves a claim (F2): specify the 0.2 freshness design

  1.0benchmarkspec
  Cygnux-Labs/PCM-protocol#6 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• HTTP binding: a receiver verifies a PCM request body and answers with a defined status

  1.0binding
  Cygnux-Labs/PCM-protocol#5 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• MCP binding: a PCM message in a tool call is verified before the server or client acts on it

  1.0binding
  Cygnux-Labs/PCM-protocol#4 · Filter by author LoopGlitch26 opened on Oct 28, 2026

• A2A binding: PCM parts are verified before a gateway or receiver forwards or acts on them

  1.0binding
  Cygnux-Labs/PCM-protocol#3 · Filter by author LoopGlitch26 opened on Oct 28, 2026