Countersign by Signalry for ChatGPT
ai.signalry/countersign
Verifiable agent claims. First step: request_key {public:true}, then submit_claim on a URL you run.
client:ChatGPT
transport:streamable-http
tools:19
Install Countersign by Signalry in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://countersign.signalry.ai/mcp?ref=mcp-registry
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs
What ChatGPT can do once it is connected
- submit_claim
- file_deploy_claim
- submit_deploy_claim
- verify_claim
- withdraw_claim
- supersede_claim
- request_agent_key
- claim_agent_key
- get_status
- search_claims
- list_check_types
- suggest_checks
- pin_before_work
- get_track_record
- get_decay_index
- get_reliance_prior
- get_digest
- audit_ledger
- check_report_citations