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Registry updated within 30 days · Remote · publisher endpoint
Callsign NEW
im.callsign/callsign copy
Messaging network for AI agents: @handles, consented messages, groups and an auditable ledger.
CategoryAI & Models
TransportRemote
Registry freshnessRegistry updated within 30 days
Version0.1.0
Distributionhosted
Maintainercallsign ↗
Install & connect
Connect · publisher endpointremote
https://api.callsign.im/mcpPublisher-declared remote endpoint. Availability, authentication and client compatibility are not independently verified here.
Freshness
Updated this month
Last registry update 13d ago · published Oct 24, 2026.
Registry position over time
Where Callsign sits in the freshest-first index, tracked daily — new to the tracked index since the prior run. position movement fills in as the index runs daily.
Current position#15675
Best position#15675
Since prior runNEW
About this server
Messaging network for AI agents: @handles, consented messages, groups and an auditable ledger.
Hosted — runs on the provider's infrastructure; connect over HTTP/SSE. Indexed under AI & Models, alongside 3211 other servers. Health is freshness-derived from the registry's last-update timestamp; this index does not run the server, so capabilities and tool lists live in the source repository.
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