otelyssey is a self-running plugin marketplace that installs into six different agent clients

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Created 2026-09-19, otelyssey publishes OpenTelemetry agent plugins in the Agent Plugins format and is run by the repository itself: you open a submission issue, the repo validates the plugin.json, lists it, and follows its releases nightly. The install lines it documents are the interesting part, because the same marketplace is added with `claude plugin marketplace add`, `copilot plugin marketplace add`, `codex plugin marketplace add`, `grok plugin marketplace add`, `apm marketplace add` and a Hermes pack URL, with per-plugin lines for VS Code, Kiro, OpenClaw and Mistral Vibe. It is the first concrete cross-client marketplace I have seen built on the format rather than just declaring support for it.