feat(plugin): add Codex plugin support#73
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Ship the repo as a Codex plugin alongside the existing Claude Code
plugin and Skills-CLI paths:
- .codex-plugin/plugin.json: Codex manifest (skills + mcpServers +
interface metadata for the install UI)
- .codex-plugin/mcp.json: remote-HTTP MCP entry authenticated via MCP
OAuth (RFC 9728 discovery). Deliberately no oauth_resource: rmcp
already appends resource automatically and Codex would add it a
second time, which Clerk rejects as invalid_request
- .agents/plugins/marketplace.json: the repo is its own marketplace
(codex plugin marketplace add chainbase-labs/agentkey)
- release-please now bumps the Codex manifest version in lockstep
- AGENTS.md: accurate agent-facing repo guidance mirroring
.claude/CLAUDE.md
- Refresh plugin descriptions/keywords to the Product Hunt positioning
("one-stop live data marketplace") across both plugin manifests and
the Claude marketplace entry
- README/README_zh: document the Codex plugin install path
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Jul 17, 2026
🤖 I have created a release *beep* *boop* --- ## [1.12.0](v1.11.0...v1.12.0) (2026-07-17) ### Features * **plugin:** add Codex plugin support ([#73](#73)) ([7133166](7133166)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
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Summary
Ships this repo as a Codex plugin, alongside the existing Claude Code plugin and Skills-CLI paths.
.codex-plugin/plugin.json— Codex plugin manifest: bundlesskills/, pointsmcpServersat.codex-plugin/mcp.json, and carriesinterfacemetadata for the install UI (fields calibrated against the official Notion/Figma plugins inopenai/plugins)..codex-plugin/mcp.json— remote-HTTP MCP entry forhttps://api.agentkey.app/v1/mcp, authenticated via MCP OAuth (RFC 9728 discovery). Codex plugins have nouserConfig/header-interpolation mechanism, so the Claude-style${user_config.AGENTKEY_API_KEY}injection can't be reused..agents/plugins/marketplace.json— the repo is its own Codex marketplace:codex plugin marketplace add chainbase-labs/agentkey, then install AgentKey from/plugins.release-please-config.json— bumps the Codex manifest version in lockstep with the Claude one.AGENTS.md— accurate agent-facing repo guidance mirroring.claude/CLAUDE.md(replaces a stale draft that predated@agentkey/cli).Why no
oauth_resourceThe first local test failed at the Clerk authorize endpoint with
invalid_request: The request includes the parameter 'resource' more than once. Root cause: the rmcp SDK already appendsresource=<server url>to the authorization request automatically (RFC 8707), and Codex appends a configuredoauth_resourceas a secondresourceparam without deduplication (codex-rs/rmcp-client/src/perform_oauth_login.rs). Clerk enforces RFC 6749's no-repeated-params rule. Since our server fully advertises RFC 9728 resource metadata,type+urlalone is sufficient — discovery does the rest. Guardrails documented in.claude/CLAUDE.md/AGENTS.mdchecklists.Test plan
codex plugin marketplace add <local path>+ install succeeds (Codex desktop)oauth_resourceremoval (re-test pending)🤖 Generated with Claude Code