the integrations

Codex

{"id":"codex","kind":"client","name":"Codex","title":"Nika for Codex · the same kit, the same marketplace","repo":"https://github.com/supernovae-st/nika-plugins","license":"MIT","what":"Codex installs the identical plugin kit from the identical repo: skills, subagents, commands, the MCP oracle.","how":"One marketplace, every client: the kit is authored once and served to Claude Code and Codex from the same source, so the delegation idiom never forks. The agent drafts the workflow, `nika check` audits it before anything runs, the trace verifies after.","install":[{"text":"Add the marketplace","code":"codex plugin marketplace add supernovae-st/nika-plugins"},{"text":"Install the kit","code":"codex plugin add nika@nika"},{"text":"Upgrade later","code":"codex plugin marketplace upgrade nika"}],"also":{"text":"Running Claude Code as well? Same marketplace, same two commands.","href":"/integrations/claude-code","label":"Nika for Claude Code"},"doors":[{"label":"the oracle, one room per tool","href":"/how/oracle/nika_check"},{"label":"the four verbs it writes","href":"/language/verbs"}],"kit":{"skills":["nika-authoring","nika-debugging","nika-operating","nika-migration"],"subagents":["nika-author","nika-debugger","nika-migrator"],"commands":["/nika:check","/nika:explain","/nika:new","/nika:trace","/nika:permits","/nika:doctor"],"mcpTools":["nika_check","nika_inspect","nika_explain","nika_schema","nika_examples","nika_template","nika_canon","nika_catalog","nika_tools"]}}

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Codex installs the identical plugin kit from the identical repo: skills, subagents, commands, the MCP oracle. Source, license and claims live in the repo. this room is its projection, never its replacement.

clientthe kindplug it into your tool
MITthe licenseread it in the repo
3install stepsthe ritual below
2of 14prev / next walk them

how it works

One marketplace, every client: the kit is authored once and served to Claude Code and Codex from the same source, so the delegation idiom never forks. The agent drafts the workflow, `nika check` audits it before anything runs, the trace verifies after.

get set up

1Add the marketplace codex plugin marketplace add supernovae-st/nika-plugins
2Install the kit codex plugin add nika@nika
3Upgrade later codex plugin marketplace upgrade nika

Out of sync · the binary moved and the kit stayed behind? nika doctor names the lagging kit and prints the exact per-client fix.

Running Claude Code as well? Same marketplace, same two commands. Nika for Claude Code →

what lands in the agent

4 skills · 3 subagents · 6 commands · 9 oracle tools

the skills · when to reach for nika

nika-authoring
nika-debugging
nika-operating
nika-migration

the subagents · author, debug, migrate

nika-author
nika-debugger
nika-migrator

the commands · one keystroke each

/nika:check
/nika:explain
/nika:new
/nika:trace
/nika:permits
/nika:doctor

the oracle tools · read-only, one room each

cross-references

the rooms it touches

where it lives

the source

Start local: install. The whole language lives in the map. Read the spec →