nxusKit Celerat

nxusKit Celerat is a Codex Plugin for accelerating nxusKit SDK integrations across LLMs, symbolic reasoning, hybrid AI workflows, CLI/Bash prototypes, and public-safe local intelligence patterns in Rust, Go, Python, and Bash.

v0.9.4 — current release

nxusKit SDK docs and packages are now v1.0.0 GA/latest. This currently published Celerat plugin remains v0.9.4-based until the next plugin refresh ships.

v0.9.4 includes:

A local read-only Model Context Protocol (MCP) server under mcp/ (Python stdio; requires Python 3.11+) that lets Codex discover canonical nxusKit examples and CLI/Bash recipes from a bundled offline metadata snapshot — no cloud microservice, no live cross-repo querying.
CLI/Bash recipes with declared input/output JSON schemas and smallest-safe smoke commands.
Public-safe local intelligence patterns for Codex-supervised nxusKit pipelines that process sensitive files locally and return only schema-level findings to Codex.
A PHI boundary — schema-level outputs only for phi-sensitive recipes, with explicit correlation_handle passthrough; remote-MCP and cloud-model PHI requests are refused with clear disclosures.

Persona-specific recipes and fixtures are not part of the public plugin.

If the MCP fails to start, Codex falls back to the bundled reference index with a visible “MCP unavailable” message.

Scope

This plugin ships:

one Codex Plugin manifest at .codex-plugin/plugin.json (now declares an mcpServers block)
one primary skill at skills/nxuskit/SKILL.md (MCP awareness, PHI boundary, and public-safe local intelligence guidance)
curated reference docs under skills/nxuskit/references/
the MCP server package under mcp/
plugin assets under assets/

Codex Plugins vs. nxusKit Runtime Plugins

These are distinct product surfaces:

Codex Plugins package skills, references, MCP servers, and install metadata for OpenAI Codex.
nxusKit runtime plugins are signed shared-library SDK extensions loaded by nxusKit itself.

This plugin helps developers and knowledge-work analysts use nxusKit through Codex. It is not a nxusKit runtime plugin.

Install

Install the pinned public release:

codex plugin marketplace add nxus-SYSTEMS/nxus-codex-plugins --ref v0.9.4-20260522

Then install nxusKit Celerat from the Codex plugin directory.

The MCP server requires Python 3.11+ on PATH. After install, the first launch may prompt to install the MCP package; alternately, install ahead of time:

cd <plugin-install-dir>/mcp
python3 -m pip install -e .
python -m nxuskit_celerat.mcp --self-check  # expect "ok"

Verify

Ask Codex:

Find me the smallest nxusKit streaming-chat example with retry and provider fallback.

The skill should:

inspect your project before editing
consult the local MCP first (if available) for canonical examples
fall back gracefully to the bundled reference index if the MCP is unavailable
choose a Community Edition example when it satisfies the request
read credentials from environment variables or credential stores, never from chat
recommend a verification step that fits your project
disclose nxusKit Pro requirements before generating Pro-dependent code

Logs

The MCP writes structured logs to ~/.nxuskit-celerat/logs/. Nothing is written outside that directory.

Remove

codex plugin marketplace remove nxus-codex-plugins

Plugin install and uninstall are handled from the Codex plugin directory in current Codex builds. The CLI command above removes the marketplace source if you added it directly.

License

MIT OR Apache-2.0.