namba-ai: Skill for Codex

.agents/skills/namba/SKILL.md

namba is a skill for Codex from Nam-Cheol/namba-ai. It costs 18 tokens per session (1,869 once invoked), scanned A, original, MIT.

A repository workflow for coordinating Namba commands and SPEC files. Namba is the project's system for planning, reviewing, running, and releasing changes.

In plain words
What is it for?
Use it for Namba help, project setup, planning, harness work, fixes, runs, queues, synchronization, pull requests, releases, and related reviews.
Why use it?
It keeps each task's scope, evidence, safety rules, and pass or fail result explicit instead of relying on undocumented decisions.

Skill for Codex

Written for Codex: runs codex exec. Also seen: mentions subagents; installed under .agents/ (shared by several agents); mentions Codex.

This is Nam-Cheol/namba-ai's own configuration. It tells Codex how to work on namba-ai itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything namba-ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Nam-Cheol/namba-ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Nam-Cheol/namba-ai/main/.agents/skills/namba/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Nam-Cheol/namba-ai

Made for: Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for namba

README.md
[![agentmods](https://agentmods.dev/badge/skills/nam-cheol/namba-ai/namba/github.svg)](https://agentmods.dev/skills/nam-cheol/namba-ai/namba)
Your own site
<a href="https://agentmods.dev/skills/nam-cheol/namba-ai/namba"><img src="https://agentmods.dev/badge/skills/nam-cheol/namba-ai/namba/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for namba

Your own site · 80×15
<a href="https://agentmods.dev/skills/nam-cheol/namba-ai/namba"><img src="https://agentmods.dev/badge/skills/nam-cheol/namba-ai/namba.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,869 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00018 $0.01869
Opus 5 $0.00009 $0.00934
Sonnet 5 $0.00004 $0.00374
Haiku 4.5 $0.00002 $0.00187

Measured 10d ago against content hash 883532ea94f5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

namba scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/namba/SKILL.md · 54 lines

How it starts

The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Use this skill whenever the user mentions namba, namba help, namba project, namba regen, namba update, namba codex access, namba plan, namba harness, namba fix, namba run, namba queue, namba sync, namba pr, namba land, namba release, $namba-help, $namba-coach, $namba-create, $namba-queue, $namba-plan-review, $namba-review-resolve, $namba-release, or asks to use the Namba workflow.

Generated instruction contract for this repo skill:

  • Purpose: keep the role or command scope explicit, bounded, and testable.
  • Boundary: honor read-only versus mutating state effects, configured sandbox mode, and assigned file or workflow ownership.
  • Required output: report concrete actions, changed paths or artifacts, validation evidence, and pass/fail status or blockers.
  • Pass/fail criteria: claim success only when acceptance criteria and configured validation are satisfied; otherwise name the exact blocker and impact.
  • Evidence expectations: cite source artifacts such as SPEC files, .namba/ configs, diffs, test output, PR/check links, or generated manifests instead of relying on unsupported assertions.
  • Security responsibilities: never expose or commit secrets; treat auth, privacy, destructive commands, permission changes, and external network or credential use as security-sensitive.
  • Destructive command and escalation policy: do not run destructive commands unless explicitly requested; request approval for privileged, networked, or sandbox-blocked actions only when the active approval mode allows it, and otherwise report the blocker or use a safe non-escalating path.
  • Fallback implementer boundary: if a specialist path is unavailable and the main/default implementer takes over, stay within the assigned scope and preserve the same evidence and validation duties.
  • Portability: keep durable guidance non-project-specific unless the current repository config or SPEC explicitly provides the project detail.

Command mapping:

  • $namba-help: explain how to use NambaAI in this repository, which command or skill to use next, and where the authoritative docs live, without mutating repository state.
  • $namba-coach: restate the user's current goal, ask only essential routing questions when needed, correct clearly wrong command choices, and hand off to exactly one primary Namba workflow invocation without mutating repository state.
  • $namba-create: run the skill-first creation workflow for repo-local skills, project-scoped custom agents, or both. Keep the user-facing surface inside Codex and do not add a public namba create CLI command in this slice.
  • namba project: refresh repository docs and codemaps.
  • namba codex access: inspect or update Namba runner codex exec access defaults with explicit approval_policy / sandbox_mode flags; repo .codex/config.toml does not persist interactive approval or sandbox choices.
  • namba regen: regenerate AGENTS, repo-local skills, command-entry skills, Codex custom agents, readable role cards, and repo-local Codex config from .namba/config/sections/*.yaml.
  • namba update [--version vX.Y.Z]: self-update the installed namba binary from GitHub Release assets only after explicit user approval.
  • namba plan "<description>": create the next feature SPEC package under .namba/specs/, and when branch-per-work is enabled create or switch to the dedicated spec/... branch in the current workspace; unless --no-review is present, continue immediately with $namba-plan-review SPEC-XXX after creation.
  • $namba-plan-review: create or resolve a SPEC, run the three plan-review tracks in parallel when possible, and drive the advisory readiness loop before implementation starts.
  • namba harness "<description>": create the next harness-oriented SPEC package under .namba/specs/ through the same dedicated-branch planning contract for reusable agent, skill, workflow, or orchestration work.
  • $namba-plan-pm-review / $namba-plan-eng-review / $namba-plan-design-review: update product, engineering, or design review artifacts under .namba/specs/<SPEC>/reviews/ and refresh advisory readiness.
  • namba fix --command plan "<issue description>": create the next bugfix SPEC package under .namba/specs/ through the same dedicated-branch planning contract.
  • namba fix "<issue description>" or namba fix --command run "<issue description>": perform direct repair in the current workspace without creating a SPEC package.
  • $namba-review-resolve: resolve the target PR from the current branch when possible, inspect unresolved review threads with thread-aware GitHub state, record thread identity and outcome, validate before replying or resolving, include CI/check evidence when relevant, and avoid duplicating the configured review marker.
  • $namba-release: draft release notes from commits since the previous semver tag, write the notes to a durable per-version artifact, then hand off to the guarded namba release --version <version> --push path with a GitHub Release body that uses the generated notes.
  • namba run SPEC-XXX: execute the SPEC in the current Codex session. Read spec.md, plan.md, and acceptance.md, implement directly, validate, and sync artifacts.
  • namba run SPEC-XXX --solo|--team|--parallel: use the standalone CLI runner when you need explicit single-subagent, multi-subagent, or worktree-parallel execution semantics.
  • namba queue start <SPEC-RANGE|SPEC-LIST>: process already-existing SPEC packages one at a time through review, run, PR, checks, optional land, and local main refresh. Use status, resume, pause, and stop to operate the durable queue.
  • namba sync: refresh change summary, PR checklist, codemaps, advisory review readiness, and PR-ready docs after implementation.
  • namba pr "<title>": run sync plus validation by default, inspect PR checks, summarize bounded GitHub Actions failure snippets when checks fail, commit and push the current branch, and create or reuse a PR without requesting Codex review.
  • namba pr --review "<title>": perform the same PR handoff and explicitly request Codex review with the configured marker exactly once.
  • namba land: resolve the current branch PR, optionally wait for checks, merge when the PR is clean, and update local main safely.
  • namba doctor: verify that AGENTS, repo skills, .namba config, Codex CLI, and the global namba command are available.

Read the full file on GitHub · 54 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 54 lines · 18 tokens per session scan A 883532ea94f5

Subscribe to this mod's changes

namba is a skill published in the GitHub repository Nam-Cheol/namba-ai (11 stars, last pushed 17d ago), licensed MIT. It adds 18 tokens to every session and 1,869 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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