mcp by luno-cms MCP Server

LUNO — AI Backend Platform. Build, operate, and govern production backends with AI agents.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled mcp by luno-cms yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as @luno-cms/mcp on npm. Runs locally.

{
  "mcpServers": {
    "mcp-by-luno-cms": {
      "command": "npx",
      "args": [
        "-y",
        "@luno-cms/mcp"
      ]
    }
  }
}

Reviewed GitHub reports

10 GitHub reports passed Pod's relevance review. This can include external user reports, maintainer-confirmed bugs, and concrete feature gaps. It is evidence to inspect, not a count of distinct defects. Showing 7.

Most discussed

[P1] ask_admin_help 502 / truncated — 再現性と影響範囲を調べる

Parent: https://github.com/luno-cms/mcp/issues/45 Priority: 🟡〜🔴（再現性次第） Owner: MCP wrap + hosted LUNO help/LLM 経路

Symptom

ask_admin_help が 502。メッセージ例: AI response was truncated。

候補: response token limit / timeout / backend proxy / model limit / retry / streaming。

Why it matters

Admin Help は Agent のトラブルシュート手段。Help 自身が不安定なのは UX として痛い。

This issue

再現手順（何を聞いたか、何回、どの環境）を残す
複数回なら本調査。単発なら観測継続
MCP 側で 502 を Agent が読めるエラー（retryable / hint）にできているかも確認

複数回発生しているなら優先度を 🔴 に上げて実装する。

Read the thread · 2026-09-06 · closed · outside contributor · 2 comments

[P0] rename_master_record_slug の sort_order 副作用を仕様確認する

Parent: https://github.com/luno-cms/mcp/issues/45 Priority: 🔴 仕様確認必須。放置しない Owner repo: hosted luno-cms/luno

Symptom (AT)

一般  sort_order=10
↓ rename
↓
0

他レコードも 0, 1, 2 に再採番された。未変更レコードまで変わった。

Agent から見ると rename_master_record_slug なのに sort_order まで変わる。side effect が大きい。

Principle

Tool は名前から予想できない mutation を極力発生させない

Schema migration の安全性と同じ思想。

Resolve one of

仕様 → ドキュメントに「rename は sort_order を正規化する。他レコードも再採番する」と書く
バグ → rename は slug/value…

Read the thread · 2026-09-06 · closed · outside contributor · 2 comments

[P0] [Bug] JSONB constraints を正規化して読む（横展開）

Parent: https://github.com/luno-cms/mcp/issues/45 Priority: 🔴 横展開すべきバグ調査 Owner repo: hosted luno-cms/luno（MCP は wrap のみ）

Symptom (AT)

fetch_types: false
↓
JSONB → string
↓
asConstraintObject()
↓
parse されない
↓
enum が存在しないと誤判定

migrate_field_to_master_reference が、実在する constraints.enum を見逃した。

Ask

constraints を読んでいる箇所を LUNO 本体で全検索してレビュー。migration 専用ではなく:

JSONB constraints handling should be normalized

同じ前提（JSONB が string で来る）を持つ読取経路を潰す。

この Issue は公開 MCP…

Read the thread · 2026-09-06 · closed · outside contributor · 2 comments

[Epic] MCP / Agent Developer Experience & Reliability

実地 AT（migrate_field_to_master_reference / Claude Code）から見えた境界です。

問題は「Tool が足りない」だけではない。 Agent / MCP Tool / Docs / Backend API / Actual behavior の契約の一貫性が、成功率に直結している。

             Agent
               │
       ┌───────┴───────┐
       ↓               ↓
     MCP Tool        Docs
       │               │
       ↓               ↓
    Backend API     Expected behavior
       │
       ↓
    Actual behavior

個別 Issue を同じ重みで切らない。優先度は下表。

| # | Issue | Priority | Why |…

Read the thread · 2026-09-06 · closed · outside contributor · 1 comment

[P0] apply_form_blueprint: description / docs / 実能力を一致させる

Parent: https://github.com/luno-cms/mcp/issues/45 Priority: 🔴 Agent 成功率に直結（契約）

Problem

Agent は Tool description を見て動く。

書いてあること: 既存 Form Set にも kind=update で field 追加できる。

実地: 新規 Form Set 作成しか通らない（またはそう見える）。

正しい行動なのに失敗する → intelligence ではなく contract の問題。

Quality bar

Tool description
      ≡
Actual API capability
      ≡
Documentation

これをテストする（description に kind=update と書いてあるなら、既存 slug への field 追加 dryRun が kind=update になること。未対応なら description / README /…

Read the thread · 2026-09-06 · closed · outside contributor · 0 comments

Most recent

[UX] Align MCP setup environments with user-accessible LUNO environments

Problem

npx @luno-cms/mcp setup generates dev / stg / prod as equal, first-class environments, and docs / CLI / the /luno skill treat stg as the recommended default.

The MCP package is public OSS (@luno-cms/mcp on npm). The LUNO access model for a first-time general user is:

Environment	Who can use it	Default URL written by setup
`dev`	LUNO internal / local Admin API	`http://127.0.0.1:8787/admin`
`stg`	Not opened to general users…

Read the thread · 2026-09-02 · open · outside contributor · 0 comments

P1: MCP Tool Annotations Hardening (M8ven / Agent Governance)

Why

M8ven Trust Index (Code Verified, 74/100) reports 42/42 tools missing MCP tool annotations (readOnlyHint, destructiveHint, idempotentHint, openWorldHint). Code audit confirms 0/49 registered tools in src/server.ts currently set these hints.

This is not a score-chasing exercise. Annotations are part of LUNO's Agent Governance foundation: they help MCP clients and agents predict side effects before invoking tools in production backends (BUILD / OPERATE / GOVERN).…

Read the thread · 2026-08-25 · closed · outside contributor · 0 comments

See all 10 reports Pod holds for mcp by luno-cms.

Firsthand observations

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