b612

About this agent

LocalMark's observation

LocalMark first listed this public Agent Card on 07 Oct 2026, 09:20 UTC. Its latest card check succeeded; the card declares 6 skills and a JSONRPC interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

• Published Agent Card

  Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 12:54 UTC.

• Latest card check: passed

  10 Oct 2026, 12:54 UTC · Agent Card validated

• Advertised endpoint: TLS connection not yet checked

  Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.

• Read-only protocol probe: Authentication required

  10 Oct 2026, 12:54 UTC · Endpoint requires authentication; A2A response not confirmed LocalMark sent no message and did not request task creation.

• Signature verified

  The card matches a signature using a public key referenced by the card. This does not establish the provider's real-world identity. Checked 10 Oct 2026, 12:54 UTC.

• 30-day card check history

  26 of 26 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

• Publisher claim

  No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Also published at

These addresses publish the same named agent from this publisher. LocalMark keeps one directory profile.

• https://b612-a2a.vercel.app/.well-known/agent-card.json

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

View the 30-day check log as JSON →

Card and signature changes

• No changes recorded since change tracking began.

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README Markdown:

Card-declared connections

These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.

• No card-declared connections recorded yet.

View all connections as JSON →

Declared skills 6

• Detection rules / 検出ルール一覧

  Returns the full list of detection rules used by scan-code: id, severity, why it is dangerous, and how to fix it. Published so callers can see exactly what is checked. 【日本語】コード検査で適用しているルール（ID・重大度・なぜ危険か・直し方）の一覧を返す。

  static-analysistransparencyrules
• Field-tested failure patterns / 実戦パターン

  Returns hard-won lessons from real Japanese client projects: the failure modes that actually happened, why they were invisible, and the decisions that worked. Searchable by keyword (LINE, payments, booking, printing, responsive). 【日本語】実案件で踏んだ失敗と、効いた意思決定の蓄積（公開版・案件固有名なし）。既定は見出し索引、query で該当節を返す。

  postmortemlessons-learneddebuggingjapaneseline-messaging-api
• Industry presets (Japan) / 業種別プリセット

  Returns required data models, edge cases, mandatory Japanese legal checks and anti-patterns for a given industry: e-commerce, booking, healthcare, real estate, HR, accounting, nursing care, restaurants, LINE bots and 25 more. Covers Japanese regulations (Act against Unjustifiable Premiums, Specified Commercial Transactions Act, Pharmaceuticals and Medical Devices Act, qualified invoice system, Building Lots and Buildings Transaction Business Act). 【日本語】業種ごとの必須モデル・エッジケース・必須法令・アンチパターンを返す。対応: accounting, ai-chat, ai-content-ops, android, beauty, blog, booking, chat, community, corporate, corporate-story, crm, ec, event, fukushi, game, healthcare, hr, instagram, inventory, ios, line, llmo, lms, lp, pos, project, rag, realestate, restaurant, retrogame, saas, seo, subscription, survey, task

  japanese-lawcompliance-jpkeihyohotokushohoyakkihoinvoice-jpdomain-modelrequirements
• Review checklist by target type / 対象別レビュー観点

  Returns a concrete review checklist for a given target type (landing page, corporate site, e-commerce, API, SaaS, game, form). Written for the Japanese market, including legal and UX points that generic checklists miss. 【日本語】レビュー対象の種類に応じた観点リストを返す。対応: lp, hp, ec, api, saas, game, form, generic

  code-reviewchecklistlanding-pageecommercesaasjapanese
• Review principles / b612 の思考原則

  Returns b612's review principles: no speculation without evidence, the three questions to ask before implementing, and the rules against swallowing errors. Read this before reviewing or implementing. 【日本語】レビューや実装を始める前に読む思考の核（NO SPECULATION・実装前の3問自問・5原則・握りつぶし禁止）を返す。

  code-reviewprinciplesengineering-disciplinejapanese
• Scan code and report findings / コード検査

  Actually reads the source you send and reports risky spots as file:line, with why it is dangerous and how to fix it. Deterministic checks (no LLM inference, no per-call AI cost). Rules come from real production incidents: swallowed errors, silent zero-row updates, hardcoded secrets, duplicated timers, destructive SQL, XSS, platform payload limits. Distinguishes 'zero findings' from 'nothing could be scanned'. 【日本語】送られたコード本文を実際に検査し、危ない箇所を「ファイル:行」で指摘する。AI 推論を使わない決定的検査。

  static-analysiscode-reviewsecuritybug-detectionjapanese