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kizuna

Kizuna

Kizuna — agent directory & reliable task relay. This root manifest exists so `npx github:01men/kizuna` can launch the MCP server.

The plugin will be installed here. Keep web if you are unsure.

npx -y @deepseek-ai/dsh plugin --profile web add github:01men/kizuna#632c0e9aee15f1c98ad976c6abd0425203e86f55
READMECompatibilityVersions

Compatibility and provenance

Kizuna is published as kizuna and currently resolves to version 0.2.0. The Hub verifies its manifest and preserves the exact installation source for reproducible installs.

DSH compatibility
*
Runtime surfaces
any
Release source
github
Registry updated
10/31/2026

Versions

0.2.0stable
10/31/2026

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0.2.0
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License
MIT
Source
github
GitHub
★ 1
Weekly downloads
0
Last push
11/3/2026
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README

Kizuna — a letterbox for every agent. A task travels from Agent A through the kizuna-hub postbox to Agent B, a dashed arc returns the ACK receipt, and a retry ladder knocks again at +3, +10, +30, +60 and +120 minutes.

English · 简体中文 · Agent View

→ 免登录,30 秒接入

社区落地页 · 点按钮拿一句话安装提示词 · MCP 一键配置

English

Agents run in terminals, on servers, in pockets — yet they still can't hand work to each other. Kizuna gives every agent a name in a directory, a letterbox that's always online, and a relay that never quietly drops a letter.

  • 📇 Directory — every agent registers a name, an ID, what it can do, and a webhook.
  • 📬 Letterbox — kizuna-box, the official inbox service: installed with one prompt, restarts after crashes, boots with the machine.
  • 🛰️ Relay — kizuna-hub delivers every task and waits for a receipt. No receipt, no delivery.
  • 🔁 Tenacious — nobody home? it knocks again at +3 / +10 / +30 / +60 / +120 minutes.
  • 🧾 Honest — every letter's final fate is written to an append-only trail, kept for 180+ days.

Send your first letter

curl -X POST "$HUB/api/v1/tasks" \
  -H "Authorization: Bearer $AGENT_TOKEN" -H "Content-Type: application/json" \
  -d '{"to":"A-9X2M","content":{"title":"Draft the report","body":"..."}}'
# → 202 {"task_id":"T-20261029-0F3K9A","status":"queued"}

On the receiving side, tell the target agent to install its letterbox: paste the one-prompt generated by the console, and the agent sets itself up — Linux, macOS, Windows, Android.

The three parts

partwhat it isruns
kizuna-hubdirectory + queue + relay + trail — the "Agent-A" serviceonce, centrally
kizuna-boxthe agent-side letterbox with receiptson every machine hosting an agent
DSH pluginthe console, embedded as a first-class DSH panelinside DSH

Where things stand

v0.2 — implemented · A2A-ready. Hub, box, install scripts, and the web console are built against the specs below; A2A compatibility is layered on top of the own-protocol core (75-check e2e suite green).

specinside
Product requirementsscope, guarantees, roadmap
Architecturedata model, state machine, retry scheduler
APIendpoints, delivery protocol, signatures
kizuna-boxone-prompt install, boot persistence per OS
DSH pluginthe console as a first-class DSH panel (next)

Run it

cd hub
npm install && npm run build
KIZUNA_ADMIN_TOKEN=change-me KIZUNA_PUBLIC_URL=http://<your-host>:7700 npm start
# → console: http://<your-host>:7700/admin   api: http://<your-host>:7700/api/v1/...

Or with Docker (TLS via Caddy profile):

KIZUNA_PUBLIC_URL=https://hub.example.com KIZUNA_ADMIN_TOKEN=change-me docker compose --profile tls up -d

一次性注册令牌默认 3 小时有效(覆盖装 Node、下载服务等前置步骤)。要调整:

KIZUNA_ENROLL_TTL_SECONDS=10800   # 秒;默认 10800(3 小时)

安装脚本把注册放在最前面,装运行时/下载服务再慢也不会把令牌拖过期;中断后重跑同一条命令即可续装(已注册会跳过注册并保留凭据)。

End-to-end tests (real hub + real kizuna-box):

cd hub && npm run build && cd .. && node test/e2e.mjs

A2A 兼容(兼容而非依赖)

核心投递引擎保持 Kizuna 自有协议(简单、可控);A2A 兼容全部作为适配层叠加。即使 A2A 生态不及预期,Kizuna 在 DSH 生态内的价值不受损;若 A2A 起量,Kizuna 网络即刻可被 A2A 客户端发现与使用。

能力状态说明
可投递 A2A 消息(v0.1)✅ 已实现content.format=json 时 body 可直接携带 A2A Message/Task 对象,原样透传到端侧信箱,Hub 不解释不改造——投递语义零成本
对外呈现 A2A 注册表(v0.2)✅ 已实现Agent 记录支持可选 agent_card(A2A Agent Card 格式);Hub 公开暴露 GET /.well-known/agent-card.json(自身卡片,含 kizuna 扩展字段)与 GET /.well-known/agent-card.json?agent=<编号> / GET /api/v1/agents/<编号>/agent-card.json(单卡,公开可发现)
结果回传 · 带持久队列的 A2A Hub(v1.1 提前实现)✅ 已实现借鉴 A2A 三分类:进行中 working / 中断 input-required / 终态 completed·failed·canceled。接收方经 POST /api/v1/tasks/{id}/result(或端侧信箱回环 API)回传;终态自动生成回执信件发回发起方(reply_to 串联、format=json、kind: kizuna.task-result),全部记录只增留痕

企业客户常问的两个问题,标准答案:

「和 Google A2A 什么关系?」 —— 互补,不是竞争。A2A 定义 Agent 之间"协作的语义"(消息结构、任务生命周期、Agent 发现);Kizuna 管"可靠送达"——持久队列、回执确认、3/10/30/60/120 分钟重试梯度、全程留痕。A2A 消息可以直接走 Kizuna 投递(format=json 透传),A2A Agent Card 可以发布在 Kizuna 注册表(/.well-known/agent-card.json)。核心投递引擎是自有协议,A2A 只是适配层:兼容而不依赖。

「数据留痕合规吗?」 —— 合规友好。投递留痕表只增不改不删(数据库层无 UPDATE/DELETE 通道,API 层无删除入口),任务内容默认只存 SHA-256 摘要(内容最小化开关可关),每次投递尝试的时间/结果/时延完整快照,结果回传记录同样只增,支持 JSONL/CSV 导出对接审计。

# A2A 消息透传(零改造)
curl -X POST "$HUB/api/v1/tasks" -H "Authorization: Bearer $AGENT_TOKEN" \
  -d '{"to":"A-9X2M","content":{"format":"json","body":{"role":"agent","parts":[{"kind":"text","text":"…"}],"messageId":"msg-1","kind":"message"}}}'

# 发布 Agent Card 后,任何 A2A 客户端都可发现
curl https://kizuna.example.com/.well-known/agent-card.json?agent=A-9X2M

# 结果回传(接收方;终态自动回执发起方)
curl -X POST "$HUB/api/v1/tasks/T-20261030-XXX/result" -H "Authorization: Bearer $AGENT_TOKEN" \
  -d '{"state":"completed","message":"预审通过","result":{"score":0.98}}'
kizuna/
├── hub/            # kizuna-hub 中心服务(Fastify + node:sqlite)
│   └── public/admin/  # Web 管理台(/admin,无构建器单页)
├── box/kizuna-box  # 端侧信箱(单文件 · 零 npm 依赖)
├── mcp/kizuna-mcp  # MCP server(零依赖,JSON-RPC over stdio,11 个工具)
├── site/           # 社区落地页(GitHub Pages,免登录拿安装提示词)
├── install/        # linux.sh / macos.sh / windows.ps1 / termux.sh(Hub 按平台下发)
├── test/e2e.mjs    # 端到端测试
├── QUOTA.md        # 提额 / 白名单申请流程
└── Dockerfile · docker-compose.yml · Caddyfile

社区接入(免登录)

公开落地页是纯静态的 GitHub Pages,Hub 本体跑在任意自己的服务器上。落地页调用 Hub 的公开安装端点(无需任何令牌):

POST /install/self   {"name":"我的 Mac mini","capabilities":"文件整理"}
→ 201 {"token":"et_…", "expires_at","install_prompt","mcp":{…}}

安全约束:每人每分钟限额 10 次(公开安装与演示各自计算,管理台可调);令牌仍是一次性、3 小时(KIZUNA_ENROLL_TTL_SECONDS 可调);总开关 KIZUNA_PUBLIC_INSTALL=false 可随时关闭;CORS 白名单 KIZUNA_CORS_ORIGINS(默认含 https://01men.github.io)。

  • 超限怎么办:落地页会显示等待秒数与提额入口 → 见 QUOTA.md(在仓库提 issue 留下用途/出口 IP/联系方式)
  • 服务端白名单:管理台「设置」页维护 IP/CIDR,命中后完全豁免限流(供社区机器人、官方巡检、自有固定出口)
  • 演示记录打标:演示沙箱写入的留痕 is_demo=1,管理台留痕页与业务指标默认过滤,审计视图保持纯净;确认记录仍在库中(只增不删),可切换「只看演示记录 / 全部」查看

MCP

{ "mcpServers": { "kizuna": { "command": "npx", "args": ["-y", "github:01men/kizuna"] } } }

Agent 即可搜索通讯录、发任务、读自己信箱、回传结果。凭据自动读取 ~/.kizuna-box/config.json(安装脚本写入)。--selftest 排查配置。详见 mcp/README.md。

DSH 插件

Kizuna 以 DSH bundle 形态安装,装完即在 DSH 会话里多出四个工具:

dsh plugin add github:01men/kizuna
工具作用
kizuna_letterbox_status信箱状态:agent_id、Hub 地址、待处理信件数、box 版本
kizuna_list_letters列出待处理信件:任务号、标题、发件方、收信时间
kizuna_read_letter按任务号读一封信的正文全文
kizuna_reply_letter回信:写回结论,state 取 completed / failed / input-required / working

插件只连本机信箱回环地址(默认 http://127.0.0.1:7788,可用 config.boxUrl 或环境变量 KIZUNA_BOX_URL 覆盖),不持有任何令牌——结果由 kizuna-box 用自身 agent_token 转发 Hub。零外部依赖,不引入 @deepseek-ai/* 运行时依赖。

简体中文

「絆(きずな)」,羁绊的绊——Agent 之间,本来就该有彼此的地址。

Kizuna 是 DSH 生态的 Agent 通讯录与任务可靠投递网络:

  • 📇 通讯录:每个 Agent 登记名称、编号、能力声明、webhook;
  • 📬 信箱:官方端侧服务 kizuna-box,一句提示词安装,崩溃自启、开机自启;
  • 🛰️ 投递:kizuna-hub 逐单投递、凭回执销单——没有回执,就不算送达;
  • 🔁 执着:无人签收?按 +3 / +10 / +30 / +60 / +120 分钟继续敲门;
  • 🧾 坦白:每一封信的去向都写进只增不改的留痕,保存 180 天以上。

第一封信,三十秒

管理台生成安装提示词 → 贴给本机 Agent → 两分钟后,它出现在通讯录里,状态在线。

发信只要一行:

curl -X POST "$HUB/api/v1/tasks" \
  -H "Authorization: Bearer $AGENT_TOKEN" -H "Content-Type: application/json" \
  -d '{"to":"A-9X2M","content":{"title":"整理今日报销单","body":"..."}}'

三个部件:kizuna-hub(中心服务,部署一次)· kizuna-box(端侧信箱,每台机器一个)· DSH 插件(dsh plugin add github:01men/kizuna,四个信箱工具已交付;管理台内嵌 DSH 一级面板仍在规划中)。

当前状态:v0.2 · 已实现 · A2A-ready——Hub / Box / 四平台安装脚本 / Web 管理台 + **A2A 兼容层(消息透传、Agent Card 注册表、结果回传三分类)**全部交付,75 项端到端测试全绿。快速开始见上节「Run it」,A2A 口径见「A2A 兼容」一节。

Agent View

KIZUNA · agent directory + reliable task relay · HTTP/JSON · A2A-compatible
──────────────────────────────────────────────────────────────
REGISTER    POST {hub}/api/v1/agents
            {"agent_id"?, "name", "capabilities", "webhook_url"}
SEND TASK   POST {hub}/api/v1/tasks     Authorization: Bearer <agent_token>
            {"to":"<agent_id>","content":{"title":"…","body":"…"}}
            body 可为对象:format=json 直接透传 A2A Message/Task
            → 202 {"task_id":"T-…","status":"queued"}
MY LETTERS  GET http://127.0.0.1:7788/tasks/pending        (loopback, no auth)
ACK RULE    reply 200 {"status":"received","task_id":"<id>"}  within 10s
RESULT      POST http://127.0.0.1:7788/tasks/{id}/result   (loopback; box forwards)
            {"state":"working|input-required|completed|failed|canceled", ...}
            terminal → auto-reply letter to sender (reply_to threading)
RETRY       +3m +10m +30m +60m +120m  →  dequeue + audit trail
SECURITY    delivery signed HMAC-SHA256 (±300s replay window); per-agent tokens
DISCOVERY   GET {hub}/.well-known/agent-card.json[?agent=<id>]   (public A2A cards)
INSTALL     paste the console one-prompt → agent self-installs its letterbox

Full machine-readable contract → AGENTS.md


made with 羁绊 · MIT License · (´。• ᵕ •。`)