midnight-cast

Name: midnight-cast
Author: Kanasjnr

作者：Kanasjnr版本 0.2.2i★ –i在你的电脑上运行

注册名称io.github.Kanasjnr/midnight-cast

安装

概览

作者提供的说明（英文原文）

Read-only tools for live Midnight networks: health, transactions, DUST, errors and example code

PopNx MCP 的三大支柱

这三项永远不会合并成一个分数：意见、测量和人气是不同的东西。

用户评价i暂无评价评价功能将在后续阶段与账户功能一起开放
我们的基础检查i1 项中通过 1 项依据公开信息检查；尚未扫描代码
使用情况i非常新↓ 75/周 · ★ –

它能帮你做什么

我们还没有为它写通俗的介绍。下面是我们从注册中心读取到的事实。

连接方式: 在你的电脑上运行
传输方式: stdio
分类: 诊所与健康
你需要填写：BLOCKFROST_PREPROD_PROJECT_ID, BLOCKFROST_MAINNET_PROJECT_ID

安装

选择你使用的 AI 应用，然后复制设置。

安装之前

基础检查：1 项中通过 1 项
在你的电脑上运行，拥有你的用户账户的权限（文件、网络、应用）。
需要你自己填写： BLOCKFROST_PREPROD_PROJECT_ID, BLOCKFROST_MAINNET_PROJECT_ID, MIDNIGHT_CAST_NETWORKS

标为机密的值是你账户的钥匙。千万不要分享给别人，也不要粘贴到聊天里。

你需要

npm已安装 Node.js（用于 npx 命令）

你用的是哪个应用？

ClaudeClaude CodeCursorVS CodeChatGPT

在上方选择你的应用。我们会记住它，下次按钮会显示“安装到 …”。

打开 Claude Desktop → Settings → Developer → Edit Config，把下面的内容粘贴到 claude_desktop_config.json

{
  "mcpServers": {
    "midnight-cast": {
      "command": "npx",
      "args": [
        "-y",
        "midnight-cast",
        "mcp"
      ],
      "env": {
        "BLOCKFROST_PREPROD_PROJECT_ID": "your-value",
        "BLOCKFROST_MAINNET_PROJECT_ID": "your-value",
        "MIDNIGHT_CAST_NETWORKS": "your-value"
      }
    }
  }
}

在终端中运行这条命令

claude mcp add midnight-cast --env BLOCKFROST_PREPROD_PROJECT_ID=your-value --env BLOCKFROST_MAINNET_PROJECT_ID=your-value --env MIDNIGHT_CAST_NETWORKS=your-value -- npx -y midnight-cast mcp

运行前请先填写空着的值。

在 Cursor 中打开

或者自己复制设置

粘贴到项目中的 .cursor/mcp.json，或 ~/.cursor/mcp.json

{
  "mcpServers": {
    "midnight-cast": {
      "command": "npx",
      "args": [
        "-y",
        "midnight-cast",
        "mcp"
      ],
      "env": {
        "BLOCKFROST_PREPROD_PROJECT_ID": "your-value",
        "BLOCKFROST_MAINNET_PROJECT_ID": "your-value",
        "MIDNIGHT_CAST_NETWORKS": "your-value"
      }
    }
  }
}

浏览器会先询问是否打开应用，然后应用会显示设置并请你确认。密钥的值会留空，由你自己填写。

在 VS Code 中打开

或者自己复制设置

粘贴到项目中的 .vscode/mcp.json

{
  "servers": {
    "midnight-cast": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "midnight-cast",
        "mcp"
      ],
      "env": {
        "BLOCKFROST_PREPROD_PROJECT_ID": "your-value",
        "BLOCKFROST_MAINNET_PROJECT_ID": "your-value",
        "MIDNIGHT_CAST_NETWORKS": "your-value"
      }
    }
  }
}

浏览器会先询问是否打开应用，然后应用会显示设置并请你确认。密钥的值会留空，由你自己填写。

这个服务器在你的电脑上运行，而 ChatGPT 只能连接互联网上的服务器。请选择其他应用。

你的选择通过 Cookie 保存在这台设备上，无需账户。

需要你填写的值

BLOCKFROST_PREPROD_PROJECT_ID 机密 env
Blockfrost project ID for a Midnight Preprod project, needed only to query preprod. It is never shown to the model.
BLOCKFROST_MAINNET_PROJECT_ID 机密 env
Blockfrost project ID for a Midnight Mainnet project, needed only to query mainnet. It is never shown to the model.
MIDNIGHT_CAST_NETWORKS env
Comma-separated networks the model may query, such as preview,preprod. Default: every built-in network.

这些设置是根据作者在注册中心的条目生成的。如果 README 的写法不同，请以 README 为准。

它能做什么

它在你的电脑上运行；安装后，工具列表会显示在你的 AI 应用中。

基础检查i

我们检查的是任何人都能看到的信息；我们没有阅读代码。不适用的检查项不计入总数。 · 检查于 2026年11月8日

✓ 通过
作者与仓库一致
注册名称已通过 GitHub 账户 Kanasjnr 验证，该账户拥有此仓库
… 尚未检查
仍在维护
我们还没有从 GitHub 读取这个仓库
… 尚未检查
有许可证
我们还没有从 GitHub 读取这个仓库
– 不适用
端点有响应
它在你的电脑上运行，没有互联网端点
– 不适用
使用 OAuth 登录
在你的电脑上运行，改用本地设置
… 尚未检查
工具描述中没有隐藏指令
它在你的电脑上运行；我们只能读取互联网端点的工具列表

与“诊所与健康”中的其他服务器比较i

星标数多于此分类中其他 1027 个服务器的 0%
发布到注册中心的时间比此分类中其他 1027 个服务器的 99% 更新
基础检查结果等于或优于此分类中其他 1027 个服务器的 100%

与注册中心里这个分类中所有活跃的服务器比较。只有当发布者拥有该仓库时，星标数才计入。

常见问题

midnight-cast 安全吗？

它在 1 项适用的基础检查中通过了 1 项。我们没有阅读代码。在添加密钥或令牌之前，请先看看这个服务器要求哪些权限，并使用只具备所需权限的密钥。

它需要哪些密钥或代码？

你需要填写：BLOCKFROST_PREPROD_PROJECT_ID, BLOCKFROST_MAINNET_PROJECT_ID

它在我的电脑上运行还是在云端？

它在你的电脑上运行。你的 AI 应用会在需要时启动它，数据不会经过作者的服务器（除非它自己调用在线服务）。

它还在维护吗？

GitHub 仓库最后更新于–，最新版本（0.2.2）于今天进入注册中心。

哪些应用可以使用它？

支持 MCP 的应用，例如 Claude Desktop、Claude Code、Cursor 和 VS Code。你的电脑上还需要有 Node.js。

有什么可以替代它？

同一分类中有：Mirobody, FHIR MCP Server, Google Health MCP

替代选择

同一分类中其他作者的服务器，按星标数排序。

如何看卡片：↓ 每周下载量i★ GitHub 星标i三大支柱：评价 · 检查 · 使用情况i更新 = 最新版本发布到注册中心的时间i

Mirobody

Lab results to LOINC codes and UCUM units, symptoms and diagnoses to ICPC-3. Offline, no API key.

作者：thetahealth正在增长↓ 290/周★ 1408昨天更新

在你的电脑上运行✓ thetahealth.ai

安装

FHIR MCP Server

MCP server providing seamless access to FHIR APIs for AI tools and healthcare applications

作者：wso2正在增长↓ 823/周★ 13710天前更新

在你的电脑上运行

安装

Google Health MCP

Privacy-first unofficial Google Health API v4 MCP server for health, sleep, activity, HR agents

作者：davidmosiah正在增长↓ 1024/周★ 794个月前更新

在你的电脑上运行

安装

作者的 README

打开 README

按原文从作者的仓库复制。PopNx MCP 没有审查或背书其内容。HTML、图片和脚本已被移除。链接会离开本站。

midnight-cast

[!NOTE]

This project extends the Midnight Network with additional developer tooling.

Read-only CLI and MCP server for the Midnight networks: network health, error decoding, transactions, contracts, DUST, and working code from Midnight's official examples. Think Foundry `cast` for Midnight, not a wallet or app scaffold.

npx midnight-cast@latest health preview

or: npm i -g midnight-cast@latest && midnight-cast health preview

Preview needs nothing else. Preprod and mainnet go through Blockfrost and need a free project ID for each; see Quick start.

Note: midnight-cast also installs a short alias, mn, which runs the same commands. Other global CLIs (e.g. @mermaid-js/mermaid-cli, midnight-wallet-cli) install an mn too, so these docs, the hints and the JSON output always say midnight-cast.

midnight-cast health preview

Or step by step: midnight-cast ping preview && midnight-cast tip preview && midnight-cast versions preview

Requires Node.js 20+ (22+ recommended). Without Node.js, the release binaries install the same commands after checking the checksum:

curl -fsSL https://github.com/Kanasjnr/midnight-cast/releases/latest/download/install.sh | sh

On Windows, in PowerShell: irm https://github.com/Kanasjnr/midnight-cast/releases/latest/download/install.ps1 | iex. Where there's no curl, wget -qO- | sh works too. Alpine needs libstdc++ and libgcc first (apk add libstdc++ libgcc). MIDNIGHT_CAST_VERSION=0.2.0 pins a release and MIDNIGHT_CAST_INSTALL_DIR picks the directory (default ~/.local/bin). Each archive carries build provenance: gh attestation verify --repo Kanasjnr/midnight-cast.

Key capabilities

Read RPC, indexer, and proof-server health, and whether Midnight's own examples pass on the node a network runs
Compare live stack signals and a project's Midnight packages with the support matrix
Decode ledger, pallet, Substrate 1010, and JSON-RPC errors, and messages from current tooling and Blockfrost
Check a network, proof server and wallet are ready before the first transaction (preflight)
Inspect transactions, deployed contracts, DUST generation and DUST event streams
Find working code in Midnight's official examples for a topic in your own words (examples)
Serve all of it to AI agents as a read-only MCP server, with guidance for Claude Code, Codex, Gemini CLI, Cursor and others
Query block headers and raw JSON-RPC without writing scripts
Run without Node.js from a standalone binary

What it does

Area	Commands
Health	`health`, `ping`, `tip`, `versions`, `preflight`
Chain	`block latest`, `block` , `rpc`
Errors	`decode` (ledger, pallet, 1010, jsonrpc, `--raw`)
Indexer	`tx`, `contract`, `dust-status`, `dust-event`, `dust-events`
Working code and background	`examples`, `explain` (`dust`, `1010`, `versions`, `transcript`, `sync`)
Agents	`mcp`, `agents init`
Config	`config init`, `config show`

No wallet keys. No signing or proving.

Common workflows

Is the network healthy?

midnight-cast health preprod

Example output:

Network: preprod

Healthy: yes

Services: rpc: OK (668ms) indexer: OK (1215ms) proof-server: OK (1053ms) (optional) — version=8.1.0 (matches matrix 8.1.0)

Sync: RPC height: 2805470 Indexer height: 2805468 Delta: 2 (threshold 100) In sync: yes

Why did my tx fail?

midnight-cast tx <hash> --network preprod

midnight-cast decode --raw " "

Example output:

Type:     RegularTransaction

ID: 232830 Hash: e5c86fcd43eb9707e8f23d940e59a6c12ca7ad3ca7e9d2f1232843cc62de1b8c Block: 909000 (428660a6154a27cee57af3527cb3370ad3bbce94f461f433533b1413e24b71f4) Protocol: 22000 Status: PARTIAL_SUCCESS Fees: paid=1 Segments: 0:ok, 20003:ok, 35012:fail Failure: indexer v4 exposes segment success only (no failure reason) Hint: paste wallet/node error → midnight-cast decode --raw " " Actions: ContractCall DUST: 665110:DustSpendProcessed → midnight-cast dust-event 665110

Is my local stack aligned with the network?

midnight-cast versions preprod

Example output:

Checks:

node: expected=>=1.0.400 live=1.0.400 → OK (recommended 1.0.400) runtimeSpec: expected=1000300 live=1000300 → OK (node runtime spec_version vs matrix) indexer-api: expected=v4 live=v4 → OK (from configured indexer URL path) protocolVersion: expected=1000300 live=1000300 → OK (RPC specVersion vs indexer latest block) proof-server: expected=8.1.0 live=8.1.0 → OK (GET /version on configured proof server URL)

Summary: live stack matches matrix checks ✓

Quick start

npm i -g midnight-cast          # or: npx midnight-cast …

midnight-cast config init # ~/.config/midnight-cast/config.toml midnight-cast health preview midnight-cast decode 170 midnight-cast examples "dust sponsorship"

Networks: preview, preprod, mainnet, local — use --network or MN_NETWORK.

Preprod and mainnet go through Blockfrost, since Midnight retired its hosted preprod and mainnet endpoints (mainnet on 30 September 2026, preprod on 9 October). Blockfrost project IDs are per network: create a free Midnight Preprod project, a Midnight Mainnet one, or both, on blockfrost.io, then:

export BLOCKFROST_PREPROD_PROJECT_ID=<your Midnight Preprod project ID>

export BLOCKFROST_MAINNET_PROJECT_ID=nightmainnet... npx midnight-cast health preprod

Preview is still hosted by Midnight and needs no project ID. The project IDs are never printed. See docs/COMMANDS.md.

Debug ladder

When something breaks, run these in order:

midnight-cast health — ping + sync + versions in one shot (preflight --address before a first transaction)
midnight-cast ping — services up?
midnight-cast tip — indexer synced?
midnight-cast versions — stack matches support matrix?
midnight-cast decode — what does the error mean?
midnight-cast tx — what happened on chain?

Common one-liners

midnight-cast health preprod --json

midnight-cast ping preprod midnight-cast versions preprod midnight-cast decode --raw "1010: Invalid Transaction: Custom error: 186" midnight-cast decode 179 --network preview # ledger map stamped per network midnight-cast tx --network preprod # status, fees, segments; links dust-event ids midnight-cast block 909000 preprod # header at height (+ hash) midnight-cast dust-events --from 565900 --limit 10 --network preprod midnight-cast rpc chain_getHeader --json midnight-cast versions preprod --fail-on-mismatch # CI; local Midnight packages (either npm scope) vs matrix pins midnight-cast preflight preprod --address mn_addr_preprod1… # ready for a first transaction? midnight-cast contract preprod # latest action, circuit, deploy block, balances midnight-cast examples "send shielded tokens" # working code from Midnight's official examples midnight-cast explain sync # why a first wallet sync takes so long

Using with AI agents

An agent working on a Midnight project needs to know what the network is doing right now, what an error means, and what working code looks like. midnight-cast answers all three from live data and Midnight's own sources, in a form an agent can parse, and its MCP server can't change anything.

It sits next to two other sources an agent may already have. The Kapa answer engine answers questions from Midnight's documentation and examples. Midnight Expert gives agents skills and MCP tools for writing and verifying Compact and SDK code. midnight-cast is the part neither covers: the live state of preview, preprod and mainnet, the meaning of a specific error code on the ledger the network runs, whether a project's versions match the network, and which of Midnight's official examples shows a pattern.

The JSON contract

Add --json to any command for one stable envelope: ok, data, a structured error with a kind and hint, any warnings, and next, the follow-up commands an expert would run. midnight-cast explain --json describes every command, option, exit code and error kind in one call, and schemas/ has a JSON Schema for each command's output. Exit codes are 0 for success, 1 for a failed check and 2 for a usage error. See JSON output.

midnight-cast decode --raw "1010: Invalid Transaction: Custom error: 186" --json

midnight-cast explain --json

The MCP server

Agents that speak MCP can use midnight-cast directly: midnight-cast mcp runs an MCP server on stdio with 14 tools, health, preflight, ping, tip, versions, block, tx, dust_event, dust_events, contract, dust_status, decode, explain and examples, each returning the same envelope. For example, in Claude Code:

claude mcp add --transport stdio midnight-cast -- npx -y midnight-cast mcp

A sandbox or CI image without Node.js can run the same server from the standalone binary: midnight-cast mcp.

What an agent can and can't do with it

Every MCP tool only reads, and each is marked read-only to the client. None signs or submits a transaction, and none needs a wallet, a key or a seed. The CLI's rpc command, which passes any JSON-RPC method to a node, isn't an MCP tool.
MIDNIGHT_CAST_NETWORKS limits which networks the model may query, for example preview,preprod.
Tools that reach a network are rate limited, 30 calls a minute by default (MIDNIGHT_CAST_MAX_CALLS_PER_MINUTE), so a looping agent can't exhaust public endpoints or a Blockfrost plan.
The only secrets it holds are optional Blockfrost project IDs for preprod and mainnet. They're sent only to Blockfrost and redacted from every response, so the model never sees them.
decode, explain and examples work offline from data bundled with the release.

Guidance, skill and plugin

To teach a coding agent when and how to use midnight-cast, add the guidance to your project: midnight-cast agents init --write appends a marked section to AGENTS.md (read by Codex, Cursor, Copilot, Gemini CLI, Windsurf, Aider and others; use --file CLAUDE.md for Claude Code), or install the portable skill with npx skills add Kanasjnr/midnight-cast --skill midnight-cast. The snippets are in docs/agents.

In Claude Code, one plugin installs the skill, the MCP server and a /midnight-cast:diagnose [tx or error] command. When the plugin is enabled, Claude Code asks for optional Blockfrost project IDs for preprod and mainnet and keeps them in secure storage; left empty, an exported BLOCKFROST_PREPROD_PROJECT_ID or BLOCKFROST_MAINNET_PROJECT_ID is used. If you added the server with claude mcp add before, remove it with claude mcp remove midnight-cast so only the plugin's server runs:

claude plugin marketplace add Kanasjnr/midnight-cast

claude plugin install midnight-cast@midnight-cast

docs/MCP.md has the setup for Codex, Gemini CLI, Cursor, VS Code and others, the network allow-list, and how the Blockfrost project ID stays out of the model's sight.

Community & support

Need	Where
Midnight errors, network issues, dev questions	Midnight Discord
midnight-cast bug or something not working	GitHub Issues

| New command or feature idea | [GitHub Issues](https://github.com/Kanasjnr/midnight-c

只显示了开头部分；其余内容请在仓库中阅读

midnight-cast

概览

PopNx MCP 的三大支柱

它能帮你做什么

安装

安装之前

需要你填写的值

它能做什么

基础检查i

作者与仓库一致

仍在维护

有许可证

端点有响应

使用 OAuth 登录

工具描述中没有隐藏指令

与“诊所与健康”中的其他服务器比较i

常见问题

替代选择

Mirobody

FHIR MCP Server

Google Health MCP

作者的 README

midnight-cast

or: npm i -g midnight-cast@latest && midnight-cast health preview

Key capabilities

What it does

Common workflows

Is the network healthy?

Why did my tx fail?

Is my local stack aligned with the network?

Quick start

Debug ladder

Common one-liners

Using with AI agents

The JSON contract

The MCP server

What an agent can and can't do with it

Guidance, skill and plugin

Community & support