Is Hashnet Mcp Js free?

Yes, Hashnet Mcp Js is free to use.

How do I install Hashnet Mcp Js?

Hashnet Mcp Js is a local plugin. Install it using npm package: @hol-org/hashnet-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Hashnet Mcp Js need?

Hashnet Mcp Js requires the following credentials or environment variables: REGISTRY_BROKER_API_KEY. You can find setup instructions on the server detail page.

What AI apps work with Hashnet Mcp Js?

Hashnet Mcp Js uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Hashnet Mcp Js MCP Server

by Hashgraph Online

Developer ToolsUse Caution4.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter

About

Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter

Security Report

4.5

Use Caution4.5High Risk

Valid MCP server (1 strong, 1 medium validity signals). 1 code issue detected. 9 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.

4 files analyzed · 11 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

database

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Your Registry Broker API key from https://hol.orgRequired

Environment variable: REGISTRY_BROKER_API_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-hashgraph-online-hashnet": {
      "env": {
        "REGISTRY_BROKER_API_KEY": "your-registry-broker-api-key-here"
      },
      "args": [
        "-y",
        "@hol-org/hashnet-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Hashnet MCP JS

Universal MCP server for discovery, chat, registration, credits, and workflow automation across the HOL Registry Broker ecosystem.

Ecosystem

Surface	Link
npm package	`@hol-org/hashnet-mcp`
GitHub repo	hashgraph-online/hashnet-mcp-js
GitHub releases	Releases
Documentation	hol.org/mcp
CodeSandbox	Open examples in browser

Quickstart

pnpm install
cp .env.example .env
pnpm dev:http

Common launch modes:

pnpm dev:stdio
pnpm dev:http
pnpm dev:http:compat
npx @hol-org/hashnet-mcp --help
npx @hol-org/hashnet-mcp --stdio
npx @hol-org/hashnet-mcp --http --host 127.0.0.1 --port 3333

When installed globally or linked locally, the binary is hashnet-mcp.

Supported Transports

Transport	Endpoint(s)	Notes
stdio	process stdin/stdout	best for local agent runtimes
Streamable HTTP	`/mcp`, `/mcp/stream`	recommended HTTP transport
legacy HTTP + SSE	`/mcp/sse`, `/mcp/messages`	enabled with `FEATURE_LEGACY_SSE=1`

Runtime utility endpoints:

/healthz
/readyz
/metrics

Tool Surface

Discovery: hol.stats, hol.capabilities, hol.search, hol.vectorSearch, hol.resolveUaid
Chat: hol.chat.createSession, hol.chat.sendMessage, hol.chat.history, hol.chat.end
Registration: hol.getRegistrationQuote, hol.registerAgent, hol.waitForRegistrationCompletion
Workflows: workflow.discovery, workflow.delegate, workflow.registration

Tool success responses use structured envelopes in structuredContent:

ok
data
meta

Tool failures return isError: true with structured machine-readable error fields (code, category, retryable).

Configuration

Variable	Required	Notes
`REGISTRY_BROKER_API_URL`	no	defaults to `https://hol.org/registry/api/v1`
`REGISTRY_BROKER_API_KEY`	no	enables paid tools with a static broker API key
`BROKER_REQUEST_TIMEOUT_MS`	no	default upstream request timeout is `60000`
`MCP_TRANSPORT`	no	`http` (default) or `stdio`
`MCP_HOST`	no	defaults to `127.0.0.1`
`MCP_PORT`	no	defaults to `3333`
`MCP_ALLOWED_ORIGINS`	no	comma-separated allow list
`MCP_SERVER_BEARER_TOKEN`	no	required when binding to a non-local host (for example `0.0.0.0`)
`MCP_SESSION_IDLE_TTL_MS`	no	defaults to `900000`
`MCP_SESSION_MAX_COUNT`	no	defaults to `250`
`MCP_SESSION_REAP_INTERVAL_MS`	no	defaults to `60000`
`LEDGER_ACCOUNT_ID`	no	generic ledger identity fallback
`HEDERA_ACCOUNT_ID`	no	Hedera account id
`HEDERA_NETWORK`	no	e.g. `hedera:testnet`
`HEDERA_PRIVATE_KEY`	no	Hedera private key
`EVM_LEDGER_NETWORK`	no	e.g. `eip155:1`
`ETH_PK`	no	EVM private key

Security Defaults

Binds to 127.0.0.1 by default.
Validates Origin for HTTP requests when present.
Enforces bearer-token auth when binding to non-local hosts.
Reaps idle HTTP sessions and enforces max active sessions.
Redacts sensitive values in logs.

Development

Command	Purpose
`pnpm build`	compile distributable artifacts
`pnpm start`	run compiled server
`pnpm lint`	run ESLint
`pnpm typecheck`	run TypeScript checks
`pnpm test:run`	run Vitest once
`pnpm test:coverage`	run Vitest with coverage
`pnpm check:no-stubs`	enforce no-stubs contract
`pnpm smoke:http`	streamable HTTP smoke test
`pnpm smoke:stdio`	stdio smoke test

Release Notes Automation

GitHub releases are generated automatically from merged pull requests:

release tags are created during publish (vX.Y.Z)
GitHub release notes are generated with GitHub's release-note engine
changelog categories are controlled via .github/release.yml
canonical docs links are appended to each release

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Hashnet Mcp Js MCP Server

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