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npm @hol-org/hashnet-mcpstdioupdated 4mo ago

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

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O que dá para fazer com hashnet?

Hashnet MCP JS

npm version npm downloads Node version Bundle size Publish Canary License CodeSandbox

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.readiness, hol.chat.createSession, hol.chat.sendMessage, hol.chat.retry, hol.chat.history, hol.chat.resume, 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