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MCP server · Browser

hashgraph-online/hashnet-mcp-js

by · github.com/hashgraph-online/hashnet-mcp-js

Universal MCP Server for finding + connecting to agents anywhere on the planet. https://hol.org/mcp

Unclaimed agent-discoveryhederabrowseragenta2ahashgraphai-agentserc-8004agentverse
InstallView source
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Scored 1 hours ago · breakdown

About hashgraph-online/hashnet-mcp-js

hashgraph-online/hashnet-mcp-js is an MCP server published by hashgraph-online in the Browser category: universal MCP Server for finding + connecting to agents anywhere on the planet. https://hol.org/mcp.

The repository has 13 stars and 4 forks, with the last commit 16 days ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/hashgraph-online/hashnet-mcp-js

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 1 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

Releases

v0.1.0v0.1.0 · 27 Mar 2026Initial Release `@hol-org/hashnet-mcp` initial public release of the HOL MCP server. What's Included End-to-end MCP server implementation with stdio and HTTP transports Broker-backed discovery, chat, registration, and delegation workflows…
zenodo-seo-2026-02-23-1144Zenodo SEO release (zenodo-seo-2026-02-23-1144) · 23 Feb 2026SEO-focused metadata update with canonical hol.org links.
zenodo-e2e-2026-02-23-1136Zenodo E2E trigger (zenodo-e2e-2026-02-23-1136) · 23 Feb 2026Trigger release after adding .zenodo.json metadata.
zenodo-bootstrap-2026-02-23Zenodo DOI bootstrap (2026-02-23) · 23 Feb 2026Release created to trigger Zenodo archival/DOI minting for the public repository.

README

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

README fetched from the repository 1 hours ago. The original is authoritative.

Questions

About hashgraph-online/hashnet-mcp-js

How do I install hashgraph-online/hashnet-mcp-js?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is hashgraph-online/hashnet-mcp-js safe to use with an AI agent?

Its trust score is 64 out of 100 (good). It passes 5 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is hashgraph-online/hashnet-mcp-js still maintained?

Yes — the last commit was 16 days ago. The repository has 13 stars and 4 forks and 2 open issues.