Context7
Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.
Description from the maker (original English)
Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
Pick the AI app you use, then copy the settings.
REGISTRY_BROKER_API_KEYValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json
{
"mcpServers": {
"hashnet": {
"command": "npx",
"args": [
"-y",
"@hol-org/hashnet-mcp"
],
"env": {
"REGISTRY_BROKER_API_KEY": "your-value"
}
}
}
}Run this in your terminal
claude mcp add hashnet --env REGISTRY_BROKER_API_KEY=your-value -- npx -y @hol-org/hashnet-mcpFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"hashnet": {
"command": "npx",
"args": [
"-y",
"@hol-org/hashnet-mcp"
],
"env": {
"REGISTRY_BROKER_API_KEY": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"hashnet": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@hol-org/hashnet-mcp"
],
"env": {
"REGISTRY_BROKER_API_KEY": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Runs on your computer; the tool list appears in your AI app after you install it.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry name was verified with the GitHub account hashgraph-online, which owns the repo
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
This one runs on your computer; there is no internet endpoint
Runs on your computer and uses local settings instead
Runs on your computer; we can only read tool lists from internet endpoints
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
You need to fill in: REGISTRY_BROKER_API_KEY
It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).
The GitHub repo last changed –, and the latest version (1.0.24) reached the registry 9 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.
In the same category: Context7, Codebase Memory, Exa
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.
Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
Connect AI agents to Exa for web search, content fetching, and multi-step research.
Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Universal MCP server for discovery, chat, registration, credits, and workflow automation across the HOL Registry Broker 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 |
pnpm install
cp .env.example .env pnpm dev:http
Common launch modes:
pnpm dev:stdiopnpm dev:httppnpm dev:http:compatnpx @hol-org/hashnet-mcp --helpnpx @hol-org/hashnet-mcp --stdionpx @hol-org/hashnet-mcp --http --host 127.0.0.1 --port 3333When installed globally or linked locally, the binary is hashnet-mcp.
| 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/metricshol.stats, hol.capabilities, hol.search, hol.vectorSearch, hol.resolveUaidhol.chat.readiness, hol.chat.createSession, hol.chat.sendMessage, hol.chat.retry, hol.chat.history, hol.chat.resume, hol.chat.endhol.getRegistrationQuote, hol.registerAgent, hol.waitForRegistrationCompletionworkflow.discovery, workflow.delegate, workflow.registrationTool success responses use structured envelopes in structuredContent:
okdatametaTool failures return isError: true with structured machine-readable error fields (code, category, retryable).
| 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 |
127.0.0.1 by default.Origin for HTTP requests when present.| 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 |
GitHub releases are generated automatically from merged pull requests:
vX.Y.Z).github/release.yml