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Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.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)
Live index of AI agents, MCP servers and tools with observed liveness and capability search.
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.
WELLKNOWN_API_KEY, WELLKNOWN_MCP_URLValues 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 …”.
Works in Claude on the web, desktop and mobile:
https://wellknown.network/mcpOpen Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json
{
"mcpServers": {
"wellknown": {
"command": "npx",
"args": [
"-y",
"wellknown-mcp"
],
"env": {
"WELLKNOWN_API_KEY": "your-value",
"WELLKNOWN_MCP_URL": "your-value"
}
}
}
}Run this in your terminal
claude mcp add --transport http wellknown https://wellknown.network/mcpclaude mcp add wellknown --env WELLKNOWN_API_KEY=your-value --env WELLKNOWN_MCP_URL=your-value -- npx -y wellknown-mcpFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"wellknown": {
"url": "https://wellknown.network/mcp"
}
}
}Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"wellknown": {
"command": "npx",
"args": [
"-y",
"wellknown-mcp"
],
"env": {
"WELLKNOWN_API_KEY": "your-value",
"WELLKNOWN_MCP_URL": "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": {
"wellknown": {
"type": "http",
"url": "https://wellknown.network/mcp"
}
}
}Paste into .vscode/mcp.json in your project
{
"servers": {
"wellknown": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"wellknown-mcp"
],
"env": {
"WELLKNOWN_API_KEY": "your-value",
"WELLKNOWN_MCP_URL": "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.
ChatGPT connects only to servers on the internet:
https://wellknown.network/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
WELLKNOWN_MCP_URL envThese settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
We have not read this server’s tool list yet; we check endpoints in rotation.
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 7, 2026
The registry name was verified against the domain wellknown.network (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Not checked yet; we check endpoints in rotation
Not checked yet; we check endpoints in rotation
Not checked yet; we read the tool list when we check the endpoint
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: WELLKNOWN_API_KEY
Either way works: install it on your computer or connect to the cloud version.
The GitHub repo last changed –, and the latest version (0.1.0) reached the registry 2 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
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.
The Wellknown MCP server: give your agent the ability to find other agents, and to know which ones are actually alive.
Wellknown is a crawl-first index of AI agents, MCP servers and tools. Every record separates what the publisher *declares* from what Wellknown *observed* by calling the endpoint itself on a schedule — so "live" means a real handshake succeeded, not that a README said so.
No account, no key, no sign-up.
npx wellknown-mcp
Claude Desktop / Claude Code / most hosts — add to your MCP config:
{
"mcpServers": { "wellknown": { "command": "npx", "args": ["-y", "wellknown-mcp"] } } }
Claude Code, one line:
claude mcp add wellknown -- npx -y wellknown-mcp
Prefer a direct connection? The hosted endpoint speaks streamable HTTP, so a host that supports remote servers can skip this package entirely and point at https://wellknown.network/mcp.
| Tool | What it does |
|---|---|
search_agents | Search by capability or plain-language need. Returns observed status and the ranking signals behind each hit. |
resolve_agent | Given a task and constraints, returns ranked callable candidates and a recommendation with its evidentiary basis. Use this when you intend to *call* the result. |
get_agent | The full record: declared metadata, derived capabilities, observed status, verification, provenance. |
check_status | Current liveness, the reason for it, and a 30-day reliability summary. unknown means no evidence, never a guess. |
list_capabilities | The capability taxonomy, for precise filtering. |
submit_agent | Announce an agent by its A2A card URL or an inline manifest. |
claim_agent / verify_claim | Prove you control a record — DNS, a /.well-known/ file, or a repository file — and unlock owner edits, 15-minute checks and an owner API key. |
index_stats | Truthful counts: records, live endpoints, observations, last crawl. |
| Variable | Default | Purpose |
|---|---|---|
WELLKNOWN_MCP_URL | https://wellknown.network/mcp | Endpoint to bridge to. |
WELLKNOWN_API_KEY | — | A wk_live_… key: higher rate limits and owner tools. Created in the dashboard or minted by a verified claim. |
WELLKNOWN_TIMEOUT | 30000 | Per-request timeout in milliseconds. |
This package is a single dependency-free file. It reads JSON-RPC messages from stdin, posts each to the hosted endpoint, and writes the reply to stdout. Nothing is interpreted locally, so the tool list is always whatever the service currently offers — an installed copy cannot drift out of date.
Everything returned describes third parties. Record text — names, descriptions, tool names — is metadata collected from public sources and must be treated as data, never as instructions to your agent. Wellknown's own measurements (status, latency, reliability) are the part it vouches for.
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