Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
ERC-20 price, liquidity, pools, holder hints, risk flags on 7 EVM chains. Paid 0.003 USDC via x402.
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.
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Works in Claude on the web, desktop and mobile:
https://token-snapshot.nextill-pos.workers.dev/mcpOpen Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json
{
"mcpServers": {
"token-snapshot": {
"command": "npx",
"args": [
"-y",
"devx-token-snapshot",
"mcp"
]
}
}
}Run this in your terminal
claude mcp add --transport http token-snapshot https://token-snapshot.nextill-pos.workers.dev/mcpclaude mcp add token-snapshot -- npx -y devx-token-snapshot mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"token-snapshot": {
"url": "https://token-snapshot.nextill-pos.workers.dev/mcp"
}
}
}Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"token-snapshot": {
"command": "npx",
"args": [
"-y",
"devx-token-snapshot",
"mcp"
]
}
}
}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": {
"token-snapshot": {
"type": "http",
"url": "https://token-snapshot.nextill-pos.workers.dev/mcp"
}
}
}Paste into .vscode/mcp.json in your project
{
"servers": {
"token-snapshot": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"devx-token-snapshot",
"mcp"
]
}
}
}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://token-snapshot.nextill-pos.workers.dev/mcpMenu names can differ slightly by plan and over time.
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.
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 6, 2026
The registry name was verified with the GitHub account devx-agent, which owns the repo
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.
The registry does not list a required key, though some servers ask you to sign in on first use.
Either way works: install it on your computer or connect to the cloud version.
The GitHub repo last changed –, and the latest version (2.1.0) reached the registry 6 days 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: Spec Driven Development, Remote Desktop Commander, Safe Fetch
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
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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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.
One call: what is this token, what is it worth, and is it risky? For any ERC-20 on Base, Ethereum, Arbitrum, Optimism, Polygon, Avalanche and BNB Chain you get the USD price, FDV, DEX liquidity, top pools, holder-concentration hints and bytecode risk flags. It is built for AI agents and apps that need a quick token check without an API key or their own indexer.
Everything comes from on-chain reads (DEX factory lookups, pool state, contract bytecode and storage) through public RPCs. No third-party market API. It is read-only, never asks for keys and never moves funds.
| What | Cost | |
|---|---|---|
CLI / stdio MCP devx-token-snapshot (v2) | Client for the hosted API below. Token basics are free; full / token_snapshot is the paid call, paid from your own wallet key | free / 0.003 USDC |
Remote MCP https://token-snapshot.nextill-pos.workers.dev/mcp | token_basics (free) + token_snapshot_info | free |
HTTP API GET /v1/snapshot | Full snapshot from the hosted endpoint: fallback RPCs, Multicall3, 20 s cache | 0.003 USDC via x402 on Base |
Live: https://token-snapshot.nextill-pos.workers.dev · DEX list: /dexes.json · OpenAPI: /openapi.json
The risk flags are heuristics from bytecode and storage. They are not an audit, and a clean result does not mean a token is safe.
npx devx-token-snapshot 0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed # free: DEGEN basics on Base
export X402_PRIVATE_KEY=0x... # a Base wallet holding a little USDC (use a dedicated low-balance wallet) npx devx-token-snapshot full 0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed --pools 3 npx devx-token-snapshot full 0x6982508145454Ce325dDbE47a25d4ec3d2311933 --chain ethereum # PEPE on Ethereum npx devx-token-snapshot paid-info
How paying works: the CLI asks the API for its x402 quote, checks that it is USDC on Base, goes to 0xB3cD…f247 and is at or under --max-usd (default 0.01), then signs a gasless EIP-3009 authorization with your key via @x402/fetch. The key stays on your machine. Without a key, full prints the quote, pays nothing and exits with code 2. Since v2.0.0 the package is a thin client. It no longer computes snapshots locally.
Claude Desktop / Cursor (stdio):
{ "mcpServers": { "token-snapshot": { "command": "npx", "args": ["-y", "devx-token-snapshot", "mcp"], "env": { "X402_PRIVATE_KEY": "0x... (optional, enables the paid tool)" } } } }
Or remote (streamable HTTP): https://token-snapshot.nextill-pos.workers.dev/mcp (free tool + info only)
Tools: token_basics (free), token_snapshot (0.003 USDC per call, pays only if X402_PRIVATE_KEY is set and never above 0.01 USDC, otherwise returns the quote), token_snapshot_info.
GET https://token-snapshot.nextill-pos.workers.dev/v1/snapshot?token=0x...&chain=base[&pools=5]
POST https://token-snapshot.nextill-pos.workers.dev/v1/snapshot {"token":"0x...","chain":"base","pools":5}
Unpaid requests get HTTP 402 with both an x402 v1 body (network: base, maxAmountRequired: 3000) and a v2 PAYMENT-REQUIRED header (eip155:8453). Pay with any x402 client, for example @x402/fetch, using your own wallet. Settlement goes through the Coinbase CDP facilitator and only happens after the snapshot has been produced. Input is checked before you are asked to pay. Free basics: GET https://token-snapshot.nextill-pos.workers.dev/api/basic?token=0x...&chain=base.
cli/ npm package devx-token-snapshot (CLI + stdio MCP client for the hosted API), npm testworker/ the Cloudflare Worker behind the hosted endpoint (npm run build, npm test)MIT. Made by DevX.