Netcafe Devkit MCP Server

by ainetcafe Your server? Claim it

answering

Netcafe Devkit is answering right now. Last checked 1 min ago. It exposes 14 tools. Last commit 16 Aug 2026.

JSON/YAML, regex, diff, JWT, SQL dialects — the keyless millisecond ops an agent needs mid-task.

Uptime history 78 days of history · worst day 0%

78 days agonow

70.7%

Uptime 24h

65 of 92 checks

Tools

read from the server

1204 ms

Response time

average over 24h

Stars

last commit 16 Aug 2026

What changed 8

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 August 2026. No other catalogue keeps this.

22 Aug 5 tools changed the parameters they ask for json_format, screenshot_url, sql_from_description and 2 more

17 Aug 2 tools appeared screenshot_url, sql_from_description

16 Aug a tool description was rewritten what_can_you_do

Netcafe Devkit does not always answer

Over the last week it answered 49.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add netcafe-devkit --transport http 'https://ainetcafe.com/mcp/dev?s=registry'

Settings → Connectors → Add custom connector, then paste this address

https://ainetcafe.com/mcp/dev?s=registry

~/.codex/config.toml

[mcp_servers.netcafe-devkit]
url = "https://ainetcafe.com/mcp/dev?s=registry"

.cursor/mcp.json

{
  "mcpServers": {
    "netcafe-devkit": {
      "url": "https://ainetcafe.com/mcp/dev?s=registry"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "netcafe-devkit": {
      "type": "http",
      "url": "https://ainetcafe.com/mcp/dev?s=registry"
    }
  }
}

Available tools 14

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

json

json_format

Validate and pretty-print JSON (2-space indent). Reports the error location if invalid.

json_yaml

Converts JSON to YAML or YAML to JSON. It works out which one you gave it, so you do not have to say. A parse failure comes back with the parser message instead of silently producing something that looks fine and is not. Use when a config, a CI file, or a Kubernetes manifest needs to be in the other format.

diff

diff_text

Returns which lines were added and which were removed, with line numbers — computed with a longest-common-subsequence, not guessed by a model. Use to compare two versions of a config, a document, or any command output, instead of asking an LLM to eyeball two blobs and hoping it notices.

jwt

jwt_decode

Decodes the header and payload of a JWT and reports issued-at / expiry as readable timestamps plus seconds remaining. The signature is NOT verified and the response says so — decoding is fine for debugging a token you already hold, but never treat these values as proof of anything; verification needs the secret and belongs in your own service.

make

make_qr

Any text or URL → a QR code PNG you can embed or download. Stateless URL form: https://ainetcafe.com/i/qr/<text>

redact

redact_text

Strip emails, phone numbers, ID numbers, API keys, private keys, JWTs, card numbers and IPs out of text, returning the redacted text plus a mapping table to restore them afterwards. Rule-based only — no model sees the input. The same value always maps to the same placeholder, so the answer can be restored.

regex

regex_test

Runs a regular expression against sample text and returns every match with its position and capture groups (named groups included). Use before wiring a pattern into code, instead of guessing whether the escaping survived the trip through JSON and the shell.

screenshot

screenshot_url

Full-page screenshot of any URL → PNG. The same job screenshot APIs charge $7-79/month for.

sql

sql_from_description

Plain-language request + table schema → ready-to-run .sql file with comments.

timezone

timezone_convert

Convert a time between time zones, or get current time in any zone. from/to = IANA zone (Asia/Shanghai), time = YYYY-MM-DDTHH:mm (default now).

transpile

transpile_sql

Convert a SQL statement from one dialect to another — mysql, postgres, sqlite, tsql, oracle, snowflake, bigquery, redshift, spark, hive, presto, trino, duckdb, clickhouse, databricks, doris, starrocks and more. Deterministic parser (sqlglot), not an LLM: the same input always produces the same output, and syntax errors come back with the exact line and column. Use it when migrating queries between databases or debugging dialect-specific syntax.

unit

unit_convert

Convert units: length, weight, temperature, area, volume, speed, data size. value + from + to (e.g. 100 km mi, 25 c f).

validate

validate_json

Checks that text parses as JSON, and optionally that required keys are present with the right top-level types. Returns the specific violations, not just true/false. Checks required + types only — not full JSON Schema, and it says so rather than pretending. Use before feeding generated JSON into something that will fail on it.

what

what_can_you_do

Describe a task in plain language (any language) and get back exactly which tools on this server do it, with ready-to-run example calls — instead of reading the whole catalogue and guessing. Also returns multi-step recipes when a task needs several tools chained (invoices to a ledger, a bank statement reconciled, a messy CSV turned into a deliverable). Deterministic and free: it calls no model, costs nothing, and never runs out of quota. Call this FIRST when you are not sure what this server offers.

Endpoints

URL	Transport	State	Latency	Checked
https://ainetcafe.com/mcp/dev?s=registry	streamable-http	answering	984 ms	1 min ago

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Netcafe Devkit — questions

Answers built from our own checks of this server.

What can Netcafe Devkit do?

It exposes 14 tools, read directly from the server on our last check. Among them: diff_text, json_format, json_yaml, jwt_decode, make_qr, redact_text and 8 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Netcafe Devkit working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 65 of 92 checks got a reply (70.7%), average response time 1204 ms. The bar chart above shows every period we have measured.

How do I connect Netcafe Devkit?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Netcafe Devkit need an API key?

No. Netcafe Devkit completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 14 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Netcafe Devkit?

It answers our handshake in 1204 ms on average, which is faster than 3% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Netcafe Devkit open source?

We cannot say either way: written in JavaScript, 1 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.