このMCPでできること
Offers deterministic developer utilities for JSON, YAML, SQL, regex, diffs, JWT decoding, redaction, screenshots, QR codes, time zones and unit conversion.
機能
ツール
14
ツール
diff_text
What changed between two texts, line by line
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['a', 'b'], 'properties': {'a': {'type': 'string', 'description': 'The first (before) text.'}, 'b': {'type': 'string', 'description': 'The second (after) text.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
json_format
json format
Validate and pretty-print JSON (2-space indent). Reports the error location if invalid.
入力スキーマ
{'type': 'object', 'properties': {'url': {}, 'json': {}, 'indent': {'type': 'number'}}, 'additionalProperties': True}
json_yaml
JSON ↔ YAML, either direction, auto-detected
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['text'], 'properties': {'to': {'type': 'string', 'description': 'Optional: "json" or "yaml" to force the direction.'}, 'text': {'type': 'string', 'description': 'The JSON or YAML content.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
jwt_decode
See inside a JWT — header, payload, and whether it has expired
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['token'], 'properties': {'token': {'type': 'string', 'description': 'The JWT string.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
make_qr
Make a QR code
Any text or URL → a QR code PNG you can embed or download. Stateless URL form: https://ainetcafe.com/i/qr/<text>
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'The text or URL to encode.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
redact_text
Redact secrets and PII before sending text on
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['text'], 'properties': {'only': {'type': 'string', 'description': 'Optional comma-separated subset, e.g. "EMAIL,API_KEY,PRIVATE_KEY".'}, 'text': {'type': 'string', 'description': 'The text to redact.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
regex_test
Does this regex match — and what does it capture?
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['pattern', 'text'], 'properties': {'text': {'type': 'string', 'description': 'The text to test against.'}, 'flags': {'type': 'string', 'description': 'Optional flags, e.g. "gi". Default "g".'}, 'pattern': {'type': 'string', 'description': 'The regular expression, without surrounding slashes.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
screenshot_url
screenshot url
Full-page screenshot of any URL → PNG. The same job screenshot APIs charge $7-79/month for.
入力スキーマ
{'type': 'object', 'properties': {'url': {}, 'width': {'type': 'number'}}, 'additionalProperties': True}
sql_from_description
sql from description
Plain-language request + table schema → ready-to-run .sql file with comments.
入力スキーマ
{'type': 'object', 'properties': {'schema': {'type': 'string'}, 'dialect': {}, 'request': {}}, 'additionalProperties': True}
timezone_convert
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).
入力スキーマ
{'type': 'object', 'properties': {'to': {'type': 'string'}, 'from': {'type': 'string'}, 'time': {'type': 'string'}}, 'additionalProperties': True}
transpile_sql
Translate SQL between dialects
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['sql', 'write'], 'properties': {'sql': {'type': 'string', 'description': 'The SQL statement (or several, separated by semicolons).'}, 'read': {'type': 'string', 'description': 'Source dialect, e.g. "mysql". Omit to auto-detect from generic SQL.'}, 'write': {'type': 'string', 'description': 'Target dialect, e.g. "postgres", "bigquery", "doris".'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
unit_convert
unit convert
Convert units: length, weight, temperature, area, volume, speed, data size. value + from + to (e.g. 100 km mi, 25 c f).
入力スキーマ
{'type': 'object', 'properties': {'to': {'type': 'string'}, 'from': {'type': 'string'}, 'value': {'type': 'number'}}, 'additionalProperties': True}
validate_json
Is this JSON valid — and does it have the keys you need?
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'The JSON to validate.'}, 'schema': {'type': 'string', 'description': 'Optional JSON Schema (as JSON text) — required[] and properties[].type are checked.'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
what_can_you_do
Find the right tool for a task
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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', 'required': ['task'], 'properties': {'task': {'type': 'string', 'description': 'What you are trying to do, e.g. "reconcile a bank statement against my books" or "把一堆发票整理成能入账的表格"'}}}
出力スキーマ
{'type': 'object', 'additionalProperties': True}
履歴
最近のツール変更
追加
screenshot_url
2026年9月17日12:33
追加
sql_from_description
2026年9月17日12:33
追加
unit_convert
2026年9月17日12:33
追加
timezone_convert
2026年9月17日12:33
追加
json_format
2026年9月17日12:33
追加
make_qr
2026年9月17日12:33
追加
transpile_sql
2026年9月17日12:33
追加
regex_test
2026年9月17日12:33
追加
jwt_decode
2026年9月17日12:33
追加
diff_text
2026年9月17日12:33
追加
validate_json
2026年9月17日12:33
追加
json_yaml
2026年9月17日12:33
追加
redact_text
2026年9月17日12:33
追加
what_can_you_do
2026年9月17日12:33
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