MCP serverio.github.why-see/agent-tools-mcp

Generate SVG placeholder avatar, max 256px. Use to create a deterministic or synthetic profile icon for prototypes. Not suitable for matching a real person's photograph. Returns SV

Generate Luhn-valid synthetic TEST card data. Never use as real payment credentials. Use for payment-form UI tests that need checksum-valid dummy data. Never use to impersonate a p

Generate color palette. Use when a design prototype needs related colors from a base hue. Not an accessibility or WCAG contrast audit. Returns palette values in the selected format

Generate up to 8 rows of synthetic JSON/JSONL/CSV. Use for testing CSV, JSON or JSONL import/export flows with fabricated data. For specific user/company/address fixtures, use gene

Generate up to 8 synthetic users, companies or addresses. Use to seed demos with made-up users, companies or addresses. For a custom schema and CSV output, use generate-dataset. Cr

Compute SHA-256 or legacy MD5 hash; do not hash passwords here. Use SHA-256 for non-secret fixture digests or to compare public text content. Do not use the legacy MD5 choice for s

Generate bounded lorem ipsum text. Use to generate placeholder words, sentences or paragraphs for visual mocks. For real editorial text, use a writing model instead. Produces nonse

Generate a random password with WebCrypto. Never use seeded outputs as secrets. Use to populate synthetic account fixtures; unseeded generation uses cryptographic randomness. Never

Generate up to 8 fictional US-format phone numbers. Use for mock phone-number fields in US-based test data. To validate a supplied number, use is-phone-e164. Generates fictional st

Fill a prompt template with provided variables. Use to assemble a prompt string from a caller-supplied template and variable map. It does not invoke or pay for any AI model. Return

Produce Unicode-aware slug from a title. Use when creating an SEO-friendly path segment from a title. To check an existing full URL, use is-url-safe instead. Transliterates/normali

Generate synthetic US SSN-style fixtures only, up to 8. Use only to test formatting and field validation in demos. Never use a generated value as anyone's actual Social Security nu

Generate tokens/UUIDs with WebCrypto; never use deterministic seed for real secrets. Use for temporary development fixtures or unseeded random UUIDs. Do not use seeded output as au

Luhn/brand format only. Do not submit real payment card details. Use to screen synthetic card fixtures for plausible network/length and Luhn checksum. Do not use for real payment-c

Clean or minify JSON/JSONL/CSV data, max 4096 input characters. Use to compact small JSON, JSONL or CSV samples without discarding meaningful fields. For ordinary JSON validity che

ASCII email format, without mailbox verification. Use to reject malformed email strings before a form or fixture is processed. For mailbox existence or deliverability, use a separa

Rewrite existing Google Analytics tag snippet; review output before production. Use when transforming an already supplied Google Analytics tag snippet. It does not configure GA4 ac

Conservative HTML minification, review results before production. Use to reduce whitespace in a controlled HTML fragment before delivery. For CSS or JavaScript, use is-minify-css o

IBAN format, country length and checksum against the bundled registry. Use to check a fabricated or public IBAN's country length and check digits. Do not use to confirm account own

Validate IPv4 or IPv6 without lookup. Use to check whether a supplied string is structurally an IP address. Do not use it to geolocate a host or test network reachability. Local sy

Canonical Gregorian date YYYY-MM-DD. Use before accepting YYYY-MM-DD dates, including leap-day validity. For timestamps, offsets or date/time conversion, use a time-aware parser in

Parse JSON using upstream safety limits. Use to test whether text is valid JSON within depth/key constraints. For CSV/JSONL cleanup, use is-dataset-minify instead. Checks JSON synt

Conservative CSS minification, review results before production. Use for small CSS snippets where basic whitespace cleanup suffices. For JavaScript use is-minify-js; for complex st

Conservative JS minification. Not a parser. Regression-test minified code. Use for small JavaScript snippets where basic whitespace cleanup suffices. For CSS use is-minify-css; for

Evaluate strength; do not submit real passwords to an external MCP endpoint. Use only with dummy passwords to evaluate upstream password rules. Never send real user credentials to

International phone format with normalization. Use to check a candidate international number in E.164 style before storing a test record. It does not verify whether a subscriber ow

Compress prompt whitespace and filler; semantic equivalence not guaranteed. Use to shorten prompt text before passing it to a model when token budget matters. Do not assume the rew

Strip ANSI escape sequences. Use when turning colorized terminal logs into clean text for indexing or display. For structured datasets, use is-dataset-minify instead. Transformatio

Conservative HTTP(S) URL syntax, no HTTP request. Use to check a candidate web link before displaying or saving it. Do not use this to establish that a site is safe, accessible or

US EIN/SSN/ITIN format only; do not submit real identifiers. Use only with synthetic EIN, SSN or ITIN fixtures to examine formatting. Do not use to confirm an individual's identity

Canonical UUID, optionally filter by version. Use to verify a UUID string, optionally limiting acceptance to a specific version. To create new UUIDs, use generate-token. Does not c

EU VAT country-specific format only. Use to screen a test VAT ID for country-specific syntax. To confirm tax registration or active status, query an official VAT register separatel