APIShed

com.apished/apishedVersion 1.3.0

Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/BIC/VAT; RPN, dates, hash, tokens, random, encode, time

Status

Responds139 msNov 14, 2026, 13:54 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:54 UTC
Latency: 139 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: EU hosting detected (detected, not a legal statement)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://apished.com/mcpResponds139 msNov 14, 2026, 13:54 UTC

No sign-in

Claude Code

claude mcp add --transport http apished https://apished.com/mcp

Claude Desktop and claude.ai

1
2
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Settings > Connectors > Add custom connector
Name: apished
Remote MCP server URL: https://apished.com/mcp

Cursor

{
  "mcpServers": {
    "apished": {
      "url": "https://apished.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"apished","type":"http","url":"https://apished.com/mcp"}'

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Tools

52 tools

Tools of APIShed
	Description		Read-only	Idempotent	Open world
`color_contrast`Computes the WCAG 2.1 contrast ratio between two hex colors. Alpha, if present, is composited over white first.	Computes the WCAG 2.1 contrast ratio between two hex colors. Alpha, if present, is composited over white first.	Not declared	Not declared	Not declared	Not declared
`color_convert`Converts a color between hex, rgb, hsl, and hsv. value's shape depends on from/to: a string for hex, an object ({r,g,b,a?} etc.) otherwise.	Converts a color between hex, rgb, hsl, and hsv. value's shape depends on from/to: a string for hex, an object ({r,g,b,a?} etc.) otherwise.	Not declared	Not declared	Not declared	Not declared
`csv_from_json`Converts JSON records to CSV text. columns is the explicit, ordered header — JSON object key order can't be relied on to infer it.	Converts JSON records to CSV text. columns is the explicit, ordered header — JSON object key order can't be relied on to infer it.	Not declared	Not declared	Not declared	Not declared
`csv_parse`Parses CSV text into rows of string fields (no type guessing). Ragged rows are tolerated — use csv_validate to detect them.	Parses CSV text into rows of string fields (no type guessing). Ragged rows are tolerated — use csv_validate to detect them.	Not declared	Not declared	Not declared	Not declared
`csv_stats`Parses CSV text (header row required) and reports per-column non-empty/empty value counts across the data rows. No numeric aggregation.	Parses CSV text (header row required) and reports per-column non-empty/empty value counts across the data rows. No numeric aggregation.	Not declared	Not declared	Not declared	Not declared
`csv_to_json`Converts CSV text to JSON: header=true (default) returns one object per data row keyed by the header row; header=false returns raw rows. Every value is a string.	Converts CSV text to JSON: header=true (default) returns one object per data row keyed by the header row; header=false returns raw rows. Every value is a string.	Not declared	Not declared	Not declared	Not declared
`csv_validate`Reports whether CSV text is structurally well-formed: every row has the same field count as the first.	Reports whether CSV text is structurally well-formed: every row has the same field count as the first.	Not declared	Not declared	Not declared	Not declared
`datemath_add`Adds years/months/days to date. years/months are applied together with end-of-month clamping — e.g. 2026-01-31 + 1 month = 2026-02-28, not an overflowed 2026-03-03. days is then applied as plain calendar-day arithmetic.	Adds years/months/days to date. years/months are applied together with end-of-month clamping — e.g. 2026-01-31 + 1 month = 2026-02-28, not an overflowed 2026-03-03. days is then applied as plain calendar-day arithmetic.	Not declared	Not declared	Not declared	Not declared
`datemath_age`Age in whole years as of asOf (optional, defaults to the current UTC date). A Feb-29 birthDate is treated as falling on March 1 in a non-leap asOf year.	Age in whole years as of asOf (optional, defaults to the current UTC date). A Feb-29 birthDate is treated as falling on March 1 in a non-leap asOf year.	Not declared	Not declared	Not declared	Not declared
`datemath_businessdays`Counts days in [from, to] (inclusive on both ends) whose weekday is in weekdays (default mon-fri) and which aren't in holidays.	Counts days in [from, to] (inclusive on both ends) whose weekday is in weekdays (default mon-fri) and which aren't in holidays.	Not declared	Not declared	Not declared	Not declared
`datemath_dayofweek`Day of the week for date: both the weekday name and its ISO 8601 weekday number (1=Monday..7=Sunday).	Day of the week for date: both the weekday name and its ISO 8601 weekday number (1=Monday..7=Sunday).	Not declared	Not declared	Not declared	Not declared
`datemath_diff`Day difference between two YYYY-MM-DD dates: to minus from, in whole days. Negative if to is before from.	Day difference between two YYYY-MM-DD dates: to minus from, in whole days. Negative if to is before from.	Not declared	Not declared	Not declared	Not declared
`datemath_leapyear`Checks whether year is a leap year in the Gregorian calendar.	Checks whether year is a leap year in the Gregorian calendar.	Not declared	Not declared	Not declared	Not declared
`datetime_now`Returns the actual current date/time — an LLM has a training cutoff and no live clock, so it can't know what time it actually is right now.	Returns the actual current date/time — an LLM has a training cutoff and no live clock, so it can't know what time it actually is right now.	Not declared	Not declared	Not declared	Not declared
`ean_validate`Validates an 8-digit (EAN-8), 12-digit (UPC-A), 13-digit (EAN-13), or 14-digit (GTIN-14) barcode checksum: alternating weights 1 3 applied right-to-left, check digit is (10 - sum mod 10) mod 10.	Validates an 8-digit (EAN-8), 12-digit (UPC-A), 13-digit (EAN-13), or 14-digit (GTIN-14) barcode checksum: alternating weights 1 3 applied right-to-left, check digit is (10 - sum mod 10) mod 10.	Not declared	Not declared	Not declared	Not declared
`email_validate`Checks value is a single, bare RFC 5322 email address — syntax only, not a deliverability check. user@localhost is valid (no TLD required). "Name <email>" display syntax is rejected.	Checks value is a single, bare RFC 5322 email address — syntax only, not a deliverability check. user@localhost is valid (no TLD required). "Name <email>" display syntax is rejected.	Not declared	Not declared	Not declared	Not declared
`encode_decode`Decodes rot13, base64, base64url, base32, hex, uuencode, urlcomponent, urlform, or html text back to the original. encoding in the result is "text" if the decoded bytes are valid UTF-8, or "base64" if they're binary.	Decodes rot13, base64, base64url, base32, hex, uuencode, urlcomponent, urlform, or html text back to the original. encoding in the result is "text" if the decoded bytes are valid UTF-8, or "base64" if they're binary.	Not declared	Not declared	Not declared	Not declared
`encode_encode`Encodes plain UTF-8 text into rot13, base64, base64url, base32, hex, uuencode, urlcomponent (RFC 3986 percent-encoding, space -> %20), urlform (application/x-www-form-urlencoded, space -> +), or html (entity-escapes < > & ' "). Returns plain ASCII.	Encodes plain UTF-8 text into rot13, base64, base64url, base32, hex, uuencode, urlcomponent (RFC 3986 percent-encoding, space -> %20), urlform (application/x-www-form-urlencoded, space -> +), or html (entity-escapes < > & ' "). Returns plain ASCII.	Not declared	Not declared	Not declared	Not declared
`hash_digest`Computes a hash digest of input (decoded per encoding: "text" default, "base64", or "hex") using algo: md5, sha1, sha256, sha512, or crc32. Returns the digest as lowercase hex.	Computes a hash digest of input (decoded per encoding: "text" default, "base64", or "hex") using algo: md5, sha1, sha256, sha512, or crc32. Returns the digest as lowercase hex.	Not declared	Not declared	Not declared	Not declared
`hash_hmac`Computes an HMAC of input (decoded per encoding) using algo: md5, sha1, sha256, or sha512 (crc32 isn't offered — it's a checksum, not a cryptographic primitive HMAC composes with). key is used as its raw UTF-8 bytes, not decoded per encoding. Returns the MAC as lowercase hex.	Computes an HMAC of input (decoded per encoding) using algo: md5, sha1, sha256, or sha512 (crc32 isn't offered — it's a checksum, not a cryptographic primitive HMAC composes with). key is used as its raw UTF-8 bytes, not decoded per encoding. Returns the MAC as lowercase hex.	Not declared	Not declared	Not declared	Not declared
`iban_validate`Validates an IBAN's length for its issuing country (per the SWIFT IBAN registry) and its mod-97 checksum. Does not decompose the BBAN into a bank code/account number or resolve a BIC.	Validates an IBAN's length for its issuing country (per the SWIFT IBAN registry) and its mod-97 checksum. Does not decompose the BBAN into a bank code/account number or resolve a BIC.	Not declared	Not declared	Not declared	Not declared
`isbn_validate`Validates a 10- or 13-character ISBN. ISBN-10 uses weights 10..1 over 10 characters (last may be X, worth 10), sum mod 11 must be 0. ISBN-13 uses the same GTIN checksum as barcodes.	Validates a 10- or 13-character ISBN. ISBN-10 uses weights 10..1 over 10 characters (last may be X, worth 10), sum mod 11 must be 0. ISBN-13 uses the same GTIN checksum as barcodes.	Not declared	Not declared	Not declared	Not declared
`jsonschema_validate`Validates document against schema (JSON Schema draft-07 or 2020-12). Reports one specific violation per call, not an aggregated list.	Validates document against schema (JSON Schema draft-07 or 2020-12). Reports one specific violation per call, not an aggregated list.	Not declared	Not declared	Not declared	Not declared
`luhn_validate`Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers.	Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers.	Not declared	Not declared	Not declared	Not declared
`network_cidr_contains`Reports whether a CIDR block contains an address. Different address families (IPv4 vs IPv6) never match.	Reports whether a CIDR block contains an address. Different address families (IPv4 vs IPv6) never match.	Not declared	Not declared	Not declared	Not declared
`network_cidr_info`Parses a CIDR block and reports its network address, address range, and address count. An address with host bits set (e.g. 10.14.32.17/21) is normalized to its network address in the result.	Parses a CIDR block and reports its network address, address range, and address count. An address with host bits set (e.g. 10.14.32.17/21) is normalized to its network address in the result.	Not declared	Not declared	Not declared	Not declared
`network_cidr_overlaps`Reports whether two CIDR blocks share any address.	Reports whether two CIDR blocks share any address.	Not declared	Not declared	Not declared	Not declared
`nip_validate`Validates the checksum of a 10-digit Polish tax identification number (NIP). Checksum uses weights 6 5 7 2 3 4 5 6 7 over the first 9 digits; sum mod 11 must equal the 10th digit. A sum mod 11 of 10 is itself invalid.	Validates the checksum of a 10-digit Polish tax identification number (NIP). Checksum uses weights 6 5 7 2 3 4 5 6 7 over the first 9 digits; sum mod 11 must equal the 10th digit. A sum mod 11 of 10 is itself invalid.	Not declared	Not declared	Not declared	Not declared
`pesel_validate`Validates the checksum of an 11-digit Polish national identification number (PESEL). Checksum uses weights 1 3 7 9 1 3 7 9 1 3 over the first 10 digits; control digit is (10 - sum mod 10) mod 10. On success also decodes the date of birth and sex embedded in the number; a checksum-valid number with an impossible calendar date (e.g. Feb 30) is still reported invalid.	Validates the checksum of an 11-digit Polish national identification number (PESEL). Checksum uses weights 1 3 7 9 1 3 7 9 1 3 over the first 10 digits; control digit is (10 - sum mod 10) mod 10. On success also decodes the date of birth and sex embedded in the number; a checksum-valid number with an impossible calendar date (e.g. Feb 30) is still reported invalid.	Not declared	Not declared	Not declared	Not declared
`pipe_run`Runs a short ordered chain of existing apished operations in one call (same as POST /v1/pipe/run), passing one named field of each step's result into the next step's args. Stops at the first failing step.	Runs a short ordered chain of existing apished operations in one call (same as POST /v1/pipe/run), passing one named field of each step's result into the next step's args. Stops at the first failing step.	Not declared	Not declared	Not declared	Not declared
`random_int`Generates cryptographically random integers in [min, max] (inclusive), using crypto/rand — an actual random value, not a guess. count defaults to 1, max 1000.	Generates cryptographically random integers in [min, max] (inclusive), using crypto/rand — an actual random value, not a guess. count defaults to 1, max 1000.	Not declared	Not declared	Not declared	Not declared
`regex_extract`Extracts up to maxMatches non-overlapping regex matches from input, using Go's RE2-based regexp engine (linear-time, no backreferences/lookaround). Named groups (?P<name>...) are reported in namedGroups.	Extracts up to maxMatches non-overlapping regex matches from input, using Go's RE2-based regexp engine (linear-time, no backreferences/lookaround). Named groups (?P<name>...) are reported in namedGroups.	Not declared	Not declared	Not declared	Not declared
`regex_match`Tests input against pattern (Go's regexp package: RE2 syntax, not PCRE — no backreferences or lookaround; use inline flags like (?i) for case-insensitive matching). Returns the full match and captured groups.	Tests input against pattern (Go's regexp package: RE2 syntax, not PCRE — no backreferences or lookaround; use inline flags like (?i) for case-insensitive matching). Returns the full match and captured groups.	Not declared	Not declared	Not declared	Not declared
`regex_replace`Replaces every regex match of pattern in input with replacement, which may reference capture groups as $1, $name, etc. (Go's Regexp.Expand syntax).	Replaces every regex match of pattern in input with replacement, which may reference capture groups as $1, $name, etc. (Go's Regexp.Expand syntax).	Not declared	Not declared	Not declared	Not declared
`regex_split`Splits input around regex matches of pattern, returning at most limit substrings (the last holds the unsplit remainder). limit<=0 means no limit.	Splits input around regex matches of pattern, returning at most limit substrings (the last holds the unsplit remainder). limit<=0 means no limit.	Not declared	Not declared	Not declared	Not declared
`regon_validate`Validates the checksum of a 9- or 14-digit Polish business registry number (REGON). 9-digit: weights 8 9 2 3 4 5 6 7 over the first 8 digits, sum mod 11 (10 mapped to 0) must equal the 9th digit. 14-digit: the first 9 digits must themselves be a valid 9-digit REGON, and weights 2 4 8 5 0 9 7 3 6 1 2 4 8 over the first 13 digits (sum mod 11, 10 mapped to 0) must equal the 14th digit.	Validates the checksum of a 9- or 14-digit Polish business registry number (REGON). 9-digit: weights 8 9 2 3 4 5 6 7 over the first 8 digits, sum mod 11 (10 mapped to 0) must equal the 9th digit. 14-digit: the first 9 digits must themselves be a valid 9-digit REGON, and weights 2 4 8 5 0 9 7 3 6 1 2 4 8 over the first 13 digits (sum mod 11, 10 mapped to 0) must equal the 14th digit.	Not declared	Not declared	Not declared	Not declared
`rpncalc_eval`Evaluates a Reverse Polish Notation (postfix) expression: whitespace-separated tokens, each a number or an operator/function that pops its operands off a stack and pushes the result. Supports arithmetic, exponentiation/modulo, roots, trigonometry, logarithms, rounding, bitwise ops, and constants (pi, e, phi). Always returns the decimal result — for hex/bin/oct rendering, convert the returned number yourself.	Evaluates a Reverse Polish Notation (postfix) expression: whitespace-separated tokens, each a number or an operator/function that pops its operands off a stack and pushes the result. Supports arithmetic, exponentiation/modulo, roots, trigonometry, logarithms, rounding, bitwise ops, and constants (pi, e, phi). Always returns the decimal result — for hex/bin/oct rendering, convert the returned number yourself.	Not declared	Not declared	Not declared	Not declared
`swiftbic_validate`Structural format validation only for a SWIFT/BIC code: 8 or 11 characters (4 letters bank code + 2 letters country code + 2 alphanumeric location code + optional 3 alphanumeric branch code). The country code is not cross-checked against ISO 3166-1.	Structural format validation only for a SWIFT/BIC code: 8 or 11 characters (4 letters bank code + 2 letters country code + 2 alphanumeric location code + optional 3 alphanumeric branch code). The country code is not cross-checked against ISO 3166-1.	Not declared	Not declared	Not declared	Not declared
`text_charat`Returns the 0-indexed character (rune) at index in text.	Returns the 0-indexed character (rune) at index in text.	Not declared	Not declared	Not declared	Not declared
`text_count`Counts non-overlapping occurrences of substring in text (rune-safe, not byte-based).	Counts non-overlapping occurrences of substring in text (rune-safe, not byte-based).	Not declared	Not declared	Not declared	Not declared
`text_palindrome`Checks whether text reads the same forwards and backwards. ignoreCase/ignoreNonAlnum default false (strict, literal comparison); set both true for phrase-style palindromes like "A man, a plan, a canal: Panama".	Checks whether text reads the same forwards and backwards. ignoreCase/ignoreNonAlnum default false (strict, literal comparison); set both true for phrase-style palindromes like "A man, a plan, a canal: Panama".	Not declared	Not declared	Not declared	Not declared
`text_reverse`Reverses text by Unicode code point (rune), not grapheme cluster.	Reverses text by Unicode code point (rune), not grapheme cluster.	Not declared	Not declared	Not declared	Not declared
`text_sort`Sorts text's characters or words alphabetically. by: "chars" (default, sorts runes, no separator) or "words" (splits on whitespace, rejoins with a single space).	Sorts text's characters or words alphabetically. by: "chars" (default, sorts runes, no separator) or "words" (splits on whitespace, rejoins with a single space).	Not declared	Not declared	Not declared	Not declared
`text_stats`Descriptive statistics for text: rune/byte/word/line counts, a unique-rune count, a letters/digits/spaces/punctuation/other breakdown, an exact per-character frequency table, and word-length min/max/average plus the actual shortest/longest word (ties resolve to the first occurrence).	Descriptive statistics for text: rune/byte/word/line counts, a unique-rune count, a letters/digits/spaces/punctuation/other breakdown, an exact per-character frequency table, and word-length min/max/average plus the actual shortest/longest word (ties resolve to the first occurrence).	Not declared	Not declared	Not declared	Not declared
`text_wordcount`Counts whitespace-delimited words in text.	Counts whitespace-delimited words in text.	Not declared	Not declared	Not declared	Not declared
`tokens_count`Counts tokens under an OpenAI-compatible (tiktoken) encoding. Provide exactly one of model (e.g. "gpt-4o") or encoding ("o200k_base" or "cl100k_base"). No Claude/Anthropic tokenizer.	Counts tokens under an OpenAI-compatible (tiktoken) encoding. Provide exactly one of model (e.g. "gpt-4o") or encoding ("o200k_base" or "cl100k_base"). No Claude/Anthropic tokenizer.	Not declared	Not declared	Not declared	Not declared
`units_convert_datasize`Converts a data-size value (decimal string) between bit, Kbit, Mbit, Gbit, Tbit (SI bits), B, KB, MB, GB, TB, PB (SI bytes), and KiB, MiB, GiB, TiB, PiB (IEC bytes). Always exact.	Converts a data-size value (decimal string) between bit, Kbit, Mbit, Gbit, Tbit (SI bits), B, KB, MB, GB, TB, PB (SI bytes), and KiB, MiB, GiB, TiB, PiB (IEC bytes). Always exact.	Not declared	Not declared	Not declared	Not declared
`units_convert_temperature`Converts a temperature value (decimal string) between C, F, and K. Offset-aware, not a bare multiplier.	Converts a temperature value (decimal string) between C, F, and K. Offset-aware, not a bare multiplier.	Not declared	Not declared	Not declared	Not declared
`url_validate`Checks value is a well-formed absolute URL (has both a scheme and a host) — syntax only, not a reachability check.	Checks value is a well-formed absolute URL (has both a scheme and a host) — syntax only, not a reachability check.	Not declared	Not declared	Not declared	Not declared
`uuid_generate`Generates count (default 1, max 1000) random version-4 UUIDs from crypto/rand-backed entropy.	Generates count (default 1, max 1000) random version-4 UUIDs from crypto/rand-backed entropy.	Not declared	Not declared	Not declared	Not declared
`uuid_validate`Parses value as a UUID and reports its version/variant if well-formed.	Parses value as a UUID and reports its version/variant if well-formed.	Not declared	Not declared	Not declared	Not declared
`vateu_validate`Format validation only (no VIES lookup) for an EU VAT number: checks the 2-letter member-state prefix (EL for Greece, XI for Northern Ireland) against that country's digit/letter pattern. A format-valid result does not mean the number is actually registered.	Format validation only (no VIES lookup) for an EU VAT number: checks the 2-letter member-state prefix (EL for Greece, XI for Northern Ireland) against that country's digit/letter pattern. A format-valid result does not mean the number is actually registered.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Sep 27, 2026
Updated: Sep 27, 2026
Website: https://apished.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Developer toolsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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