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Connect Remote server
claude mcp add --transport http mcp https://mcp.redbison.dev{
"mcpServers": {
"mcp": {
"url": "https://mcp.redbison.dev"
}
}
}{
"servers": {
"mcp": {
"type": "http",
"url": "https://mcp.redbison.dev"
}
}
}Settings > Connectors > Add custom connector
URL: https://mcp.redbison.devTools 80 found in our last check
search_toolsSearch RedBison's 500+ tools by keyword: developer utilities, file and media converters, and finance, health, math and engineering calculators. Returns a ranked list with each tool's canonical URL and, when one exists, its in-depth guide. Use this when a user asks 'is there a to…
get_toolGet full metadata for a specific RedBison tool by its id (slug). Returns: Full JSON metadata for the tool: { id, name, description, url, category, subcategory?, keywords[] }. Example input: {"id":"jwt-decoder"}
list_categoriesList all tool categories and subcategories available on RedBison. Returns: JSON array of { category, count } entries covering the full RedBison catalog. Example input: {}
healthReturn server status, name, version, and uptime info. Use this to monitor the MCP server. Returns: JSON { status, name, version, startedAt, timestamp }. Example input: {}
base64_encodeBase64-encode a UTF-8 string. Returns: Base64-encoded string (UTF-8 safe). Example input: {"text":"hello world"}
base64_decodeBase64-decode a string back to UTF-8. Returns: UTF-8 decoded plain text. Example input: {"text":"aGVsbG8gd29ybGQ="}
url_encodePercent-encode a string for use in URLs. Returns: Percent-encoded string suitable for URL query values. Example input: {"text":"hello world & friends"}
url_decodePercent-decode a URL-encoded string. Returns: Percent-decoded plain text. Example input: {"text":"hello%20world%20%26%20friends"}
json_formatPretty-print a JSON string with a chosen indent size. Returns: Pretty-printed JSON string with the requested indent, or an error message if the input is invalid. Example input: {"text":"{\"a\":1,\"b\":[2,3]}","indent":2} On error, includes hint: Pass valid JSON as `text` (double…
json_validateValidate a JSON string. Returns { valid, error? }. Returns: JSON { valid: boolean, error?: string }. Example input: {"text":"{\"a\":1}"} On error, includes hint: Pass the JSON string as `text`.
csv_to_jsonParse CSV text into JSON. Uses the first row as headers unless header=false. Returns: JSON array of row objects keyed by the header row. Example input: {"text":"name,age\nAda,36\nGrace,85","delimiter":","} On error, includes hint: `text` must be CSV with a header row unless `hea…
json_to_csvConvert an array of JSON objects to CSV. Columns are inferred from the union of keys. Returns: CSV string with a header row derived from the first object's keys. Example input: {"json":"[{\"name\":\"Ada\",\"age\":36},{\"name\":\"Grace\",\"age\":85}]","delimiter":","} On error, i…
json_to_yamlConvert a JSON string to YAML. Returns: YAML representation of the parsed JSON value. Example input: {"json":"{\"name\":\"Ada\",\"skills\":[\"math\",\"logic\"]}"} On error, includes hint: Pass the JSON as `json` (a stringified JSON value), not as a JS object.
yaml_to_jsonConvert simple YAML (maps, lists, scalars, flow {} / []) to JSON. Anchors, tags, and complex block scalars are not supported. Returns: Pretty-printed JSON built from the YAML input. Example input: {"yaml":"name: Ada\nskills:\n - math\n - logic"} On error, includes hint: Pass the…
tsv_parseParse tab-separated values into JSON. First row is treated as header unless header=false. Returns: JSON array of row objects derived from the TSV header row. Example input: {"text":"name\tage\nAda\t36\nGrace\t85"} On error, includes hint: `text` must use real tab (\t) separators…
html_beautifyPretty-print an HTML fragment. Returns: Pretty-printed HTML string with normalized indentation. Example input: {"html":"<div><p>hi</p><p>there</p></div>","indent":2}
xml_beautifyPretty-print an XML document. Returns: Pretty-printed XML string with normalized indentation. Example input: {"xml":"<root><a>1</a><b>2</b></root>","indent":2}
yaml_beautifyNormalize YAML indentation and whitespace. Returns: Normalized YAML string (2-space indent, collapsed blank lines). Example input: {"yaml":"a: 1\nb: 2\n\n\nc: 3"}
sql_beautifyFormat a SQL query with keyword uppercasing and line breaks before major clauses. Returns: Formatted SQL query with keywords on new lines. Example input: {"sql":"select id,name from users where active=true order by name"}
slugifyConvert text to a URL-safe slug. Returns: URL-safe slug (lowercase, dashes). Example input: {"text":"Hello, World! 2026"}
case_convertConvert text between upper, lower, title, camel, pascal, snake, and kebab case. Returns: String converted to the requested case. Example input: {"text":"hello world example","style":"camel"} On error, includes hint: `style` must be one of: upper, lower, title, camel, pascal, sna…
escape_charactersEscape or unescape a string for JSON, HTML, XML, JavaScript, or SQL. Returns: Escaped or unescaped string for the chosen format. Example input: {"text":"He said \"hi\"","format":"json","mode":"escape"} On error, includes hint: `mode` is 'escape' or 'unescape'; `format` is one of…
remove_duplicate_linesRemove duplicate lines from text while preserving first-occurrence order. Returns: Text with duplicate lines removed (order preserved). Example input: {"text":"apple\nbanana\napple\ncherry","caseInsensitive":false,"trim":true}
find_duplicate_entriesReturn lines that appear more than once in the input, with their occurrence counts. Returns: JSON array of { value, count } for lines appearing more than once. Example input: {"text":"apple\nbanana\napple\ncherry\nbanana"}
remove_extra_spacesCollapse runs of whitespace inside each line to a single space and trim ends. Returns: Text with runs of whitespace collapsed to a single space. Example input: {"text":"hello world foo"}
remove_empty_linesStrip blank / whitespace-only lines from the input. Returns: Text with blank lines removed. Example input: {"text":"one\n\ntwo\n\n\nthree"}
lines_to_commaJoin lines with a separator (comma by default). Empty lines are skipped. Returns: Single-line string with items joined by the chosen separator. Example input: {"text":"apple\nbanana\ncherry","separator":", ","quote":false}
comma_to_linesSplit a delimited string into one item per line. Returns: Multi-line string, one item per line. Example input: {"text":"apple, banana, cherry","separator":",","trim":true}
jwt_decodeDecode a JWT and return its header + payload. Does NOT verify the signature. Returns: JSON with decoded { header, payload, signature } sections of the JWT. Example input: {"token":"eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxMjMifQ.abc"} On error, includes hint: `token` must be a compact J…
hashCompute a cryptographic hash of a string. Returns: Hex digest of the input using the requested algorithm. Example input: {"text":"hello world","algorithm":"sha256"} On error, includes hint: `algorithm` must be one of: md5, sha1, sha256, sha384, sha512.
hash_compareHash two inputs with the same algorithm and compare them in constant time. Useful for verifying file integrity. Returns: JSON { match: boolean } computed with a constant-time comparison. Example input: {"a":"hello","b":"hello","algorithm":"sha256"} On error, includes hint: `algo…
uuid_generateGenerate one or more v4 UUIDs. Returns: JSON array of v4 UUID strings. Example input: {"count":3} On error, includes hint: `count` must be an integer between 1 and 100.
password_generateGenerate a cryptographically random password. Choose length and character classes. Returns: Randomly generated password string. Example input: {"length":20,"uppercase":true,"lowercase":true,"digits":true,"symbols":true,"count":1} On error, includes hint: `length` 4-256. Enable a…
bcrypt_hashHash a password with bcrypt. Returns: Bcrypt hash string (includes cost + salt). Example input: {"password":"s3cret!","cost":10} On error, includes hint: `cost` must be an integer between 4 and 12. Higher cost is exponentially slower.
bcrypt_verifyCheck whether a password matches a bcrypt hash. Returns: JSON { match: boolean }. Example input: {"password":"s3cret!","hash":"$2a$10$abcdefghijklmnopqrstuv"} On error, includes hint: `hash` must be a full bcrypt string starting with $2a$, $2b$, or $2y$.
subnet_calculatorGiven a CIDR block (e.g. 10.0.0.0/24), return network, broadcast, netmask, first/last host, and host count. Returns: JSON with network, broadcast, first/last host, host count, and mask for the CIDR. Example input: {"cidr":"192.168.1.0/24"} On error, includes hint: `cidr` must be…
ip_convertConvert an IPv4 address between dotted-decimal, integer, binary, and hex forms. Accepts any of those as input. Returns: JSON { decimal, integer, hex, binary } representations of the IPv4 address. Example input: {"value":"192.168.1.1"} On error, includes hint: `value` accepts dot…
epoch_convertConvert between Unix epoch seconds/milliseconds and ISO 8601. Pass a number to convert to ISO, or an ISO string to convert to epoch. Returns: JSON with ISO string, epoch seconds, epoch milliseconds, and a UTC-formatted representation. Example input: {"value":"1700000000"} On err…
timezone_convertConvert a timestamp between two IANA timezones. Returns the wall-clock time in the target zone. Returns: JSON { utc, zone, local } with the timestamp rendered in the target IANA timezone. Example input: {"timestamp":"2026-07-11T12:00:00Z","to":"America/Los_Angeles"} On error, in…
date_diffCompute the difference between two ISO 8601 timestamps in days, hours, minutes, and seconds. Returns: JSON with milliseconds, totalSeconds/Minutes/Hours/Days, and a { days, hours, minutes, seconds } breakdown. Example input: {"from":"2026-01-01T00:00:00Z","to":"2026-07-11T12:00:…
cron_validateValidate a standard 5-field cron expression (minute hour day month weekday). Returns a human-readable summary and any parse error. Returns: JSON { valid: boolean, nextRuns?: string[], error?: string }. Example input: {"expression":"*/5 * * * *"} On error, includes hint: `express…
regex_testTest a regular expression against text. Returns all matches and capture groups. Returns: JSON { matches: string[], count } of matches for the pattern. Example input: {"pattern":"\\d+","flags":"g","text":"order 42 shipped on day 7"} On error, includes hint: `pattern` is a JS RegE…
text_diffCompute a line-level diff between two strings. Returns a unified-style patch and per-line change list. Returns: JSON line-diff with { added, removed, unchanged } arrays. Example input: {"a":"line 1\nline 2\nline 3","b":"line 1\nline 2 changed\nline 3"}
list_compareCompare two newline-separated lists. Returns union, intersection, only-in-A, and only-in-B. Returns: JSON { union, intersection, onlyInA, onlyInB } arrays. Example input: {"a":"apple\nbanana\ncherry","b":"banana\ncherry\ndate"}
color_convertConvert a color between hex, rgb, and hsl. Accepts inputs like '#3B82F6', 'rgb(59,130,246)', or 'hsl(217,91%,60%)'. Returns: JSON with hex, rgb, and hsl representations of the color. Example input: {"color":"#3b82f6"} On error, includes hint: `color` accepts #rgb, #rrggbb, rgb(r…
contrast_checkCompute the WCAG contrast ratio between two hex colors and report AA/AAA pass/fail for normal and large text. Returns: JSON { ratio, AA, AAA, AALarge, AAALarge } for the two colors. Example input: {"foreground":"#ffffff","background":"#3b82f6"} On error, includes hint: Both colo…
css_gradientBuild a CSS linear or radial gradient string from color stops. Returns: CSS gradient string (linear or radial). Example input: {"type":"linear","angle":45,"stops":["#3b82f6","#8b5cf6"]} On error, includes hint: `type` is 'linear' or 'radial'; provide at least 2 color `stops`.
random_nameGenerate random human names. Returns: JSON array of random human name strings. Example input: {"count":3}
random_emailGenerate random-looking (non-deliverable) test email addresses. Returns: JSON array of random email address strings. Example input: {"count":3,"domain":"example.com"}
random_numberGenerate cryptographically random numbers in a range. Returns: JSON array of generated numbers. Example input: {"min":1,"max":100,"count":5,"mode":"integer"}
lorem_ipsumGenerate placeholder lorem ipsum text. Returns: Lorem ipsum text of the requested size. Example input: {"unit":"paragraphs","count":2}
emi_calculateCompute the equated monthly installment (EMI) for a loan. Returns: JSON { emi, totalInterest, totalPayment } for the loan. Example input: {"principal":500000,"annualRatePercent":8.5,"months":240}
simple_interestCompute simple interest: I = P × r × t. Returns: JSON { interest, total } computed as P·r·t. Example input: {"principal":10000,"annualRatePercent":5,"years":3}
compound_interestCompute compound interest: A = P(1 + r/n)^(nt). Returns: JSON { interest, total } computed as P(1+r/n)^(nt). Example input: {"principal":10000,"annualRatePercent":5,"years":10,"compoundsPerYear":12}
bmi_calculateCalculate Body Mass Index in metric (kg/cm) or imperial (lb/in) units. Returns: JSON { bmi, category } (Underweight / Normal / Overweight / Obese). Example input: {"weight":70,"height":175,"units":"metric"}
list_calculatorsList the calculators that run_calculator can execute (finance, health, maths, statistics, construction, science, everyday and engineering), with each one's inputs, units, defaults and an example. Filter with an optional search query. Returns: JSON { total, calculators[] } where…
run_calculatorRun any RedBison calculator by id with named inputs and get the result as JSON: mortgages and loans, savings and investing, pay and tax, body and fitness, maths, statistics, geometry, construction, science and engineering (beams, bolts, wire size, PCB traces, pipe flow, rafters,…
ascii_art_textRender text as a FIGlet ASCII art banner in one of 7 bundled fonts (Standard, Slant, Small, Big, Doom, ANSI Shadow, Mini), optionally wrapped at a column width and inside code comment markers. Printable ASCII only. The page at redbison.dev/ascii-art-text-generator has more fonts…
barcode_check_digitCompute or validate the GS1 mod-10 check digit of an EAN-8, UPC-A, EAN-13 or ITF-14 (GTIN-8/12/13/14) number. Give the digits without the check digit to compute it, or the full code to validate it. Returns: JSON { digits, checkDigit, fullCode, valid, gtin14, formats[] }. valid i…
chmod_convertConvert Unix permissions between octal (755, 4755), symbolic (rwxr-xr-x) and ls -l strings, or apply a chmod expression such as 'go-w,u+x' to a starting mode. Explains each class, setuid/setgid/sticky bits and risky modes, and gives umask defaults. Returns: JSON { octal, symboli…
color_paletteBuild a harmonious color palette from one base color (complementary, analogous, triadic, split-complementary, tetradic, square, monochromatic or tints and shades). Returns each color as HEX, RGB, HSL and OKLCH with WCAG contrast against white and black, an 11-step 50-950 scale o…
cron_buildBuild a standard five-field cron expression from plain choices (every N minutes, hourly, daily, weekly, monthly, yearly) or explain an existing one. Returns the expression, an English description, the next run times in a time zone, and the same schedule for crontab, Kubernetes,…
css_beautifyPretty-print or minify CSS, SCSS or Less, optionally sorting declarations alphabetically. Sorting is cascade-safe: a shorthand and its longhands (border / border-top, margin / margin-top, font / line-height) keep their original relative order. Minify removes comments and whitesp…
curl_to_codeConvert a curl command (bash/zsh quoting, $'...' strings, \ line continuations, or Windows cmd ^ escaping from 'Copy as cURL') into JavaScript fetch, Node Axios, Python requests, Go net/http or PHP ext-curl. Follows curl semantics: -d implies POST with application/x-www-form-url…
docker_run_to_composeConvert one or more 'docker run' commands into a Compose file (services, ports, volumes, environment, networks, healthcheck, GPUs, limits), or convert a compose.yaml back into docker run commands. Unsupported flags are reported as warnings. Returns: run_to_compose: JSON { compos…
gitignore_generateCombine .gitignore templates (based on github/gitignore) for languages, frameworks, tools, editors and operating systems into one deduplicated file, optionally test paths against it. Template ids: node, python, django, jupyter, java, maven, gradle, kotlin, android, go, rust, rub…
hmacCompute an HMAC (RFC 2104) with SHA-256, SHA-1, SHA-384 or SHA-512 and return it in hex, Base64 and Base64url. Optionally build a GitHub, Stripe or Slack webhook signature, and check an expected signature with a constant-time comparison. Returns: JSON { algorithm, hex, base64, b…
http_statusLook up HTTP status codes: meaning, defining RFC section (RFC 9110 and others from the IANA registry), when to send it and common pitfalls. Pass a code (404), a class (5xx) or words (rate limit). Unofficial nginx and Cloudflare codes are included and flagged. Returns: JSON { que…
js_beautifyFormat JavaScript, TypeScript or JSX with js-beautify, or minify JavaScript/TypeScript by removing comments and whitespace (no renaming, no rewriting; line breaks are kept where automatic semicolon insertion needs them). The output is re-lexed and compared token by token with th…
json_schema_validateValidate a JSON document against a JSON Schema (drafts 06, 07, 2019-09 and 2020-12, via Ajv, all errors reported with JSON Pointer paths and formats such as date-time, email, uuid, ipv4/ipv6 checked), or infer a starter schema from sample JSON. Leave `schema` empty to infer. Ret…
markdown_tableTurn CSV, TSV (spreadsheet paste) or an existing Markdown table into a GitHub Flavored Markdown table. The first row is the header; pipes are escaped as \|, line breaks inside cells become <br>, and columns can be padded so the pipes line up (CJK-width aware). Returns: Text: the…
mime_lookupFind the MIME (media) type for a file extension or file name, or the extensions for a MIME type. Returns the type, whether it is IANA-registered, aliases, notes and the Content-Type header to send. Returns: JSON { query, matchedBy: 'extension'|'mime'|'text', count, results[] } w…
morse_codeTranslate text to International Morse code (ITU-R M.1677-1) or Morse back to text. Letters are separated by spaces and words by ' / '. Wrap prosigns in angle brackets (<SOS>, <AR>, <SK>). Also returns the transmission time at a given speed in words per minute, with optional Farn…
nato_phoneticSpell text with the ICAO/NATO radiotelephony alphabet (Alfa, Bravo, Charlie...), with ICAO number words (Tree, Fower, Fife, Niner) or plain ones, optional Capital/Lowercase markers for passwords, or decode code words back to text. Same rules as redbison.dev/nato-phonetic-alphabe…
password_strengthEstimate how guessable a password is with zxcvbn pattern matching (dictionary words, common passwords, keyboard walks, sequences, dates, l33t). Returns a 0-4 score, estimated guesses, entropy in bits, crack times for online and offline attacks, warnings, suggestions and NIST SP…
readabilityScore English text with Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Coleman-Liau and the Automated Readability Index, and list hard sentences, passive voice, -ly adverbs and wordy phrases with plainer alternatives. Syllables are estimated with rules plus an exc…
redirect_rulesGenerate 301/302/307/308 redirect rules for Apache .htaccess (mod_rewrite), nginx, Netlify _redirects or vercel.json from a list of 'source destination [code]' lines. A source ending in /* moves a whole folder. Also checks for loops, chains and duplicates and can add HTTPS and w…
toml_convertConvert between TOML 1.0, JSON and YAML, validating the input. TOML dates become RFC 3339 strings in JSON; nulls are dropped when writing TOML (it has no null) and reported; integers beyond 2^53 are kept exact; inf and nan become strings in JSON. Use from=toml,to=toml to validat…
user_agent_parseParse a User-Agent header into browser, engine, OS, device type, vendor, model and CPU (ua-parser-js), and detect search, AI, social, SEO and monitoring bots and HTTP libraries. Notes explain User-Agent reduction limits such as Windows 11 reporting as Windows NT 10.0. Returns: J…
utm_buildAdd Google Analytics UTM parameters (utm_source, utm_medium, utm_campaign, utm_id, utm_term, utm_content) to a landing page URL. Keeps existing query parameters and the #fragment, lowercases values by default, and predicts the GA4 default channel group. Returns: JSON { url, para…
Details
| Endpoint | https://mcp.redbison.dev (Streamable HTTP) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | dev.redbison/mcp |
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