TinyFn is a remote MCP server that gives an AI agent 400 tools, among them absolute_value, acres_to_hectares, add. It answers at https://api.tinyfn.io/mcp/all/ over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 24 October 2026, succeeded.
500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
absolute_value | Get the absolute value of a number. Inputs: number |
acres_to_hectares | Convert acres to hectares. Inputs: acres |
add | Add two or more numbers together. Inputs: numbers |
add_business_days | Add business days to a date. Inputs: start_date, days |
add_query_param | Add a query parameter to a URL. Inputs: url, key, value |
add_time | Add time to a date. Inputs: date, days, hours, minutes, seconds, weeks |
add_time_2 | Add time to a datetime. Inputs: datetime_str, days, hours, minutes, seconds |
adler32_checksum | Calculate Adler-32 checksum. Inputs: text |
analogous_colors | Get analogous colors (adjacent colors on color wheel). Inputs: hex_color |
analyze_password | Analyze password strength and characteristics. Inputs: password |
array_difference | Get difference of two arrays (items in array1 not in array2). Inputs: array1, array2 |
array_first | Get first n items from array. Inputs: items, n |
array_intersection | Get intersection of two arrays. Inputs: array1, array2 |
array_reverse | Reverse an array. Inputs: items |
array_rotate | Rotate an array by n positions. Inputs: items, positions |
array_symmetric_difference | Get symmetric difference (items in either but not both). Inputs: array1, array2 |
array_union | Get union of two arrays. Inputs: array1, array2 |
ascii_decode | Convert ASCII codes to text. Inputs: codes |
ascii_encode | Get ASCII codes for text. Inputs: text |
average | Calculate the average of a list of numbers. Inputs: numbers |
base64_decode | Decode base64 to text. Inputs: encoded |
base64_encode | Encode text to base64. Properly handles Unicode. Inputs: text |
basic_sentiment | Basic sentiment analysis using word lists. Inputs: text |
binary_decode | Decode binary to text. Inputs: binary |
binary_encode | Encode text to binary. Inputs: text |
binary_to_decimal | Convert binary to decimal. Inputs: binary |
blend_colors | Blend two colors together. Inputs: color1, color2, weight |
bounding_box | Calculate bounding box around a point. Inputs: lat, lon, radius, unit |
build_url | Build a URL from components. Inputs: base, path, params |
build_url_2 | Build a URL from components. Inputs: scheme, host, port, path, query |
business_days | Count business days between two dates (excluding weekends). Inputs: start_date, end_date |
bytes_to_human | Convert bytes to human-readable format. Inputs: bytes_val |
calculate_age | Calculate age from birthdate. Inputs: birthdate |
calculate_age_2 | Calculate age from birthdate. Inputs: birthdate, as_of |
calculate_bearing | Calculate bearing (direction) between two coordinates. Inputs: lat1, lon1, lat2, lon2 |
calculate_midpoint | Calculate geographic midpoint between two coordinates. Inputs: lat1, lon1, lat2, lon2 |
camel_case | Convert text to camelCase. Inputs: text |
capitalize | Capitalize the first letter of each word. Inputs: text |
capitalize_text | Capitalize first letter only. Inputs: text |
ceil | Round up to nearest integer. Inputs: number |
celsius_to_fahrenheit, celsius_to_kelvin, centimeters_to_inches, cidr_info, cidr_to_netmask, clamp, cmyk_to_hex, compare, compare_decimals, compare_hashes, complement_color, constant_time_compare, contains, contrast_ratio, convert_all_cases, convert_timestamp, convert_timestamp_ms, convert_timezone, cos, count_all_chars, count_char, count_substring, crc32_checksum, cube, cube_root, cups_to_milliliters, current_time, darken_color, date_diff, date_to_timestamp, datetime_to_unix, day_of_year, days_in_month, days_in_month_2, decimal_to_binary, decimal_to_dms, decimal_to_hexadecimal, decimal_to_octal, deg_to_rad, desaturate_color, deslugify, destination_point, detect_case, distance, divide, dms_to_decimal, end_of_period, ends_with, estimate_hash_time, exp, expand_cidr, extract_domain, extract_emails, extract_keywords, extract_numbers, extract_urls, factorial, fahrenheit_to_celsius, feet_to_meters, fibonacci, file_checksum_guide, filename_safe, flatten_json, flip_coin, floor, format_bytes, format_credit_card, format_currency, format_date, format_duration, format_list, format_number, format_ordinal, format_percentage, format_phone, format_relative_time, format_ssn, format_truncate, gallons_uk_to_liters, gallons_us_to_liters, gcd, generate_acronym, generate_color, generate_gradient, generate_hash, generate_hmac, generate_lorem, generate_memorable, generate_ngrams, generate_passphrase, generate_password, generate_password_2, generate_pin, generate_sequence, generate_shades, generate_tints, generate_token, generate_uuid, generate_uuid_v7, geohash_decode, geohash_encode, get_initials, get_json_path, get_json_type, get_keys, get_luminance, get_now, get_quarter, get_values, grams_to_ounces, grayscale_color, hash_adler32, hash_all, hash_blake2b, hash_blake2s, hash_crc32, hash_md5, hash_sha1, hash_sha256, hash_sha384, hash_sha3_256, hash_sha3_512, hash_sha512, haversine_distance, hex_decode, hex_encode, hex_to_cmyk, hex_to_hsl, hex_to_hsv, hex_to_rgb, hexadecimal_to_decimal, hmac_md5, hmac_sha256, hmac_sha512, hours_to_minutes, hsl_to_hex, hsv_to_hex, html_decode, html_encode, http_method_info, hypotenuse, identify_hash, inches_to_centimeters, integer_to_ip, inverse_case, invert_color, ip_in_network, ip_in_range, ip_info, ip_to_binary, ip_to_integer, ipv4_to_ipv6, ipv4_to_ipv6_2, ipv6_to_ipv4, is_between, is_common_password, is_divisible, is_empty, is_even, is_fibonacci, is_integer, is_leap_year, is_leap_year_2, is_negative, is_odd, is_palindrome, is_perfect_square, is_positive, is_prime, is_private_ip, is_subset, is_valid_coordinates, is_valid_hex, is_valid_slug, is_valid_url, is_weekend, is_zero, join, join_path, json_diff, json_minify, json_prettify, json_stats, json_to_query_string, jwt_decode, kebab_case, kelvin_to_celsius, kilobytes_to_megabytes, kilograms_to_pounds, kilometers_to_miles, knots_to_kph, kph_to_mph, lcm, leetspeak_password, levenshtein_distance, lighten_color, list_timezones, liters_to_gallons_uk, liters_to_gallons_us, log, log10, log2, lorem_words, lowercase, mask_text, maximum, md5_checksum, megabytes_to_gigabytes, merge_json, metaphone, meters_per_second_to_mph, meters_to_feet, miles_to_kilometers, milliliters_to_cups, milliliters_to_fluid_ounces, minify_json, minimum, minutes_to_seconds, modulo, morse_decode, morse_encode, mph_to_kph, multiply, name_to_hex, netmask_to_cidr, network_info, normalize_url, normalize_whitespace, nth_root, number_to_roman, number_to_words, ounces_to_grams, pad, parse_date, parse_url, parse_url_2, pascal_case, password_entropy, percentage, pick_random, point_in_polygon, polygon_area, polygon_centroid, polyline_length, port_info, pounds_to_kilograms, power, prettify_json, private_ip_ranges, punycode_decode, punycode_encode, query_string_to_json, rad_to_deg, random_bytes, random_color, random_float, random_number, random_string, range_to_cidr, rank_numbers, readability_score, relative_time, remove_duplicate_words, remove_query_param, remove_whitespace, repeat, replace, reverse_string, rgb_to_hex, roll_dice, roman_to_number, rot13, round_number, saturate_color, seconds_to_hms, sentence_case, sha1_checksum, sha256_checksum, sha512_checksum, shuffle_list, sign, sin, slug, slugify, smart_title_case, snake_case, soundex, split, split_complementary_colors, square, square_feet_to_square_meters, square_meters_to_square_feet, square_root, start_of_period, starts_with, stone_to_kilograms, string_length, subnet_calculator, subnet_mask_info, subtract, subtract_time, subtract_time_2, suggest_improvements, sum_numbers, sun_position, supernet_calculator, swap_case, tan, tetradic_colors, text_similarity, time_difference, timezone_offset, title_case, to_alternating_case, to_camel_case, to_constant_case, to_dot_case, to_header_case, to_kebab_case, to_lower_case, to_pascal_case, to_path_case, to_screaming_snake_case, to_sentence_case, to_snake_case, to_title_case, to_train_case, to_upper_case, triadic_colors, trim, truncate, truncate_2, unflatten_json, unix_to_datetime, uppercase, url_decode, url_decode_2, url_encode, url_encode_2, validate_alphanumeric, validate_base64, validate_credit_card, validate_date, validate_domain, validate_email, validate_hex, validate_ip, validate_ip_2, validate_json, validate_json_2, validate_mac, validate_password_strength, validate_phone, validate_semver, validate_url, validate_uuid, verify_hash, week_number, week_number_2, word_count
Every block below points at https://api.tinyfn.io/mcp/all/. Pick your client and copy.
claude mcp add --transport http tinyfn https://api.tinyfn.io/mcp/all/
{
"mcpServers": {
"tinyfn": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://api.tinyfn.io/mcp/all/"]
}
}
}{
"mcpServers": {
"tinyfn": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"servers": {
"tinyfn": {
"type": "http",
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"context_servers": {
"tinyfn": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"mcpServers": {
"tinyfn": {
"serverUrl": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"mcpServers": {
"tinyfn": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}name: TinyFn
version: 0.0.1
schema: v1
mcpServers:
- name: TinyFn
type: streamable-http
url: https://api.tinyfn.io/mcp/all/{
"mcpServers": {
"tinyfn": {
"httpUrl": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"mcpServers": {
"tinyfn": {
"type": "http",
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}{
"mcpServers": {
"tinyfn": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}goose://extension?url=https%3A%2F%2Fapi.tinyfn.io%2Fmcp%2Fall%2F&type=streamable_http&id=tinyfn&name=TinyFn
It answered our last check on 24 October 2026 in 322 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by tinyfn.io and served from api.tinyfn.io, the vendor's own domain: https://api.tinyfn.io/mcp/all/.
400, as returned by the server's own tools/list on 22 September 2026: absolute_value, acres_to_hectares, add, add_business_days, add_query_param, add_time, add_time_2, adler32_checksum, and 392 more.
It answered our last check on 24 October 2026 in 322 ms. Over 6 checks since 11 September 2026 it answered 6.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://api.tinyfn.io/mcp/all/. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: io.tinyfn. Endpoint host: api.tinyfn.io. ARD identifier: urn:air:io.tinyfn:mcp:tinyfn.
First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.