TinyFn MCP MCP server
TinyFn provides over 500 deterministic utility tools for AI agents via the Model Context Protocol, covering categories like math, string manipulation, validation, hashing, and encoding to prevent LLM hallucinations.
Endpoint and access
No sign-in: your client connects and lists tools immediately, with no account or key.
No sign-inEndpoint checked 2026-10-05
MCP endpoint (Streamable HTTP)
https://api.tinyfn.io/mcp/all/What you can do with it
- Count characters in a string precisely
- Validate email addresses and URLs
- Convert units like temperature or weight
- Generate secure passwords or UUIDs
is_evenis_oddis_primeis_positiveis_negativeis_zerois_integeris_divisibleis_perfect_squareis_fibonaccifactorialfibonaccigcdlcmabsolute_valuesquare_rootpowerpercentageaverageround_numberclampdistancesincostandeg_to_radrad_to_degaddsubtractmultiplydividemodulologlog10log2expfloorceilminimummaximumsum_numberssigntruncatehypotenusecubecube_rootsquarenth_rootcomparecompare_decimalsrank_numbersis_betweenreverse_stringuppercaselowercasecapitalizetitle_casesentence_casecamel_casesnake_casekebab_casepascal_casestring_lengthword_counttrimtruncate_2padrepeatreplacecontainsstarts_withends_withsplitjoinslugis_palindromecount_charcount_substringcount_all_charsremove_whitespacenormalize_whitespaceis_emptyextract_numbersextract_emailsextract_urlscelsius_to_fahrenheitfahrenheit_to_celsiuscelsius_to_kelvinkelvin_to_celsiusmeters_to_feetfeet_to_meterskilometers_to_milesmiles_to_kilometersinches_to_centimeterscentimeters_to_incheskilograms_to_poundspounds_to_kilogramsounces_to_gramsgrams_to_ouncesstone_to_kilogramsliters_to_gallons_usgallons_us_to_litersliters_to_gallons_ukgallons_uk_to_litersmilliliters_to_fluid_ouncescups_to_millilitersmilliliters_to_cupssquare_meters_to_square_feetsquare_feet_to_square_metersacres_to_hectaresmph_to_kphkph_to_mphmeters_per_second_to_mphknots_to_kphbytes_to_humankilobytes_to_megabytesmegabytes_to_gigabytesdecimal_to_binarybinary_to_decimaldecimal_to_hexadecimalhexadecimal_to_decimaldecimal_to_octalhex_to_rgbrgb_to_hexhours_to_minutesminutes_to_secondsseconds_to_hmsgenerate_uuidgenerate_uuid_v7random_numberrandom_floatrandom_stringgenerate_passwordgenerate_tokengenerate_hashgenerate_loremgenerate_colorroll_diceflip_coinshuffle_listpick_randomgenerate_sequencevalidate_emailvalidate_urlvalidate_phonevalidate_credit_cardvalidate_uuidvalidate_ipvalidate_macvalidate_jsonvalidate_hexvalidate_base64validate_alphanumericvalidate_password_strengthvalidate_datevalidate_domainvalidate_semverget_nowconvert_timestampconvert_timestamp_msdate_to_timestampformat_dateparse_dateadd_timesubtract_timedate_diffis_leap_yeardays_in_monthweek_numberday_of_yearis_weekendcalculate_agerelative_timecurrent_timeconvert_timezonetime_differenceadd_time_2subtract_time_2start_of_periodend_of_periodis_leap_year_2days_in_month_2week_number_2get_quarterbusiness_daysadd_business_dayscalculate_age_2list_timezonesunix_to_datetimedatetime_to_unixbase64_encodebase64_decodeurl_encodeurl_decodehtml_encodehtml_decodehex_encodehex_decodebinary_encodebinary_decodeascii_encodeascii_decoderot13morse_encodemorse_decodejson_minifyjson_prettifyjwt_decodepunycode_encodepunycode_decodehash_md5hash_sha1hash_sha256hash_sha384hash_sha512hash_sha3_256hash_sha3_512hash_blake2bhash_blake2shmac_sha256hmac_sha512hmac_md5compare_hasheshash_allhash_crc32hash_adler32identify_hashfile_checksum_guidegenerate_hmacmd5_checksumsha1_checksumsha256_checksumsha512_checksumpassword_entropyrandom_bytesconstant_time_compareverify_hashcrc32_checksumadler32_checksumanalyze_passwordgenerate_password_2generate_passphrasegenerate_pinestimate_hash_timeis_common_passwordsuggest_improvementsleetspeak_passwordgenerate_memorablevalidate_ip_2ip_infoip_to_integerinteger_to_ipnetwork_infoip_in_networksubnet_calculatorsupernet_calculatorrange_to_cidrexpand_cidris_private_ipipv4_to_ipv6ipv6_to_ipv4ip_to_binarynetmask_to_cidrcidr_to_netmaskvalidate_json_2prettify_jsonminify_jsonget_keysget_valuesget_json_pathflatten_jsonunflatten_jsonjson_diffmerge_jsonjson_statsget_json_typejson_to_query_stringquery_string_to_jsonreadability_scoreextract_keywordstext_similaritylevenshtein_distancesoundexmetaphonegenerate_ngramsbasic_sentimentgenerate_acronymget_initialsmask_textlorem_wordssmart_title_caseremove_duplicate_wordsslugifydeslugifyis_valid_slugurl_encode_2url_decode_2parse_urlbuild_urlnormalize_urlextract_domainis_valid_urljoin_pathadd_query_paramremove_query_paramfilename_safeto_camel_caseto_pascal_caseto_snake_caseto_screaming_snake_caseto_kebab_caseto_train_caseto_title_caseto_sentence_caseto_upper_caseto_lower_caseswap_casecapitalize_textto_dot_caseto_path_caseto_constant_caseto_header_caseto_alternating_caseinverse_casedetect_caseconvert_all_casesformat_numberformat_currencyformat_percentageformat_ordinalnumber_to_wordsnumber_to_romanroman_to_numberformat_bytesformat_phoneformat_credit_cardformat_ssnformat_durationformat_relative_timeformat_truncateformat_listhex_to_hslhsl_to_hexhex_to_hsvhsv_to_hexhex_to_cmykcmyk_to_hexlighten_colordarken_colorsaturate_colordesaturate_colorgrayscale_colorinvert_colorcomplement_colortriadic_colorsanalogous_colorssplit_complementary_colorstetradic_colorscontrast_ratioget_luminanceblend_colorsgenerate_gradientgenerate_shadesgenerate_tintsrandom_coloris_valid_hexname_to_hexcidr_infosubnet_mask_infoip_in_rangeport_infohttp_method_infoparse_url_2build_url_2ipv4_to_ipv6_2private_ip_rangeshaversine_distancecalculate_bearingcalculate_midpointdestination_pointdms_to_decimaldecimal_to_dmsis_valid_coordinatesbounding_boxpoint_in_polygongeohash_encodegeohash_dec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Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
Claude Code configuration
claude mcp add --transport http tinyfn-mcp https://api.tinyfn.io/mcp/all/Codex
Codex configuration
codex mcp add tinyfn-mcp --url https://api.tinyfn.io/mcp/all/Cursor
Cursor configuration
{
"mcpServers": {
"tinyfn-mcp": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}Cline
Cline configuration
{
"mcpServers": {
"tinyfn-mcp": {
"type": "streamableHttp",
"url": "https://api.tinyfn.io/mcp/all/",
"disabled": false
}
}
}VS Code
VS Code configuration
{
"servers": {
"tinyfn-mcp": {
"type": "http",
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}Gemini CLI
Gemini CLI configuration
gemini mcp add --transport http tinyfn-mcp https://api.tinyfn.io/mcp/all/Claude Desktop
Claude Desktop configuration
{
"mcpServers": {
"tinyfn-mcp": {
"url": "https://api.tinyfn.io/mcp/all/"
}
}
}Windsurf
Windsurf configuration
{
"mcpServers": {
"tinyfn-mcp": {
"serverUrl": "https://api.tinyfn.io/mcp/all/"
}
}
}Other developer tools servers
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