hopi_contrast_checker — hopi MCP Tool
hopi_contrast_checker
(hopi contrast checker) is one of 195 tools on the
hopi
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call hopi_contrast_checker from your client
- Claude Code hopi hopi_contrast_checker run in your project directory
- Claude Desktop hopi hopi_contrast_checker ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor hopi hopi_contrast_checker ~/.cursor/mcp.json
- VS Code hopi hopi_contrast_checker .vscode/mcp.json
- Zed hopi hopi_contrast_checker ~/.config/zed/settings.json
- Windsurf hopi hopi_contrast_checker ~/.codeium/windsurf/mcp_config.json
- Cline hopi hopi_contrast_checker ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI hopi hopi_contrast_checker ~/.gemini/settings.json
- Grok hopi hopi_contrast_checker .mcp.json (in your project root)
- ChatGPT hopi hopi_contrast_checker Settings → Connectors → Advanced → Developer mode
- Claude.ai hopi hopi_contrast_checker Settings → Connectors → Add custom connector
- LangChain hopi hopi_contrast_checker pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http hopi https://mcp.hopi.co.uk/mcpOther tools on this server
- hopi_add_working_days
- hopi_age_calculator
- hopi_alcohol_unit_calculator
- hopi_alphabetical_order
- hopi_angle_converter
- hopi_area_converter
- hopi_aspect_ratio_calculator
- hopi_average_calculator
- hopi_base32_encoder
- hopi_base64
- hopi_bill_splitter
- hopi_bingo_card_generator
- hopi_bitcoin_address_validator
- hopi_bmi_calculator
- hopi_body_fat_calculator
- hopi_caesar_cipher
- hopi_cagr_calculator
- hopi_calories_to_kj
- hopi_case_converter
- hopi_cat_age_calculator
- hopi_celsius_to_fahrenheit
- hopi_character_counter
- hopi_cipher_identifier
- hopi_cm_to_feet
- hopi_cmyk_to_rgb
- hopi_coin_flip
- hopi_colour_name_finder
- hopi_colour_palette_generator
- hopi_colour_picker
- hopi_colour_shades_generator
- hopi_combination_generator
- hopi_compound_interest_calculator
- hopi_cron_expression_parser
- hopi_crypto_profit_calculator
- hopi_css_gradient_generator
- hopi_css_minifier
- hopi_csv_to_json
- hopi_cups_to_grams
- hopi_currency_converter
- hopi_data_size_converter
- hopi_date_calculator
- hopi_day_of_week_calculator
- hopi_day_rate_calculator
- hopi_days_between_dates
- hopi_days_until_christmas
- hopi_dca_calculator
- hopi_dice_roller
- hopi_diff_checker
- hopi_discount_calculator
- hopi_dog_age_calculator
- hopi_download_time_calculator
- hopi_due_date_calculator
- hopi_dummy_data_generator
- hopi_email_link_generator
- hopi_emoji_remover
- hopi_energy_cost_calculator
- hopi_env_to_json
- hopi_eth_address_checksum
- hopi_eth_unit_converter
- hopi_euromillions_generator
- hopi_event_wine_calculator
- hopi_fortune_cookie
- hopi_fraction_calculator
- hopi_fraction_to_decimal
- hopi_fuel_cost_calculator
- hopi_hash_generator
- hopi_hash_identifier
- hopi_heart_rate_zones
- hopi_hex_to_rgb
- hopi_holiday_entitlement_calculator
- hopi_hourly_to_salary
- hopi_hours_calculator
- hopi_hsl_converter
- hopi_html_escape
- hopi_http_status_codes
- hopi_iban_validator
- hopi_ics_generator
- hopi_inflation_calculator
- hopi_json_formatter
- hopi_json_to_csv
- hopi_json_to_typescript
- hopi_json_yaml_converter
- hopi_jwt_decoder
- hopi_kg_to_stone
- hopi_leap_year_checker
- hopi_length_converter
- hopi_litres_to_pints
- hopi_loan_calculator
- hopi_lorem_ipsum_generator
- hopi_lottery_number_generator
- hopi_magic_8_ball
- hopi_margin_calculator
- hopi_markdown_previewer
- hopi_market_cap_calculator
- hopi_meta_tag_generator
- hopi_miles_to_km
- hopi_military_time_converter
- hopi_minutes_to_hours
- hopi_moon_phase_calculator
- hopi_morse_code_translator
- hopi_mortgage_calculator
- hopi_mortgage_overpayment_calculator
- hopi_mpg_converter
- hopi_national_insurance_calculator
- hopi_nato_phonetic_alphabet
- hopi_net_to_gross
- hopi_number_base_converter
- hopi_number_to_words
- hopi_oven_temperature_converter
- hopi_overtime_pay_calculator
- hopi_password_strength_checker
- hopi_percentage_calculator
- hopi_percentage_change_calculator
- hopi_percentage_decrease_calculator
- hopi_percentage_difference_calculator
- hopi_percentage_increase_calculator
- hopi_position_size_calculator
- hopi_power_converter
- hopi_pressure_converter
- hopi_prime_factorisation_calculator
- hopi_pro_rata_salary_calculator
- hopi_product_feed_generator
- hopi_random_colour_generator
- hopi_random_coordinates
- hopi_random_letter_generator
- hopi_random_number_generator
- hopi_random_team_generator
- hopi_random_word_generator
- hopi_ratio_calculator
- hopi_reading_time_calculator
- hopi_redundancy_pay_calculator
- hopi_remove_duplicate_lines
- hopi_remove_extra_spaces
- hopi_remove_line_breaks
- hopi_reverse_text
- hopi_rgb_to_hex
- hopi_ring_size_converter
- hopi_robots_txt_generator
- hopi_roman_numerals_converter
- hopi_rounding_calculator
- hopi_running_pace_calculator
- hopi_satoshi_converter
- hopi_savings_goal_calculator
- hopi_schema_markup_generator
- hopi_scientific_calculator
- hopi_secret_santa_generator
- hopi_shoe_size_converter
- hopi_sleep_calculator
- hopi_slot_machine_picker
- hopi_slug_generator
- hopi_small_text_generator
- hopi_special_characters
- hopi_speed_converter
- hopi_spin_the_bottle
- hopi_sql_formatter
- hopi_staking_calculator
- hopi_stamp_duty_calculator
- hopi_standard_deviation_calculator
- hopi_star_sign_calculator
- hopi_student_loan_calculator
- hopi_take_home_pay_calculator
- hopi_tarot_reader
- hopi_tdee_calculator
- hopi_test_card_number_generator
- hopi_text_repeater
- hopi_text_splitter
- hopi_time_calculator
- hopi_time_zone_converter
- hopi_tip_calculator
- hopi_triangle_calculator
- hopi_ucas_points_calculator
- hopi_unicode_inspector
- hopi_unit_price_calculator
- hopi_unix_timestamp_converter
- hopi_upside_down_text
- hopi_url_encoder
- hopi_url_parser
- hopi_user_agent_parser
- hopi_username_generator
- hopi_utm_link_generator
- hopi_uuid_generator
- hopi_vat_calculator
- hopi_vigenere_cipher
- hopi_volume_converter
- hopi_water_intake_calculator
- hopi_week_number
- hopi_weight_converter
- hopi_wheel_spinner
- hopi_word_counter
- hopi_word_frequency_counter
- hopi_working_days_calculator
- hopi_would_you_rather_generator
- hopi_yes_no_wheel
- hopi_zero_width_text_hider
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.