MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

HelpySelf

More than a hundred everyday tools: PDFs, images, text, data, calculators, dice and currency.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
917 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
133

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 917 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name helpyself.

  • Pass
    Lists tools

    tools/list returned 133 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 917 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 917 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    575 of 575 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-10-15T20:16:44.70488Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using HelpySelf

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

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

Capabilities

Tools 133

Showing 100 of 133 tools.

age_calculator

An age calculator: your exact age in years, months and days, from a date of birth. A HelpySelf tool (helpyself.com).

Discovered
app_background_preview

Find the app background image size that survives on every phone and tablet. A HelpySelf tool (helpyself.com).

Discovered
ascii_table

The full ASCII table, with the control codes explained rather than left blank. A HelpySelf tool (helpyself.com).

Discovered
aspect_ratio_calculator

Find the aspect ratio of any size, or the width or height that keeps a ratio. A HelpySelf tool (helpyself.com).

Discovered
auto_redact_pdf

Auto redact PDF files: it finds the personal information, you confirm, the words are deleted. A HelpySelf tool (helpyself.com).

Discovered
average_calculator

A mean median mode calculator, with standard deviation and the spread. A HelpySelf tool (helpyself.com).

Discovered
avif_converter

AVIF to JPG, and JPG to AVIF — the format that halves a photograph. A HelpySelf tool (helpyself.com).

Discovered
background_remover

Remove the background from an image — solid backgrounds go transparent, in your browser. A HelpySelf tool (helpyself.com).

Discovered
barcode_generator

A barcode generator for EAN-13, UPC-A, EAN-8 and Code 128 — check digit included. A HelpySelf tool (helpyself.com).

Discovered
barcode_reader

A barcode scanner online — read a barcode or QR code from a photo or screenshot. A HelpySelf tool (helpyself.com).

Discovered
base64

Base64 encode and decode text instantly, with full Unicode support. A HelpySelf tool (helpyself.com).

Discovered
binary_translator

A binary translator both ways — binary to text, text to binary, hex and decimal too. A HelpySelf tool (helpyself.com).

Discovered
bmi_calculator

A BMI calculator in metric or imperial, worked out in your browser. A HelpySelf tool (helpyself.com).

Discovered
body_fat_calculator

A body fat calculator that works from a tape measure, using the US Navy method. A HelpySelf tool (helpyself.com).

Discovered
bracket_maker

Type in the players, get a knockout bracket, and share one link everyone follows as the rounds are played. A HelpySelf tool (helpyself.com).

Discovered
braille_translator

A braille translator both ways — text to Grade 1 braille, and braille back to text. A HelpySelf tool (helpyself.com).

Discovered
bulk_image_resizer

A bulk image resizer for a whole folder at once, in your browser. A HelpySelf tool (helpyself.com).

Discovered
business_days

Count forward or back a number of working days and see where you land. A HelpySelf tool (helpyself.com).

Discovered
calorie_calculator

Work out how many calories you burn a day, and what to eat for a goal. A HelpySelf tool (helpyself.com).

Discovered
case_converter

A text case converter: camelCase, snake_case, kebab-case and more. A HelpySelf tool (helpyself.com).

Discovered
checksum_verifier

A checksum verifier: paste the published SHA-256 and check your download matches. A HelpySelf tool (helpyself.com).

Discovered
coin_flip

A coin toss you can trust — heads or tails, from real randomness. A HelpySelf tool (helpyself.com).

Discovered
color_converter

A colour converter: HEX to RGB, RGB to HEX, and either to HSL. A HelpySelf tool (helpyself.com).

Discovered
compare_two_lists

Compare two lists and see what is only in one, only in the other, and in both. A HelpySelf tool (helpyself.com).

Discovered
compound_interest

A compound interest calculator with regular deposits and any compounding frequency. A HelpySelf tool (helpyself.com).

Discovered
compress_to_size

Compress image to 100KB, 1MB, or whatever exact size the form demands. A HelpySelf tool (helpyself.com).

Discovered
contrast_checker

A colour contrast checker for WCAG accessibility levels. A HelpySelf tool (helpyself.com).

Discovered
contrast_fixer

A colour contrast fixer — the nearest accessible colour that passes WCAG AA. A HelpySelf tool (helpyself.com).

Discovered
contrast_grid

A contrast grid for your whole palette — every pairing checked against WCAG. A HelpySelf tool (helpyself.com).

Discovered
cookie_checker

A cookie checker that shows what a website sets, and whether Secure, HttpOnly and SameSite are on. A HelpySelf tool (helpyself.com).

Discovered
countdown_timer

A 5 minute timer, a 10 minute timer, or any timer online — with an alarm. A HelpySelf tool (helpyself.com).

Discovered
cron_expression

Read a cron expression in plain English, and see exactly when it will next run. A HelpySelf tool (helpyself.com).

Discovered
csv_to_json

CSV to JSON and back — turn a spreadsheet export into clean, readable JSON. A HelpySelf tool (helpyself.com).

Discovered
currency_converter

An exchange rate calculator using the European Central Bank's official daily rate A HelpySelf tool (helpyself.com).

Discovered
date_difference

How many days between two dates — plus weeks, months and working days. A HelpySelf tool (helpyself.com).

Discovered
days_until_christmas

How many days until Christmas — counted in sleeps, not hours, and right across time zones. A HelpySelf tool (helpyself.com).

Discovered
delisted_games

Check whether a Steam game has been delisted — and when it went A HelpySelf tool (helpyself.com).

Discovered
dice_roller

A dice roller for any number of sides, rolled in your browser. A HelpySelf tool (helpyself.com).

Discovered
dog_age_calculator

Dog years to human years by size, the way vets count them, not times seven. A HelpySelf tool (helpyself.com).

Discovered
duplicate_line_remover

Remove duplicate lines, blanks and stray spaces from a list in one pass. A HelpySelf tool (helpyself.com).

Discovered
event_photo_sharing

Collect your guests' photos in one album: print a QR code, they scan it and add theirs. Weddings, birthdays, parties. A HelpySelf tool (helpyself.com).

Discovered
excel_to_pdf

Convert an Excel spreadsheet to PDF in your browser, with its dates, totals and column widths intact. A HelpySelf tool (helpyself.com).

Discovered
exif_remover

See what your photos reveal, then remove the EXIF data — without uploading them. A HelpySelf tool (helpyself.com).

Discovered
favicon_generator

A favicon generator that turns any image into a complete set. A HelpySelf tool (helpyself.com).

Discovered
find_a_time

Propose a few times, send one link, see when everybody can make it A HelpySelf tool (helpyself.com).

Discovered
fraction_calculator

A fraction calculator for adding, subtracting, multiplying and dividing — exactly. A HelpySelf tool (helpyself.com).

Discovered
fuel_cost_calculator

A fuel cost calculator for any drive — your units, your currency, split however you like. A HelpySelf tool (helpyself.com).

Discovered
game_collection

Know what you own, share the list, and stop buying games you already have. A HelpySelf tool (helpyself.com).

Discovered
gif_compressor

Compress a GIF by the only three things a GIF has — frames, colours and size. Nothing uploaded. A HelpySelf tool (helpyself.com).

Discovered
gpa_calculator

A GPA calculator on the 4.0 scale, weighted by the credits each course is worth. A HelpySelf tool (helpyself.com).

Discovered
gradient_generator

A CSS gradient generator for linear, radial and conic — copy the code straight out. A HelpySelf tool (helpyself.com).

Discovered
hash_generator

A hash generator for SHA-1, SHA-256, SHA-384 and SHA-512. A HelpySelf tool (helpyself.com).

Discovered
http_status_codes

Every HTTP status code, what it means and when to send it — with the RFC that defines it. A HelpySelf tool (helpyself.com).

Discovered
iban_validator

An IBAN checker that validates the country, the length and the check digits — and says which failed. A HelpySelf tool (helpyself.com).

Discovered
image_compressor

Compress a JPEG, PNG or WebP to a smaller file, choosing quality or a target size. AVIF, HEIC, TIFF and BMP are browser-only and not accepted here. A HelpySelf tool (helpyself.com).

Discovered
image_converter

Convert between JPEG, PNG and WebP, one file or many, with transparency flattened onto a colour you choose. HEIC and AVIF are browser-only and not accepted here. A HelpySelf tool (helpyself.com).

Discovered
image_cropper

Crop image online — drag the box, or type an exact size in pixels. A HelpySelf tool (helpyself.com).

Discovered
image_resizer

A photo resizer for any size — JPEG, PNG, WebP or an iPhone HEIC. A HelpySelf tool (helpyself.com).

Discovered
image_to_text

Image to text: read the words out of a photo — receipts, screenshots, handwriting. A HelpySelf tool (helpyself.com).

Discovered
images_to_pdf

JPG to PDF and PNG to PDF — photos to PDF, in the order you choose. A HelpySelf tool (helpyself.com).

Discovered
invisible_character

Copy an invisible character in one press — or paste text to find the hidden ones in it. A HelpySelf tool (helpyself.com).

Discovered
invoice_generator

A free invoice generator that makes a real PDF — no watermark, no sign-up. A HelpySelf tool (helpyself.com).

Discovered
json_formatter

A JSON formatter that validates and beautifies instantly — or minifies. A HelpySelf tool (helpyself.com).

Discovered
jwt_decoder

A JWT decoder that inspects JSON Web Tokens safely. A HelpySelf tool (helpyself.com).

Discovered
loan_calculator

A loan calculator for the monthly payment, and how much of it is interest. A HelpySelf tool (helpyself.com).

Discovered
lorem_ipsum

A lorem ipsum generator for placeholder text in mockups and layouts. A HelpySelf tool (helpyself.com).

Discovered
mac_address_lookup

A MAC address lookup that names the manufacturer — and says when there isn't one. A HelpySelf tool (helpyself.com).

Discovered
markdown_to_html

Turn Markdown into clean HTML, with a preview you can trust. A HelpySelf tool (helpyself.com).

Discovered
mic_test

A microphone test that answers the real question — will they hear me? A HelpySelf tool (helpyself.com).

Discovered
morse_code_translator

A morse code translator both ways — text to morse code, and morse code to text. A HelpySelf tool (helpyself.com).

Discovered
one_rep_max

A one rep max calculator that shows the training percentages too, not just the number. A HelpySelf tool (helpyself.com).

Discovered
pace_calculator

A running pace calculator: give any two of distance, time and pace to get the third. A HelpySelf tool (helpyself.com).

Discovered
password_generator

A password generator for strong random passwords, in your browser. A HelpySelf tool (helpyself.com).

Discovered
pdf_compress

Reduce PDF size without turning the text into a picture. A HelpySelf tool (helpyself.com).

Discovered
pdf_merge

Merge PDF files into one document. A HelpySelf tool (helpyself.com).

Discovered
pdf_page_numbers

Add page numbers to a PDF — starting where you want, skipping the pages that should stay clean. A HelpySelf tool (helpyself.com).

Discovered
pdf_reorder

Rearrange, rotate and delete pages from a PDF, then save it back out. A HelpySelf tool (helpyself.com).

Discovered
pdf_rotate

Rotate PDF pages the right way up — sideways or upside-down. A HelpySelf tool (helpyself.com).

Discovered
pdf_split

Extract pages from a PDF or split it into separate files. A HelpySelf tool (helpyself.com).

Discovered
pdf_to_excel

Every table in the PDF becomes a sheet, and every figure arrives as a number you can actually add up. A HelpySelf tool (helpyself.com).

Discovered
pdf_to_images

PDF to JPG, PDF to PNG — every page as an image, at the size you need. A HelpySelf tool (helpyself.com).

Discovered
pdf_to_word

Convert PDF to Word — tables, pictures and all — in your browser A HelpySelf tool (helpyself.com).

Discovered
percentage_calculator

A percentage increase calculator — and the other three sums people mean. A HelpySelf tool (helpyself.com).

Discovered
photo_gallery

Share photos online as one link or QR code: a shared photo album with its own layout, pages and password. A HelpySelf tool (helpyself.com).

Discovered
pizza_dough_calculator

Grams of flour, water, salt and yeast for any number of pizzas, by bakers' percentages. A HelpySelf tool (helpyself.com).

Discovered
pregnancy_calculator

A due date calculator that also tells you how many weeks you are today A HelpySelf tool (helpyself.com).

Discovered
pub_to_pdf

Open a Microsoft Publisher .pub file and get its text and photographs back as a PDF. The page reproduces the original layout; this endpoint returns the text in reading order, not the design. A HelpySelf tool (helpyself.com).

Discovered
qr_generator

A QR code generator for any link or text — download it as SVG or PNG. A HelpySelf tool (helpyself.com).

Discovered
random_number_generator

A random number generator for any range, in your browser. A HelpySelf tool (helpyself.com).

Discovered
random_picker

A random picker for a list of names, drawn in your browser. A HelpySelf tool (helpyself.com).

Discovered
random_team_generator

A random team generator — paste a list of names and split it into fair teams. A HelpySelf tool (helpyself.com).

Discovered
ratio_calculator

A ratio calculator: reduce to lowest terms, or find the missing number. A HelpySelf tool (helpyself.com).

Discovered
readability_score

Readability score for any text — Flesch–Kincaid, Gunning fog index and more. A HelpySelf tool (helpyself.com).

Discovered
regex_explainer

A regex explainer: paste a pattern and read what every part of it does, in English. A HelpySelf tool (helpyself.com).

Discovered
regex_tester

A regex tester for regular expressions, run safely against your own text. A HelpySelf tool (helpyself.com).

Discovered
remove_line_breaks

Remove line breaks from text that was hard-wrapped, and keep the paragraphs. A HelpySelf tool (helpyself.com).

Discovered
request_a_file

Request files with a link — they upload to you, with no account and no ads. A HelpySelf tool (helpyself.com).

Discovered
roman_numerals

A Roman numeral converter — numbers to numerals, and numerals back to numbers. A HelpySelf tool (helpyself.com).

Discovered
salary_calculator

A salary calculator that goes hourly to annual and back — the same pay written every way, before tax. A HelpySelf tool (helpyself.com).

Discovered
screen_recorder

Record your screen in the browser — nothing is uploaded anywhere A HelpySelf tool (helpyself.com).

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected917 ms133