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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "plumbkit": {
      "type": "http",
      "url": "https://plumbkit.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${PLUMBKIT_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http plumbkit https://plumbkit.dev/mcp --header "Authorization: Bearer ${PLUMBKIT_TOKEN}"

[mcp_servers.plumbkit]
url = "https://plumbkit.dev/mcp"
bearer_token_env_var = "PLUMBKIT_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "plumbkit": {
      "type": "remote",
      "url": "https://plumbkit.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:PLUMBKIT_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "plumbkit": {
      "type": "http",
      "url": "https://plumbkit.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${PLUMBKIT_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=plumbkit&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcGx1bWJraXQuZGV2L21jcCIsImhlYWRlcnMiOnsiQXV0aG9yaXphdGlvbiI6IkJlYXJlciAke1BMVU1CS0lUX1RPS0VOfSJ9fQ%3D%3D"
}

{
  "servers": {
    "plumbkit": {
      "type": "http",
      "url": "https://plumbkit.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${PLUMBKIT_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "plumbkit": {
      "httpUrl": "https://plumbkit.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${PLUMBKIT_TOKEN}"
      }
    }
  }
}

extensions:
  "plumbkit":
    enabled: true
    name: "plumbkit"
    type: streamable_http
    uri: "https://plumbkit.dev/mcp"
    headers:
      "Authorization": "Bearer ${PLUMBKIT_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${PLUMBKIT_TOKEN}. The registry never accepts secret values.

Quality 89 / 100new

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations16 of 16 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 3,556 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 4 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

16 tools, about 3,556 tokens to load them all · tool set 4031bba236a6 · checked 2026-10-19 15:48 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 81 / 100

no-repository

provenance55

liveness96

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-89% +updated-5d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://plumbkit.dev/mcp` streamable-http	none	yes	89%	292 ms	2025-11-25	2026-10-19

Tools (16)

`business_days`read-only	Works with business (working) days. mode "add": returns the date N business days after start_date (start_date itself is not counted; negative N goes backward; 0 returns start_date, or the next business day if start_date is not one). mode "count": counts business days from start_date to end_date, including both ends. Weekends default to Saturday and Sunday. Public holidays are NOT built in — pass them in "holidays".
`calculate`read-only	Evaluates an arithmetic expression exactly, so you don't have to do mental math. Supports + - * / % ^ (or *), parentheses, constants pi/e/tau and functions: sqrt, cbrt, abs, round(x, digits), floor, ceil, trunc, sign, ln, log(x[, base]), log10, log2, exp, pow, sin, cos, tan, asin, acos, atan, atan2, min, max, hypot, factorial. Trig uses radians. Example: "(1250 1.08^5) - 1250".
`convert_timezone`read-only	Converts a date/time from one time zone to another, correctly handling daylight saving time. If the input already includes an offset or 'Z', from_timezone is ignored.
`convert_units`read-only	Converts a value between units of length, mass, volume (US and imperial), area, speed, time, digital data (KB vs KiB, bits vs bytes), energy, pressure and temperature. Accepts common abbreviations (km, lb, fl oz, mph, °F, GiB). US customary units are used for cup/pint/quart/gallon unless you say imperial.
`current_time`read-only	Returns the exact current date, time, weekday and UTC offset in any time zone. Use this whenever you need to know today's date or the current time instead of guessing — your training data does not know what day it is.
`date_add`read-only	Adds or subtracts a duration (years, months, weeks, days, hours, minutes, seconds) to a date/time. Use negative numbers to subtract. Calendar-aware: adding 1 month to Jan 31 gives Feb 28/29, and adding days keeps the same local clock time across daylight-saving changes.
`date_diff`read-only	Calculates the exact time between two dates/times: a calendar breakdown (years, months, days, hours, minutes, seconds) plus totals in days, hours, minutes and seconds, and the number of calendar days. Negative if end is before start.
`hash_text`read-only	Computes a cryptographic hash (SHA-1, SHA-256, SHA-384, SHA-512) of text, or encodes/decodes it as Base64, Base64URL, hex or URL-encoding. Text is treated as UTF-8.
`json_repair`read-only	Turns almost-JSON into valid JSON: removes markdown code fences, comments and trailing commas, adds missing quotes, commas and closing brackets, converts single quotes, Python True/False/None and truncated output. Returns the repaired JSON string and whether the input was already valid.
`json_schema_validate`read-only	Checks a JSON value against a JSON Schema (drafts 4, 7, 2019-09 and 2020-12) and lists every violation with its location. Use it to confirm structured output or an API payload is correct before sending it. `data` and `schema` may be JSON values or JSON strings.
`regex_test`read-only	Runs a JavaScript regular expression against text and returns every match with its position and capture groups, or the text after replacement. Use it to verify a regex actually works before relying on it.
`text_stats`read-only	Counts exactly what language models are bad at counting: characters (as humans see them), words, lines, sentences, paragraphs, UTF-8 bytes, and occurrences of a letter or substring (e.g. how many "r" in "strawberry"). Use it to check length limits (tweets, SMS, meta descriptions, form fields) before submitting text.
`validate_email`read-only	Checks whether an email address is correctly formatted and returns a normalized version. Set check_dns=true to also confirm the domain exists and can receive mail (MX records). Does not send email and cannot confirm that a specific mailbox exists.
`validate_iban`read-only	Validates an International Bank Account Number: country, length for that country, and the mod-97 check digits. Returns electronic and printed formats. A valid IBAN is correctly formed; this does not confirm the account exists.
`validate_phone`read-only	Validates a phone number using Google's libphonenumber rules and returns it in E.164 (+14155552671), international and national formats, plus the country and line type (mobile, fixed line, toll free...). For numbers without a +country code, pass default_country.
`validate_url`read-only	Checks that a URL is well-formed, normalizes it (lowercase host, punycode, default ports removed, spaces encoded) and splits it into parts including each query parameter. Flags common problems such as missing scheme, private/localhost addresses and credentials embedded in the URL. Does not fetch the URL.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "dev.plumbkit/plumbkit",
  "icons": [
    {
      "src": "https://plumbkit.dev/icon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Plumbkit",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://plumbkit.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. \"Bearer <your API key>\" for paid plans. Without it you get the free daily allowance."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://plumbkit.dev",
  "description": "Exact utilities for agents: time zones, date math, business days, calculator, units, validation."
}