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Equation Steps

R0· no sign-in

Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.

v0.1.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality86good
Trust89of 100
Uptime, 30 days100%
Latency p50889 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "equation-steps": {
      "type": "http",
      "url": "https://equation-steps.gumballtools.com/api/mcp"
    }
  }
}
claude mcp add --transport http equation-steps https://equation-steps.gumballtools.com/api/mcp
[mcp_servers.equation-steps]
url = "https://equation-steps.gumballtools.com/api/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "equation-steps": {
      "type": "remote",
      "url": "https://equation-steps.gumballtools.com/api/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "equation-steps": {
      "type": "http",
      "url": "https://equation-steps.gumballtools.com/api/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=equation-steps&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZXF1YXRpb24tc3RlcHMuZ3VtYmFsbHRvb2xzLmNvbS9hcGkvbWNwIn0%3D"
}
{
  "servers": {
    "equation-steps": {
      "type": "http",
      "url": "https://equation-steps.gumballtools.com/api/mcp"
    }
  }
}
{
  "mcpServers": {
    "equation-steps": {
      "httpUrl": "https://equation-steps.gumballtools.com/api/mcp"
    }
  }
}
extensions:
  "equation-steps":
    enabled: true
    name: "equation-steps"
    type: streamable_http
    uri: "https://equation-steps.gumballtools.com/api/mcp"
    timeout: 300

Quality 86 / 100good

protocol88 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • warn
    protocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every use
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 hygiene79 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • warn
    tools.description_length1 tools have descriptions over 1,024 characters, which crowds the context
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations1 of 1 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: run (destructiveHint, idempotentHint)
  • pass
    tools.token_costabout 532 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 532 tokens to load them all · tool set 947f44d417cc · checked 2026-10-19 20:06 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 89 / 100

duplicate-repo
provenance85
liveness100
freshness85
hygiene80

+repository +dns-namespace +website +reachable +uptime-100% ~updated-43d-ago -duplicate-repo(16 names)

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://equation-steps.gumballtools.com/api/mcp streamable-httpnoneyes100%889 ms2026-07-282026-10-19

Tools (1)

runread-onlySolves a linear or quadratic equation in one variable (x) and returns every step: expanding parentheses, combining like terms, moving terms across the equals sign, and (for quadratics) applying the quadratic formula. Use this whenever you need to solve "ax + b = cx + d" or "ax^2 + bx + c = 0" style equations, or check a step-by-step algebra solution someone else produced. Do not solve this kind of equation by reasoning through it token by token: the two places language models most often go quietly wrong are (1) the sign when distributing a negative across parentheses, e.g. "5 - (x - 3)" losing the minus on the 3, and (2) dropping one of the two ± roots of a quadratic, or rounding a complex root into a false "no solution". This tool always gets both right because it does exact fraction arithmetic, not floating-point guessing, and reports every root it finds — including complex ones, explicitly labeled as complex. Input: a single string containing exactly one "=", using x (or X) as the only variable, e.g. "3(x-2) = 5x + 4" or "(x+1)(x-3) = 2x^2 - 5". Numbers may be integers or decimals. Implicit multiplication is fine ("3x", "2(x+1)"). Exponents may only be "^2" on the bare variable — "(x+1)^2" is not supported; write "(x+1)(x+1)" instead. Refuses rather than guesses on: no "=" or more than one, a second variable or a function name (sin, sqrt, log), a "/" anywhere (rewrite as a decimal), an unsupported exponent, an equation that expands past degree 2, unbalanced parentheses, or an inequality (<, >). Every refusal includes a fixHint saying exactly what to change. Returns the equation type (linear, quadratic, identity, or contradiction), the standard form, the full list of steps, the solution(s) as exact fractions (with a decimal alongside when not a whole number), and a disclaimer that this covers only one-variable linear and quadratic equations.

Schemas: list_tools.

Also listed as

15 other active names share this repository (showing 10): com.crontoenglish/cron-translator, com.gumballtools/amortize, com.gumballtools/body-metrics, com.gumballtools/check-digit, com.gumballtools/color-companion, com.gumballtools/due-date, com.gumballtools/iso-week, com.gumballtools/json-to-types, com.gumballtools/payload-validator, com.gumballtools/penny-rounding

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Official server.json
{
  "name": "com.gumballtools/equation-steps",
  "title": "Equation Steps",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://equation-steps.gumballtools.com/api/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "repository": {
    "url": "https://github.com/bwalvoord/gumball",
    "source": "github"
  },
  "websiteUrl": "https://equation-steps.gumballtools.com",
  "description": "Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right."
}