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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "databutler-de-rates": {
      "type": "http",
      "url": "https://databutler.dev/api/mcp/de-rates"
    }
  }
}

claude mcp add --transport http databutler-de-rates https://databutler.dev/api/mcp/de-rates

[mcp_servers.databutler-de-rates]
url = "https://databutler.dev/api/mcp/de-rates"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "databutler-de-rates": {
      "type": "remote",
      "url": "https://databutler.dev/api/mcp/de-rates",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "databutler-de-rates": {
      "type": "http",
      "url": "https://databutler.dev/api/mcp/de-rates"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=databutler-de-rates&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZGF0YWJ1dGxlci5kZXYvYXBpL21jcC9kZS1yYXRlcyJ9"
}

{
  "servers": {
    "databutler-de-rates": {
      "type": "http",
      "url": "https://databutler.dev/api/mcp/de-rates"
    }
  }
}

{
  "mcpServers": {
    "databutler-de-rates": {
      "httpUrl": "https://databutler.dev/api/mcp/de-rates"
    }
  }
}

extensions:
  "databutler-de-rates":
    enabled: true
    name: "databutler-de-rates"
    type: streamable_http
    uri: "https://databutler.dev/api/mcp/de-rates"
    timeout: 300

Quality 88 / 100good

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 hygiene93 · 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
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 442 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 442 tokens to load them all · tool set ddf661604137 · checked 2026-10-20 15:57 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 93 / 100

duplicate-repo

provenance90

liveness100

freshness100

hygiene80

+repository +namespace-matches-repo +website +reachable +uptime-100% +updated-16d-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

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://databutler.dev/api/mcp/de-rates` streamable-http	none	yes	100%	184 ms	2025-11-25	2026-10-20

Tools (1)

de_rates_lookupread-only Current German (Veranlagungszeitraum 2026) tax and social-insurance figures read from the consolidated statutes on gesetze-im-internet.de, the Bundesgesetzblatt and the BMG, DRV, BMAS, BMFSFJ and Minijob-Zentrale pages named in each figure's source — each with the German term and an English label, the quoted sentence, verifiedDate and the prior value where one exists. Categories: income-tax (Grundfreibetrag, § 32a tariff zones with their coefficients, Eingangssteuersatz, Spitzensteuersatz and Reichensteuer thresholds, Solidaritätszuschlag rate, Freigrenzen and Milderungszone), social-insurance (Beitragsbemessungsgrenzen RV/AV and KV/PV annual and monthly, Jahresarbeitsentgeltgrenze, Bezugsgröße, vorläufiges Durchschnittsentgelt, KV/RV/AV/PV Beitragssätze with employee and employer shares, durchschnittlicher Zusatzbeitrag, Kinderlosenzuschlag and Kinderabschlag, Sachsen split), minimum-wage (Mindestlohn 2026 and the fixed 2027 step), minijob (Geringfügigkeitsgrenze 2026 and 2027, Midijob upper limit), kindergeld, kinderfreibetrag (Kinderfreibetrag, BEA-Freibetrag, total per child), sparer-pauschbetrag, arbeitnehmer-pauschbetrag, entfernungspauschale. Federal law only: Kirchensteuer by Land, Lohnsteuerklassen mechanics and Gewerbesteuer are not covered, and 2027 draft figures are not served. An unknown category answers covered:false with the nearest keys.

Schemas: list_tools.

Also listed as

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Official server.json

{
  "name": "io.github.physics-star-cat/databutler-de-rates",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://databutler.dev/api/mcp/de-rates",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/physics-star-cat/databutler",
    "source": "github"
  },
  "websiteUrl": "https://databutler.dev/api",
  "description": "German 2026 tax and social-insurance thresholds, minimum wage and allowances, sourced."
}