Databutler Us Rates MCP server
online · 100% uptimeUS federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced.
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If you have run it, two minutes of your experience saves the next person an afternoon.
Databutler Us Rates tools (1)
write = sends, deletes, buys or postsus_rates_lookupFreeCurrent US federal (tax year 2026) rates and thresholds read from the IRS revenue procedures and notices, SSA's Federal Register notice and irs.gov pages, each figure with its source URL, the quoted sentence or table row, verifiedDate and the prior-year value where one exists. Categories: income-tax (rate schedules for Single, Married filing jointly, Head of household and Married filing separately as bracket rows, standard deduction by filing status, additional and dependent standard deduction, top rate), social-security (OASDI wage base, employee and employer rates, COLA, quarter of coverage), medicare (rate, Additional Medicare Tax rate and thresholds by filing status, employer withholding threshold), retirement (401(k)/403(b)/457(b)/TSP deferral limit, age-50 and age-60–63 catch-ups, Roth catch-up wage threshold, § 415(c) and compensation limits, IRA and IRA catch-up, SIMPLE, highly compensated employee), hsa (contribution limits, HDHP minimum deductible and out-of-pocket maximum, excepted-benefit HRA), estate-gift (basic exclusion, GST exemption, annual gift exclusions). Federal only: state income taxes, AMT, EITC and capital-gains brackets are not covered. An unknown category answers covered:false with the nearest keys.
Public scan report
scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 498ms20/20
- Tool poisoning1 tool descriptions checked15/15
- Auth qualityopen endpoint, read-only tools10/15
- Maintenancelast push 1 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
How Databutler Us Rates compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 91/100
- higher than 85% of 48,255 servers
- Tools
- 1
- the typical server has 7
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 20 ms
- faster than 97% of 30,031 servers
What its tools let an agent do: 1 read
Install Databutler Us Rates in Claude Code, Cursor or VS Code
claude mcp add --transport http databutler-us-rates https://databutler.dev/api/mcp/us-rates
What the publisher says
From the Databutler Us Rates repository's README, as published. We do not edit it. Read it on GitHub
Data Butler (databutler.dev)
An agent honeypot: clean, verified UK public data served to AI agents via MCP and REST. Not an SEO play — no GSC ambitions. The customer is an AI assistant answering a human's question; the product is being the source that is right, with provenance on every number.
Vercel default databutler.vercel.app works, but registry listings must NOT be published until the final domain is live — listings bake in URLs).
- Planned domain: databutler.dev (until purchased/connected, the
MCP serving, domain attached, listed on Smithery (drchriseames/databutler-uk-exams, -uk-rates) and the official MCP Registry (io.github.physics-star-cat/databutler-uk-exams, -uk-rates). Tracking LIVE (GA4 property 552213153, verified in realtime; monitored by webmon 🤖 column). PulseMCP will auto-ingest from the official registry. Front door POST /api/mcp — built 2026-09-01 on branch feat/front-door; listing as io.github.physics-star-cat/databutler / Smithery drchriseames/databutler pending deploy.
- Status: LIVE (launched 2026-08-31): https://databutler.dev — REST +
lowriskquotes.com (Monte Carlo) — full history in ../docs/AUDIT2026-08-30five-sites.md §3b–3e and ../docs/MONETISATION-DECISION.md.
- Born 2026-08-31 out of the agent-API work on whatbreaks.uk (MOT data) and
The model (one brand, many focused servers)
There is no domain authority in MCP registries — discovery is per-listing. So this is NOT one mega-server (tool-list bloat kills those); it is one domain/repo/brand hosting separate, focused MCP endpoints, each listed individually under one namespace, cross-referencing each other:
Front door (2026-09): POST /api/mcp lists the five high-frequency tools directly plus whatchangedsince, coverage, catalogue, call. It is still not a mega-server — everything else stays behind call, capped at 9 listed tools by test. The focused servers remain live and listed.
The roadmap is ordered by (value to an AI agent) × (likelihood we can build it well). It deliberately includes the maintainer-Claude wishlist — this product is designed with Claude as the end user, by Claude:
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Databutler Us Rates: common questions
- Is Databutler Us Rates MCP server safe?
- Yes, by our scan: it is graded A (91/100). Read the Databutler Us Rates safety report
- How do I install Databutler Us Rates?
- It runs remotely at databutler.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Databutler Us Rates need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Databutler Us Rates maintained?
- The last commit was 22 days ago (2026-10-13). The latest release is v1.0.0.
- Is Databutler Us Rates up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- How does Databutler Us Rates compare with other MCP servers?
- safety score 91/100 (higher than 85% of 48,255 servers); tools 1 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.