Utilities MCP servers

Sign and explain crabcrop image URLs, fetch processed-image metadata, and purge cached results.

21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.

Shrink images to a token budget for vision LLM agents and pipelines. Not for chat-pasted images.

Japan JEPX Electricity Apify:apify.com/fruitful_quintessence | Gumroad:atushi5.gumroad.com/l/kutuxe

Local deterministic calc MCP: exact math, dates, unit conversion, stats, subnet math.

Local MCP server: JSON repair, regex testing, JSON-Schema validation for AI agents.

Calibrated numeric estimates with uncertainty from messy records

Web production tools for AI agents: contrast, JP text, WebP, JSON-LD, slugs, dates and 40+ more

Find rhymes, synonyms, sound-alikes, spelling matches, and word associations with Datamuse.

An MCP server that provides Email, Phone and Address Validation Services from Byteplant

197 MCP tools from 74 developer APIs — screenshots, email, NLP, WHOIS, QR, PDF, and more.

60+ pay-per-call tools for agents (data, dates, QR, crypto, web), paid in USDC via x402.

Timezone, business-day and meeting-slot maths - no API key.

Run OCR.space: text extraction from image URLs via GET or POST.

Worldwide public holidays and long weekends - no API key.

Translate text with Google or your own AI model (BYOK, 20+ providers) from any MCP client.

255 RF & electronics calculators + 13 simulation tools for AI agents.

Chinese NLP toolkit for MCP: segmentation, pinyin, keywords, sensitive words. Offline via stdio.

Transkribus REST and Processing APIs — collections, HTR/OCR; default v1, optional v2 beta.

中国节假日与调休（单日+年度聚合）、历史上的今天、随机诗词、身份证号校验（GB 11643，本地零网络）。零凭证。

Deterministic inspect, safe repair, and JSON Schema validation for agent JSON. No LLM.

Fix broken JSON by line, validate, convert, read CSV/NDJSON/logs as records, unpack, compare. Local.

Merge, split, compress, unlock, organize, extract, fill forms and check PDFs — 12 local tools.

73 local deterministic tools: GTIN, feeds, CSV-XLSX, Digital Link QR, e-invoices. Rules cited.

Read-only Nepali date, calendar, festival, Panchanga, and temporal verification tools.

Thirty-two guarded agent utilities and maintained-data lookups over USDC x402.

MCP server for vertical datum conversions using coastalmodeling-vdatum

Convert PDF, Word, Excel, PowerPoint, EPUB, HEIC & images — 35+ tools from convertica.net