utilities MCP servers & tools

43 Model Context Protocol servers tagged “utilities”, ranked by usage. Connect any of them to Claude Desktop, Cursor or Windsurf in one step.

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Agent Utils MCP
aparajithn
Swiss-army-knife utility server for AI agents. 18 tools including JSON validation, base64, hashing, UUID generation, regex testing, markdown conversion, datetime conversion, cron parsing, CSV/JSON conversion, JWT decoding, and more. Streamable HTTP MCP + REST API with x402 micropayments.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 5
Calc MCP
21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 9
MCP Datetime
ZeparHyfar
MCP server providing date and time functions in various formats
Other Tools and Integrations
Upvotes: 0Installs: 0GitHub stars: 31
Cleanor MCP
cleanor-app
Zero-auth hosted server with 22 read-only tools: optimize/convert images (WebP/AVIF/JPEG), paste-ready SVG QR codes, cited Cleanor Labs data on device storage capacity and next-gen image-format savings (AVIF/WebP/JPEG XL vs JPEG, HEIC conversion tax), plus 18 deterministic dev utilities LLMs get wrong (hash, HMAC, UUID, base64, JWT decode, JSON, regex, cron, unit & base convert, datetime, URL parse, diff, color, palette, slugify, count, SVG placeholder). No API key or signup; Streamable HTTP at https://mcp.cleanor.app/mcp.
Multimedia Process
Upvotes: 0Installs: 0GitHub stars: 1
MCP Server
matetools
27 utility tools for AI agents — wraps the free mate.tools API. Hash, encode, regex, finance.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Buildutilities MCP
Deterministic dev utilities: UUIDs, hashes, encoding, JWT, cron, regex. No network, no API key.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Onlinecybertools MCP Server
Jambozx
280+ free developer & security tools as MCP tools — encoders/decoders, hashes (MD5/SHA/HMAC/bcrypt/argon2/scrypt), JWT decoder, regex tester, JSON/YAML/XML formatters, network diagnostics (ping/traceroute/dig/whois/SSL/SPF/DMARC), OSINT (IP geo, EXIF, vendor lookups), and more. Proxies to the public API at onlinecybertools.com — no auth required. Published to npm with SLSA v1 provenance.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 1
Devtools
23 developer utilities — base64, JWT, UUID, hash, QR, regex, timestamps. No API keys.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Pylon MCP
pylonapi
x402-native API gateway with 20+ capabilities (web-extract, web-search, translate, image-generate, screenshot, PDF, OCR, and more) payable with USDC on Base. No API keys — agents pay per call via HTTP 402.
Aggregators
Upvotes: 0Installs: 0GitHub stars: 1
ToolPipe MCP Server
45+ dev tools via MCP: JSON, QR, hash, DNS, code review, fake data, screenshots, and more.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 7
Hash Utils AI MCP
MCP server for hash utils ai. Features hash text, verify hash, generate uuid. From MEOK AI L...
Cryptography
Upvotes: 0Installs: 0GitHub stars: —
SpryTools API MCP Server
Utility tools for AI agents: hashing, text stats, validation, DNS, currency, GEO audits.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 1
Myclaw Toolkit
Dusheh
23-in-1 developer utility MCP server: web search, exchange rates, crypto prices, QR codes, JSON formatter, UUID, URL tools, domain check, RSS feeds, and more. 6 paid APIs via x402 micropayments ($0.003 USDC on Base). npx myclaw-toolkit
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
GadgetHumans API Hub
Hosted MCP endpoint — 46 tools + 300+ REST endpoints. Free tier, no API keys, no signup.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
C
Coinslot — the vending machine for machines
13 micro-tools for agents: read pages, verify email, convert, validate, diff, extract. AI-operated.
Communication
Upvotes: 0Installs: 0GitHub stars: —
CPFL: Download via link
CPFL: Download via link, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Switchai
Compare Italian energy tariffs with AI. Analyzes bills, finds best offers, live market indices.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Utilify
AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
T
Tools
X12 EDI, GS1 check digits, time, cron, JSON repair, crypto for AI agents. Free, no key.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
J
JSON Repair & Agent Utilities
Repair malformed JSON, DNS lookup, extract URLs. Pay per call USDC on Base via x402.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
S
SmartTools
70+ free calculators & converters as MCP tools; each result links to its source page.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Ox402 Utils
45 micro-priced utilities for AI agents: search, screenshots, OCR, whois, geoip, prices. x402 USDC.
Search & Data Extraction
Upvotes: 0Installs: 0GitHub stars: —
Devtools MCP
Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
T
Toolforte
25 tools: exact IBAN/VAT/cron/regex utilities plus renders to hosted PDF, screenshot and QR files.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Cemig: Obter Instalações
Cemig: Get Installations, official-source lookup. Platform-hosted, pay per query with prepaid credit
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Comgás: Download de 2ª Via
Comgás: 2nd Copy Download, official-source lookup. Platform-hosted, pay per query with prepaid credi
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Enel RJ: Lista de Instalações
Enel RJ: Installations List, official-source lookup. Platform-hosted, pay per query with prepaid cre
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Enel SP: Download
Enel SP: Download, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Textcase
Text case conversion MCP.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Utility MCP Server
MCP server providing IST time, IST date, and live share price lookup by company name.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
Utility Converter
7 utility tools: exchange rate, UUID, hash, Base64, timestamp, calculator, unit conversion.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Agent Bits
Machine-readable utilities and datasets for AI agents.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Base64 encode, input discarded
Independently named MCP utility servers with unique converting intakes.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Sigtap Agent Tools
Paid micro-tools for AI agents over x402: email audit, grading, templates, hashing, more.
Communication
Upvotes: 0Installs: 0GitHub stars: —
FabTally Utility Belt
13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
C
Clean
Read-only developer, date, finance, and text utilities. Authless remote MCP server by Clean.tools.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
ChronoKey
Timestamps and UUIDs for AI agents, paid via x402 in USDC.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
Toolars
Local-first dev utilities: hash, base64, JWT, UUID, cron, URL codec. No network or telemetry.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Enrichr
50 billed utilities for AI agents. Get a free key at enrichrapi.dev (1,000 calls/month).
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Nerd Utility API
Agent utility API: 28+ free endpoints (hash, QR, DNS, scrape, JWT...) run by an autonomous AI agent.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Compera
Live Swedish price & service comparison (products, broadband, mobile, electricity, loans)
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Openei Urdb
OpenEI Utility Rate Database (URDB) MCP
Databases
Upvotes: 0Installs: 0GitHub stars: —
Tools That Don't Upload
Search and run data, text, code, PDF and web APIs. Requests not stored. Network tools need a key.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —