Developer Tools MCP Servers
Code, Git, APIs, SDKs, CI/CD, developer workflows, and local developer tooling.
Patch Mcp
Published by GitHub account mrfentmen
Offline MCP server that lets an assistant create, dry-run and apply unified diffs to text, with no shell or repository required.
Password Mcp
Published by GitHub account mrfentmen
Local MCP server that generates random passwords and passphrases with a crypto RNG and estimates password strength, all offline.
Numbers Mcp
Published by GitHub account mrfentmen
A local stdio MCP server for offline number work: statistics summaries, roman numerals, base conversion and locale-aware formatting.
Npm Registry Mcp
Published by GitHub account mrfentmen
Read-only MCP server that gives an assistant live npm registry data: package details, keyword search, and version history.
Morse Mcp
Published by GitHub account mrfentmen
A local MCP server that encodes text into Morse code and decodes Morse back, covering letters, digits and punctuation.
Maven Central Mcp
Published by GitHub account mrfentmen
MCP server that lets an assistant look up Maven Central artifacts: search, versions, group listings, class lookup and dependency snippets.
Locale Format Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant format numbers, currencies, dates and relative times for any locale using ICU data, with no network calls.
Jwt Mcp
Published by GitHub account mrfentmen
A local stdio MCP server that decodes JSON Web Tokens offline, showing header, claims, expiry timeline and warnings.
Jsonschema Mcp
Published by GitHub account mrfentmen
Local MCP server that validates JSON against a JSON Schema offline, explains schemas as readable outlines, and generates example instances.
Jsonpath Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant query JSON documents with JSONPath expressions, list every matching path and count matches.
Jsondiff Mcp
Published by GitHub account mrfentmen
Local MCP server that lets an assistant structurally diff two JSON documents, apply RFC 6902 JSON Patch, and re-serialise JSON canonically.
Jsonc Mcp
Published by GitHub account mrfentmen
Local MCP server that lets an assistant parse, clean and validate JSONC files containing comments and trailing commas, entirely offline.
Isbn Mcp
Published by GitHub account mrfentmen
A local MCP server that validates and converts ISBN-10 and ISBN-13 numbers, including checksum maths, entirely offline.
Ini Mcp
Published by GitHub account mrfentmen
Offline INI configuration toolkit: parse, validate, convert to JSON and generate INI text from JSON.
Ical Mcp
Published by GitHub account mrfentmen
Local MCP server that lets an assistant parse, create and validate iCalendar (.ics) data offline, with no network or keys.
Iban Mcp
Published by GitHub account mrfentmen
Offline IBAN validator MCP server that checks structure, country length and mod-97 checksum, and lists IBAN country codes with required lengths.
Hexdump Mcp
Published by GitHub account mrfentmen
Local stdio MCP server that gives an assistant offline hex dumps, byte-format conversion and byte statistics for text, hex or base64 data.
Hashid Mcp
Published by GitHub account mrfentmen
Offline hash-identification server: lets an assistant guess which algorithm produced a hash string and inspect password-hash structure.
Hash Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes and HMACs of text, returned in hex or base64.
Graph Algorithms Mcp
Published by GitHub account mrfentmen
A local stdio MCP server that computes graph algorithms — shortest paths, topological order and connected components — on directed or undirected graphs.
Float Mcp
Published by GitHub account mrfentmen
Offline IEEE-754 float inspector: shows a number's bit layout, f32 rounding and neighbouring representable values.
Endian Mcp
Published by GitHub account mrfentmen
Offline byte-order and integer inspector: swap endianness, decode raw bytes as typed numbers, and show two's complement, hex and binary forms.
Dockerhub Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant search Docker Hub images and inspect their details, tags, sizes, digests and official-image ranking.
Cron Schedule Mcp
Published by GitHub account mrfentmen
A local stdio MCP server that explains cron expressions in plain words and lists their upcoming run times.