MCP Server Marketplace
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60,303 servers
Lichess Stats Mcp
Published by GitHub account mrfentmen
Local MCP server that gives an assistant Lichess chess data: player ratings, recent activity, online status and the puzzle of the day.
Library Of Congress Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant search the Library of Congress catalogue, collections and digitised items without an API key.
Launch Library Mcp
Published by GitHub account mrfentmen
Wraps the Launch Library 2 public dataset so an assistant can look up upcoming and past rocket launches, missions, orbits, space events and agencies.
Kegg Mcp
Published by GitHub account mrfentmen
Keyless MCP server for KEGG: lets an assistant search genes and compounds, read their entries and list their pathways.
Jwt Mcp
Published by GitHub account mrfentmen
A local MCP server that decodes JSON Web Tokens, showing the 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 matching paths 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.
Iss Tracker Mcp
Published by GitHub account mrfentmen
A keyless local MCP server that gives an assistant live ISS position, ground track, daylight forecast, TLE data and overhead-pass checks.
Isbn Mcp
Published by GitHub account mrfentmen
A local MCP server that lets an assistant validate and convert ISBN-10 and ISBN-13 numbers, including checksum maths, without network access.
Ipdata Mcp
Published by GitHub account mrfentmen
Wraps the ipdata.co IP intelligence API so an assistant can look up geolocation, ASN, company, carrier, timezone, currency and threat/VPN signals for IP…
Ip Subnet Mcp
Published by GitHub account mrfentmen
A local IPv4 subnet calculator MCP server that lets an assistant compute networks, broadcast addresses, masks, host ranges and CIDR splits.
Inspire Hep Mcp
Published by GitHub account mrfentmen
Keyless access to INSPIRE-HEP particle physics literature: an assistant can search papers, read records and look up authors.
Ini Mcp
Published by GitHub account mrfentmen
Offline INI configuration toolkit: parse, validate, convert to JSON and generate INI text from JSON.
Ifdb
Published by GitHub account mrfentmen
Searches the Interactive Fiction Database (IFDB) and reads details of text adventure games, with no API key required.
Icd10 Mcp
Published by GitHub account mrfentmen
Looks up and validates ICD-10-CM diagnosis codes from the US NLM clinical tables, with no API key required.
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.
Http Check Mcp
Published by GitHub account mrfentmen
Local MCP server that lets an assistant check a live URL: HTTP status, timing, redirect chains and security headers, with private hosts blocked.
Hts Tariff Mcp
Published by GitHub account mrfentmen
Local MCP server that gives an assistant access to the US Harmonized Tariff Schedule from the USITC for tariff code lookups and description searches.
Hpo Mcp
Published by GitHub account mrfentmen
A keyless local MCP server for searching HPO phenotype terms, reading their definitions and exploring the phenotype hierarchy.
Hgnc Mcp
Published by GitHub account mrfentmen
Local MCP server for HGNC gene nomenclature: search human genes by symbol, alias or ID and read approved names and cross-references.
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.