io.github.hardware-mcp/arduino-mcp-server

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

io.github.ChrBoebel/optical-context-mcp

Compress OCR-heavy PDFs into dense packed images so agents can work with long visual documents.

io.github.domdomegg/filesystem-mcp

Read, create, and edit files.

io.github.Oncorporation/filesystem-server

Secure filesystem access for AI agents with configurable directory and file type restrictions

io.github.Testinat0r/otp-ojp

Validate, introspect, and parse talent profiles (OTP) and job postings (OJP)

io.github.mansurjisan/ww3-mcp

GFS-Wave (WAVEWATCH III) forecasts and NDBC buoy wave observations

io.github.vdappdev2/vtimestamp-write

MCP server for creating vtimestamp proofs on the Verus blockchain via a local or remote daemon

io.github.vdappdev2/vtimestamp

MCP server for verifying and querying vtimestamp proofs on the Verus blockchain

io.github.justfsl50/expense-mcp

Personal Expense Tracker MCP Server — expenses, income, budgets & savings goals

io.github.levelsofself/ai-ops

AI operations management: 12 specialized agents, task dispatch, and team coordination.

io.github.levelsofself/self-awareness-game

Play self-awareness scenarios across 7 levels. 6,800+ coaching scenarios via MCP.

io.github.louis49/melchizedek

Persistent memory for Claude Code — offline, single-file, hybrid search.

io.github.akshatnerella/arduino-mcp-server

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

com.sgpdirectory/singapore-business-directory

Singapore business directory. Search companies, UENs, and SSIC industry classifications.

com.sgpdirectory/mcp

Singapore business directory. Search companies, UENs, and SSIC industry classifications.

io.github.geniuskey/mcp-server-xlwings

Excel automation via xlwings COM. DRM-protected files, live sessions, VBA macros. Windows only.

io.github.SepineTam/latex-mcp

Enable AI agents to compile TeX files with LaTeX inside a Docker container.

io.github.putput-io-dev/putput-mcp

File uploads for AI agents. Upload, list, and manage files. No signup required.

io.github.opspawn/bazaar-mcp

x402 micropayment-powered developer tools: screenshots, AI analysis, PDFs, code scanning

io.github.izworskic/openclaw-registry

Search and retrieve agent instruction files: system prompts, skills, workflows, and safety filters.

io.github.roshunsunder/filesift

Local file search for AI agents — semantic + keyword indexing over your codebase.

io.github.SebastianMaciel/jsx-notation

JSXN encoder/decoder — compact notation for React/Next.js files, optimized for LLMs

io.github.ryudi84/env

MCP server for .env file validation, parsing, and comparison.

io.github.ryudi84/diff

MCP server for computing text diffs, comparing strings, and generating unified diff output.