io.github.acrylicfiddle/x402tools

9 pay-per-call utility tools (QR, screenshot, DNS, OCR, PDF, etc) paid in USDC via x402.

com.coinrailz/mcp

63 paid services via USDC: crypto analytics, satellite, IoT, AI inference, prediction markets.

io.github.vk0dev/code-impact-mcp

Dependency graph and blast-radius analysis for local TypeScript/JavaScript repos.

io.github.nulib/dc-api

Agent integration with the Northwestern University Libraries Digital Collections API

io.github.askadvaith/mcp-state-sidecar

MCP State Sidecar: durable state persistence for multi-agent AI workflows

io.github.krishnabhat/indian-food-nutrition-mcp

Indian-accurate nutrition logging for your AI: IFCT 2017 + USDA, by text or photo.

io.github.Red-Square-Software/keeping-mcp

MCP server for the Keeping time-tracking API

io.github.SamMorrowDrums/remarkable

Access your reMarkable tablet - read documents, browse files, extract text and OCR

io.github.samarthanalytics-sj/samarth-gtm-mcp

Google Tag Manager + read-only GA4 MCP server. Read-only by default, gated writes, audits.

io.github.mashware/domain-memory

Local-first MCP server serving a project's business-domain knowledge to MCP-compatible agents.

io.github.nickjlamb/redacta-mcp

Pseudonymise and restore patient identifiers & PII in text — local, HIPAA Safe Harbor mode.

io.github.Kevthetech143/chain-signer

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

io.github.rm-rf-prod/groundtruth

Live docs MCP server. 445+ libraries, code audit, snippets, dispatch tool, telemetry.

io.github.asklokesh/loki-mode

Autonomous spec-to-product coding-agent CLI with an MCP server exposing 34 tools over stdio.

io.github.RohitYajee8076/backburner

Run long shell commands as background tasks: start them, keep working, collect the results later

io.github.gomission/mcp

Trust Graduation gate: Claude can do real work once Mission decides what it is allowed to do.

io.github.oneill9/phraseflip-mcp

Privacy-first local phrase-flipped translation for AI chat clients.

io.github.mrslbt/nankai-trough

Nankai Trough earthquake hazard & building-safety, from official Japan data. No verdicts.

io.github.delega-dev/delega

Task management API for AI agents. Create, delegate, and track tasks via MCP.

io.github.chrischall/gogcli-mcp

Google Sheets (and more) for Claude via gogcli — read, write, and manage spreadsheets

io.github.chrischall/gogcli-mcp-slides

Google Slides via gogcli for Claude — deck and slide authoring

io.github.chrischall/gogcli-mcp-sheets

Extended Google Sheets for Claude via gogcli — auth + full Sheets support

io.github.chrischall/gogcli-mcp-drive

Google Drive via gogcli for Claude — search, upload, download, permissions

io.github.chrischall/gogcli-mcp-docs

Extended Google Docs for Claude via gogcli — auth + full Docs and comments support