MCP Server Directory

Envloped com.envloped/mcp

Send transactional email, verify domains, build contact segments, and draft marketing campaigns.

GridHub Electricity Market Data io.github.jalcodev/gridhub

Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.

devtools-mcp cn.pianam.mcp/devtools-mcp

Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.

text-slugifier io.github.ryuamarines/text-slugifier

Converts text titles into URL-safe slugs and flags duplicates. x402 payment required (testnet USDC).

VisibilityAI io.github.thinksuitesolution-coder/visibilityai

Search and compare businesses worldwide by category and city; AI-visibility data and lead capture.

Focuh io.github.maxxthedeveloper/focuh

ADHD system of record for agents: tasks, goals, loops, calendar, focus stats.

Loc8ID com.loc8id/mcp

Turn a GPS coordinate into a shareable short link and QR code, as your own signed-in account.

SEFAZ MG: Protesto Inscrito em Dívida Ativa io.github.mcp-dir/sefaz_mg_protesto-mcp

SEFAZ MG: Protesto Inscrito em Dívida Ativa, official-source lookup. Platform-hosted, pay per query

Signed delivery claims for x402 capacity trades: GPU-hours, storage, API credits, bandwidth.

Code review against your team standards, before the pull request: generator finds, judge confirms

MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Delvorn io.github.MrAnderson323/delvorn

GET https://delvorn.site/api/x402/test-asset $0.05 Base. First independent=Certified+$0.05 back.

YouGame co.yougame/yougame

Publish a browser game on YouGame: the build rules, the leaderboard SDK, pre-upload checks.

Coding Guides io.github.delian/codeguide-mcp

Coding guidelines and best-practice guides for 130+ languages, frameworks, and tools.

Delegate bulk code edits to a cheap worker model. Gated, atomic. PHP and Python.

app-store-version io.github.ryuamarines/app-store-version

Checks current App Store version by bundle ID. x402 payment required (testnet USDC).

Spiderbrain ai.spiderbrain/spiderbrain

Deterministic context layer for your codebase: change impact, blast radius, answers with receipts.

Native runtime debugging via DAP-to-MCP for crashes, hangs, dumps, symbols, and forensics.

Cross-repository semantic code intelligence for AI coding agents, from a local code graph.

Base Transaction Decoder io.github.0200project/base-transaction-decoder

Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02.

Look up on-chain Attribution reputation scores for wallets and AI agents on Base.

Bitly com.bitly/mcp

Shorten links, generate QR codes, and track performance across your Bitly account.

AlphaKey IDaaS MCP Server — Manage SSO, MFA, users, apps, and security policies through AI IDE

Craftery Developer Tools dev.craftery/tools

Developer utilities: color conversion, WCAG contrast, timestamps, UUIDs, and hashing.