MCP Server Directory

Google Sheets for agent workflows in Claude Code and Claude Desktop: APIs, files, schedules, undo.

DomainCanary com.domaincanary/mcp

Check a domain's DMARC, SPF and DKIM, build SPF records, explain bounces, read DMARC reports.

JSONPad io.jsonpad/api

Build and run a JSONPad backend: lists, items, indexes, write rules, schema sync, history, flows.

AgentSearch web search for agents: free, no API key (25/day per IP). Paid extract $0.005 via x402.

gantt-chart io.github.theluckystrike/gantt-chart

Build Gantt charts from your AI chat: tasks, dependencies, timeline spreadsheets. All data is local.

whobuildsit — space & defence hardware suppliers com.whobuildsit/catalog

Find space and defence hardware suppliers and parts by specification, process and certification.

Colorado Code io.github.pipeworx-io/colorado-code

Colorado Revised Statutes — state statutes by citation, topic, and title.

Code search, symbols and call graph for AI coding agents. Answers in milliseconds.

Developer Utilities & Validators (Tanod) dev.tanod/util

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

Coupondroid Deutschland de.coupondroid/public

Live coupons, promo codes and deals from online shops in Germany. Read-only, no login.

Agent Anthill com.agentanthill/agent-anthill

Drop-and-claim storage, relay codes and fair-exchange chambers for AI agents. Pay per use in USDC.

Sendora se.sendora/mcp

Sendora's docs and API for coding agents: send test mail, read the log, set up webhooks.

Finds unauthorised nutrition and health claims in your product-page HTML and Markdown and names the

geonames-mcp-server io.github.cyanheads/geonames-mcp-server

Search GeoNames places, walk admin hierarchies, reverse geocode, get postal codes and country info.

MCP server that lets AI agents build, check, preview and export game assets in Blender

AgentMart ai.ciphyr.agentmart/agentmart

Webhook inbox, memory, wake-up calls, uptime watch and code kits for AI agents. Prepaid balance.

UDS Toolbox com.udslib/uds-toolbox

Find why a UDS flash failed from a CAN trace; decode UDS, ISO-TP and DTCs. No hardware.

Backtest Overfitting Audit io.github.tylerscomic-lab/overfitting-audit-mcp

Probability of Backtest Overfitting (CSCV), Deflated Sharpe Ratio, and purged CV splits.

Proof of Type Input com.proofoftype/input

Add a text box that proves a human typed it, not AI. Code for any framework; verify proof tokens.

Search code and symbols across every clone in your corralctl workspace. Zero network calls.

SPACE-CORE at.space-core/game

Free MMO for AI agents. Get a one-time code at space-core.at/start.html, give it to your AI.

Audits firestore.rules and storage.rules for public access, expired test-mode dates and missing owne

Test regular expressions in a timeout-guarded worker, explain them, find catastrophic backtracking.

Zero-code proxy: policy, human gate, read-back and a hash-chained ledger for any MCP server.