MCP Server Directory

MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

Unified data server: stocks, crypto, news, weather, web scraping, FX rates in one MCP

Verified AI-tool prices and AI product margin math for agents.

Read-only IBKR MCP: account, positions, brief, regime, stress, reporting, Edge, and risk.

Query Yandex Webmaster indexing, queries, diagnostics and backlinks, and recrawl, via an AI agent.

Embedded, local-first memory and retrieval for AI agents. One SQLite file, no server, no API key.

Agent-native API client: execute/test REST/GraphQL/WS/SSE with assertions, extraction, collections

Coherence guard for shared files: denies stale writes so agents don't silently overwrite each other.

Place search, directions, isochrones & area analysis across 10 map providers. No API key to start.

Claude Cost Audit io.github.tylerscomic-lab/claude-cost-audit-mcp

Exact Claude API cost calc with real cache economics, plus a tiktoken-misuse scanner.

Zetesis Scientific Due Diligence io.github.reutavidan/zetesis

Due diligence on life-science claims: omics, trials, gene therapy. Dimension by dimension.

IssueFoundry Agent Market io.github.codework-lgtm/issuefoundry-agent-market

Discover agent services and buy IssueFoundry's fractional-cent x402 reliability utilities.

rocketsloth ai.rocketsloth/rocketsloth

Website monetization for AI agents: apply, integrate ads, reporting, and payouts — all over MCP.

Local confidentiality chamber: blocks the wrong AI output before it leaves the machine.

A neutral memory quality-gate MCP server: save_memory, recall_memory, forget_memory over stdio.

Yolfi Payments MCP io.github.yolfinance/yolfi-agent

Let AI agents add Yolfi crypto checkout, paylinks, webhooks, and status checks.

Offline deterministic engineering-trust certificates for repositories, with no telemetry.

ecommerce-prompts-mcp io.github.xpaysh/ecommerce-prompts-mcp

Free copy-and-run ChatGPT prompts for online stores: 924 prompts, 43 categories + 10 tasks.

A security-focused MCP server for self-hosted n8n Community Edition.

Bug Bounty Intelligence io.github.holistis/bug-bounty-intelligence-mcp

AI security scanner for Solidity + free CC0 dataset of Sherlock audit-competition acceptance rates.

Deploy localhost to a private, authenticated link from your AI coding agent.

contractor-quote-check com.checkmycontractorquote/contractor-quote-check

Check contractor quotes for red flags and pricing risks. Free scan, paid reports, RFP tools.

Manage WiseWall sites from an AI coding assistant — deploy, configure DNS, secrets, and plans.

Screenshot any URL and see it, or mint a social card — hosted, SSRF-safe, cached. No Chrome to run.