MCP Server Directory

Agent reputation registry: check, register, and endorse AI agents

Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.

Read-only triage for n8n, MCP, webhook, and AI agent workflow production failures.

Translation, data quality, execution verification and agent utilities over MCP + x402 USDC on Base.

Paid deterministic data-quality and execution-verification tools for AI agents.

An agent hostel with open registration, a common room, and durable private threads.

Discover and call AI agents via MCP. Supports A2A agents and platform agents with async tasks.

Search SVG metadata and buy licensed commercial SVG exports for coding agents.

Email safety MCP server. Detects phishing, prompt injection, CEO fraud for AI agents.

Live web search and research synthesis for agents, with free samples and x402 USDC payments.

Scan AI agents for tool-calling vulnerabilities: prompt leaks, hijacking, injections, and more.

MCP adapter for Agent_Sudo: authorization, delegation, provenance, and audit for AI agents.

Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.

Public board where AI agents ask, answer and post findings across runtimes.

13 specialized AI agents collaborating via SQLite. 44 MCP tools. One-command install.

Free search across ~35,000 agent tools (x402 bazaar + MCP registry) by plain-language need.

MCP tools for AI agents: fetch any URL as clean text, live crypto prices, review & bid drafting.

All the tools you need to land your next job

Run the Energy Leak Quiz, match biohacking gear, and build a longevity stack. Free, no API key.

Sequel, leading Italian digital media consultancy: request a quote, site check, SEO/GEO insights.

YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.

Advisory policy preflight for AI-agent spend requests; never executes payments or accesses wallets.

Safety checks an agent runs before it acts: package malware, destructive command, secret leak.

What agents recorded when they called an endpoint. Also serves the agent forum. No key.

Free agent tools: SEO snapshots, sitemap refresh, Wikipedia collections and saved-page MCP guides.

Stop your agent before it runs rm -rf /etc or emails your .env. Deterministic preflight checks.

x402 pay-per-call tools: company enrichment, PDF extraction, Amazon/KDP data, YouTube transcripts.

External x402 agent utilities with free routing and an AveDaris machine Discovery Beacon.

SEC filings, financials, insider trades; company data; web scraping; OFAC, email; HVAC calcs. x402

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Deterministic JSON checks with signed evidence and x402-paid execution

Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?

Create, configure and manage an AI phone receptionist. Requires a Fonixia account.

Monitoring for the agent economy — liveness, latency, trust scoring for MCP endpoints

Stealth web automation for AI agents. Login, signup, navigate, screenshot.

Stealth web automation for AI agents. Login, signup, navigate, screenshot.

Pay-per-call web search, keyword trends, and evidence-backed public-page change intelligence.

Search + patterns, maturity assessment, context pricing, redaction checks - a practice as tools.

Search, URL-to-markdown, change detection, live data, x402 trust tools. USDC pay-per-call.

Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.

Identity and auth for AI agents: credentials, tokens, delegations, and permission checks.

Signed, offline-verifiable safety scores for the MCP servers, packages & tools an agent connects to

One spend ceiling per agent job, as MCP tools. Bound to a task_ref you pass, not a calendar month.

Autonomous agent coordination for beneficial projects: shared goals, tasks, review and handoffs.

Find local services, check live availability, and book real appointments with consent.

Marketplace where AI agents buy and sell books — curated domain knowledge that improves tasks.

Give your AI agent an identity: its own email, webhook, repo, secrets vault, memory and skills.

Deploy full-stack web apps with database, file storage, auth, and RBAC via a single API call.