Remote Servers

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

Normalizes and deduplicates a list of URLs. x402 payment required (testnet USDC, Base Sepolia)

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macadress

samymassoud

MAC address and OUI vendor lookup over Model Context Protocol

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SlateHut

sandeep1995

AI website builder (Wix/Framer alternative). SlateHut MCP over HTTP: tools, schemas. Bearer auth

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AgentTwin Documentation

Sashank-Singh

Search AgentTwin agent testing guides, Node CLI commands and supported synthetic service contracts.

Evaluate ML features beyond a baseline and test bounded feature repairs. Invite-only beta

47 MCP tools free (rate-limited) + x402 pay-per-call REST on Base. Flagship: Token Verdict, $0.02.

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API Plan Finder

scraping-api-plans

Compare API plans across 42 conditions and costs: scraping, SERP, search, browser, email, TTS, STT, docs

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Sendora

sendora.se

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

Live Steam Market API docs, schemas, products, games, markets and endpoint search

Query PanDev Metrics analytics and reporting data

Ship production-ready TypeScript code in half the time, at half the cost.

9 App Store endpoints. Pay per call in USDC via x402.

7 Google Play endpoints. Pay per call in USDC via x402.

Discover and call 2,000+ x402 machine-payable services through one graded API key and gateway

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knowbase

knowbase.sh

What other agents already tried against your build error, which attempt worked, and the dead ends

Software supply chain security: SBOMs, vulnerabilities, fixes, policies and compliance data.

GPU compute for agents: run commands on an L4/A100/H100, watch logs, billed per second.

Inspect SHA-256 verified SaaS release archives, run live GEO/B2B/Legal audits & submit offers.

Download verified SaaS source code, PDF/DOCX/PPTX executive packs & x402 agent kits.

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Volley

volley.sh

Write, check, render and save sequence diagrams with the request and response on every arrow.

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SoftwareForge

shailesh-opsera

AI-native Day 0 modernization platform for PRDs, architecture, work orders, and code transformation.

Certified program synthesis. Pay per call in USDC via x402; refusals never billed.

Receipts-verified reviews of x402 services and paid APIs, before your agent pays

Get your x402 API found and bought: lint, Bazaar rank, buyer panel, demand gaps. Paid in USDC

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glimind

shawndei

Live reliability for AI agent tools: is it working right now, and how do I call it correctly

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Grokzilla micro pay

grokzilla.shop

32 x402 pay-per-call tools: SEO, agent audits, JSON/text utilities, and OSINT. USDC on Base; $1 = 300 calls

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Digital Garden by Alicia — Notes

digitalgarden.si

Search and read Alicia's English and Chinese notes on Houdini, Three.js, OpenUSD and AI workflows

Evaluates UI designs for WCAG accessibility issues automated scanners miss. Paid via x402 on Base

Archive of verbatim errors with root causes and fixes that AI agents search by exact error string

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AgentBuilders

sirarchiemccarthy-oss

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

Free source-linked evidence lookup for MCP troubleshooting. Join a measured, opt-in reuse pilot

CSV structural checks and keyed diffs, SRT formatting, MCP result checks and review discovery

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Batch PyPI wheel filenames and reported metadata; no downloads or compatibility checks

Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.

Reproducible Python evidence, public agent threads and optional asynchronous operator replies

20 free dev tools: JSON/YAML, XML/SQL, Cron, SEO, QR code, URL shortener, cron tasks, files

Build a hosted website by chatting. Snapshots, forms, analytics. Hand off the dashboard. Walk away

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Meniscus

meniscus.site

Liquid glass design system for AI agents: specs, recipes and reference renders for every platform

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pdfzen

pdfzen.site

Render PDFs from 45 starter templates or raw HTML. Pay-per-render with USDC via x402

Context for coding agents: checks a GitHub or Linear issue is ready before your agent starts it.

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Smia

Smia-Technologies-AS

Build your own tools from chat: design, test and host them on a shareable MCP server URL

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AgentCloud — Hosted iOS Simulator MCP

agentcloud.so

Build, run, and inspect iOS apps in disposable hosted Simulators from cloud coding agents

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DevRelay

devrelay.so

Ask what shipped, and draft, edit and approve launch posts, changelogs and docs updates

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Pharaoh

pharaoh.so

Codebase knowledge graph — architectural awareness for AI coding agents via MCP

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EstiMate

pyes.software

Estimate software projects by independent expert judgement, with your team and an AI estimator.

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Agent Experience Network Live Preflight

solargptnz-dev

Check public MCP reachability, protocol handshake, auth and tool schemas before connecting

Paid x402 MCP utilities for Base-USDC balances, blocks, gas, HTTPS headers, and agent profile bios.

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MCPLoad Budgeter MCP

mcploadbudgeter.space

Paid remote MCP for context budgets, progressive loading, schema slimming, and readiness.

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ServerCard Trust MCP

servercardtrust.space

Paid remote MCP for server-card validation, auth checks, trust packets, and readiness

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SyntheticUser Lab MCP

syntheticuserlab.space

Paid remote MCP for synthetic user testing, UX validation, analytics, checkout, and readiness

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Library

Spacemandomains

Search and discover 25,000+ MCP servers across all major registries. Connect and pay autonomously

Register, deploy, review, and govern internal applications built with coding agents

顏

顏回 YanHui Debug AI

sstklen

Debug AI with shared KB. One bug fixed = everyone benefits. KB hit 4ms free, new analysis $0.05.

Secrets for developers and agents: secure context and workflows without exposing secret values

A marketplace for codebases: find, buy, clone, and update them, or list your own for sale.

Agents publish AI-made apps in one call with no key; anyone plays them in the browser

Read-only search over the aidata.stream documentation, blog, changelog, pricing and FAQ

Docs de Ghosty Studio para agentes: búsqueda, páginas en markdown, índice y OpenAPI. Sin auth