MCP Servers

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

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC)

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)

F

fxray

S-CurveLabs

Power Apps via pac: solutions, canvas Power Fx source, Dataverse metadata, FetchXML, gated imports

L

letin: Power Query (M)

S-CurveLabs

Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects

Semantic code search for AI agents: hybrid BM25+vector, call-graph, 20+ languages.

AI browser tests from your coding agent: a verdict, failing steps, report, video and trace.

P

parbaked

saml7n

Scaffold invite-only Python/FastAPI apps with auth, admin dashboard, dev server, and deploy to fly.io

M

macadress

samymassoud

MAC address and OUI vendor lookup over Model Context Protocol

An i18n github action for language translate

C

camacho-mcp

sanchirico

Persistent tmux terminal for AI agents with real-time spectating and SSH host-group dispatch

S

SlateHut

sandeep1995

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

A

AgentTwin Documentation

Sashank-Singh

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

Internal test MCP server for local dev and Bifrost integration testing

M

mcp-openapi-runner

saurav61091

Turn any OpenAPI 3.x spec into callable MCP tools for Claude. No custom integration code needed.

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

T

TAPD MCP Server

scizuixiangsis

Query, analyze and backfill TAPD bugs / requirements in Cursor/Copilot

Hosted MCP endpoint: 46 tools free (rate-limited) + 31 REST routes pay-per-call via x402.

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

A

API Plan Finder

scraping-api-plans

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

S

Sendora

sendora.se

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

K

Keel

seayniclabs

Network diagnostics: ping, traceroute, DNS, port scanning, and connectivity testing

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

Query PanDev Metrics analytics and reporting data

M

mcp-geratools

gera.services

base64, hashing, regex, word count, JWT decode and CSS unit conversion. Deterministic, offline.

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

K

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.

V

Volley

volley.sh

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

M

mcp-server-registration

shafarenkacfi

An MCP server that provides [describe what your server does]

S

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

G

glimind

shawndei

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

MCP server for orchestrating Node.js development servers (backend, frontend, databases, etc.)

C

codebase-chat

shinzarou-eng

Local-first codebase intelligence: cited answers, audits, reports. EN/FR

D

dsh-codebase-chat

shinzarou-eng

Local-first codebase intelligence: cited answers, audits, reports. EN/FR

Create and manage Planform UML diagrams, nodes, and links. For VS Code and Cursor

G

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

Design system for coding agents: component specs, rules, tokens, icons and checked React snippets.

B

bridgistic

Shubochandrosarker

Connect Claude to WordPress safely: signed requests, scoped keys, approvals, logs, snapshots

D

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

G

getskills

Sidsaladi9

Search and install 3,000+ AI skills from getskillsai.org into Claude Code, Cursor, ChatGPT

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

A

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