MCP Servers

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FastDrop

fastdrop.dev

Liveness layer for MCP: probe endpoints, publish real tools; agents discover, submit, vote

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envcp

envcp.fentz.dev

Encrypted environment variable vault with AI access policies, keeping secrets safe from AI agents

Known MCP tool-call failures and workarounds verified by reproduction

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FrontMCP docs

mcp.frontmcp.dev

FrontMCP's docs for coding agents: search, pages, APIs, examples and upgrades, by FrontMCP release

Roadmap, tasks, releases and user feedback your coding agent reads and writes over MCP

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Glitterball

glitterball.dev

Guided walkthroughs that play on your real prototype, with your team's feedback for your agent

Free agent tools, no sign-in: browser flows, test inboxes, web extract, site and domain checks.

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GreatWait

greatwait.dev

Reliable one-off and recurring HTTPS callbacks for apps and agents

Ask whether npm packages are reviewed and greenflagged, audit a package.json, and request imports

Verified latest versions, changes and exact-error fixes for agent dev tools. Read-only

IP geolocation: country, EU status, region, city, time zone and ASN for any IPv4/IPv6 address

Local deterministic project memory for AI agents with context packs, gates and checkpoints

Known vulnerabilities for exact package versions from OSV, with fixes. Paid per call, x402.

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Keyframer

keyframer.dev

150+ React Native animation recipes, scene authoring, phone preview via QR, Reanimated v4 codegen

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Agent Verification Utility

agent-economy.kgninja.dev

Deterministic JSON checks with signed evidence and x402-paid execution

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KitRank use cases

kitrank.dev

Read-only catalog of 1,500+ real, sourced AI agent use cases with tools, cost and setup prompts

Ask who calls a route, what a change breaks or who reads a field, across a system's repos.

Trust scores and dated liveness/drift facts for MCP servers, from the lastseen.dev notary register.

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Laterbase

laterbase.dev

A shared backlog for the out-of-scope work your coding agents find.

Feature flags and kill switches. Turn a shipped feature off in production without a deploy.

Compose a landing page from layouts observed on real pages, then review the built page for drift.

main

Validate a site's llms.txt against the spec: fetches every linked URL, scores it 0-100.

An MCP server that automatically collects feedback on your MCP server.

Gives your AI agent your story map and given/when/then acceptance criteria. Read-only

Grade an MCP server's auth against the spec and diagnose which layer a failure is in

Search a directory of MCP servers and get connect configs. Data is CC0/MIT-licensed

Run App Store Connect from your IDE — pricing, listings, screenshots, releases, AI visibility

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Monito

monito.dev

Test a web app in a real browser from plain English. Passed, failed or cannot verify, with evidence.

Free repository documentation for MCP and A2A agents. Bounded no-signup trial with shared cache

Cron jobs with retries, webhook relay, HTML-to-PDF, and transactional email for your app

MCP server providing OpenFeature SDK installation guides and OFREP flag evaluation

Read-only search and Markdown pages from the OpenPlanr docs, for coding agents

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Orvain UI

orvain.dev

Orvain UI design system for React and Vue: real component props, variants and tokens for AI tools

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PageHub

pagehub.dev

Build, edit and publish websites on PageHub: pages, blocks, themes, collections, domains

Find live MCP servers for any app — search 49k+ endpoints by need, auth, and status

x402 or card pay-per-call: invoice JSON, DNS, whois, SSL, geocode, RSS feeds, sitemaps, QR codes

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Hookden

hookden.pages.dev

Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures

ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack

Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains

Pay-per-call x402 npm and PyPI package metadata, versions, search, download counts

Agent-native website builder: create, edit, and host websites via MCP

Render Markdown, HTML or invoice/certificate/report templates to PDF files via the PaperType API

Hosted MCP server: convert PDFs to clean, LLM-ready Markdown with tables, formulas and OCR.

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Plumbkit

plumbkit.dev

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

Deploy any Git branch to a live HTTPS preview URL from your agent. No Dockerfile required.

Human QA on real phones and browsers for your coding agent. Pass/fail per step, with screenshots.

Find MCP servers by intent and get exactly how to connect to them right now. No proxying.

Read-only AI coding tools for change verification, release readiness, capacity, and guidance

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reapx Docker containers - Hub images, tags and pulls

reapx.dev

Scrape Docker Hub container images, tags, pulls and publisher metadata. Pay per row

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reapx npm packages - registry metadata and downloads

reapx.dev

Scrape npm package metadata, versions, downloads, dependencies and maintainers. Pay per row

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reapx Stack Overflow - questions, answers and tags

reapx.dev

Scrape Stack Overflow questions, answers, tags, scores and accepted status. Pay per row

Captured web interfaces, screenshots, flows and structured evidence for AI coding agents

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redirx

redirx.dev

Map old site URLs to new ones during a migration, review proposals and export approved redirects

Search packages across registries, and read their releases and CVEs

A cited wiki of your GitHub repo: search, read pages, find symbols and ask, with line citations

Hosted codebase intelligence for repos indexed on repowise.dev, no local indexing needed

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Reqistry

reqistry.dev

Discover, compare, and monitor 1,400+ APIs directly from your AI coding agent

Create or redesign websites and build web apps by chatting. Preview, refine, and publish in Revamp

Code review against your team standards, before the pull request: generator finds, judge confirms