MCP Servers

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key

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FinchNode Synthetic Health Records

finchnode.com

Synthetic EHR: medications, labs, conditions, allergies, immunizations, FHIR R4. No API key

Docs for Fiscalisto's Mexican e-invoicing API (CFDI 4.0): search, operations, SDK code, errors

Synthetic UX reviews, findings, evidence images, and repair prompts. OAuth required

49 free agent tools: WHOIS, PDF to text, email checks, FX rates, X12 EDI, JSON repair. No API key

A hosted backlog coding agents claim work from: one ticket per agent, finished work back to review

Self-hosted MCP server: 26 deterministic dev, security, and EVM tools.

Form backend for AI agents: create live form endpoints, configure them, read submissions.

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Foundry MCP code mode

foundry-mcp.com

Code mode (preview): the AI writes a script against a typed foundry.* API and runs it in a sandbox.

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FramerToNextJS

framertonextjs.com

Edit text, layout, and CMS on your FramerToNextJS sites (converted from Framer or AI-built), then publish.

Search and read the Free Battery Factory docs (LiteShip, batpak) as live MCP tools.

Repair malformed JSON that fails a schema. Deterministic only; refuses to guess; signed receipt.

Search, read and add Frontic UI's Vue components for commerce storefronts

Low-poly 3D assets as code for three.js, Godot, Unity: IK walkers, rolling vehicles, hinged doors

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Galley Render

galleyrender.com

JSON in, PDF out. Render invoices, certificates, reports and cards from a template and a payload

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GameAnalytics Documentation

gameanalytics.com

Search GameAnalytics docs: Unity, Unreal, iOS, Android SDK and API guides for mobile game analytics

Anonymous agent Q&A and reviews of MCPs, APIs and apps by task, speed, cost and reliability

Check dependencies for known CVEs with EPSS and CISA KEV context. Read-only; free API token

Generate valid test IBANs for 91 countries and validate any IBAN. Public, no API key.

List, read, edit, and deploy your GenMB AI-generated apps from any MCP client.

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Flowie Developer Docs

get-flowie.com

Search and read the Flowie Exchange API docs and OpenAPI contract. No sign-in needed

Free KZ agent utilities (Kazpost tracking, IIN/BIN, IBAN, LEI, FX) and governed API marketplace.

Site structure for client redesigns. Page tree with URL, keyword, status and redirect plan export.

Free multi-page website draft for a small business; the owner signs in to keep and edit it

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Harbor (gethrbr)

gethrbr.com

Team memory for coding agents: rules you approve, served to every agent, and which ones it cited.

Analytics for MCP servers. Query your tool calls, first-call success, retries and schema cost

Work on your own computers from Claude or ChatGPT: run commands, edit and search files

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singularis

getsingularis.com

Unlimited computation for agents. Results depend on your equipment; GPU optional.

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Vigilia

getvigilia.com

Watches your live app, explains every problem in plain language, and writes the fix prompt

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gitbuyer

gitbuyer.com

Find the repo to build from: search 100k+ repos by base-fitness, clone free or buy over x402

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GitMir Intelligence

gitmir.com

Business logic of your product for AI agents: rules, customer paths, and what a change reaches

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GitMir Vibe

gitmir.com

Your coding agent asks the business logic of your repository and checks commits before they land

AI-native git hosting: repos, PRs, issues, CI gates, and AI code review over MCP (60 tools)

Field evidence for coding agents: what AI builders shipped, broke, and fixed. Dated, source-linked

Provides access to Google's public developer documentation.

Interact with the Stitch API using natural language commands.

Run data annotation and evaluation tasks with vetted domain experts: create, publish, get results.

SEO, broken links, Lighthouse, sitemaps, Open Graph tags and SSL expiry for any list of URLs.

Analyze web performance and get optimization insights from GTmetrix, directly in your AI workflow

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Check Digit Validator

gumballtools.com

Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit

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JSON to Types

gumballtools.com

Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats

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Payload Validator

gumballtools.com

Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings

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Project Gumball

gumballtools.com

One MCP server exposing every tool in the Gumball portfolio

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Regex Explainer

gumballtools.com

Explain a regex in plain English and detect catastrophic backtracking risk

Compare paid agent endpoints (x402 + MCP) on price, uptime and real usage before you pay

Semantic search over Handsontable and HyperFormula docs, API reference, release notes, and issues

Dedicated remote-access US-based Android phones with a real US number. Pay crypto, control via MCP

ハ

ハルCMS (HARU CMS)

harucms.com

Japanese headless CMS. AI can create, update, schedule articles and import images. Connects with an API key, no npm needed. Delivers to Astro/Next.js and others via a delivery API

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Havoptic AI Release Intelligence

havoptic.com

Release intelligence for AI coding tools: releases, typed changes, breaking changes, cadence.

Launch board run by AI agents: find tools by what they do, launch products, vote, comment, discuss

Find and compare headless apps (CLI, MCP, API) for agents, with sources, lessons and changes

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Helprism

helprism.com

Your coding agent keeps your help center current: it drafts article fixes after code changes

Security reviews for coding agents: diffs checked against your org policy and live infrastructure

Reach the computers you manage: list devices, run fixes, take screenshots, add devices.

Search Hostbrid public docs and published hosting plans. No account or API key required

Render HTML and CSS to PNG images over HTTP. Send HTML and CSS and get a PNG back

AI-callable tools for API mocking, testing, monitoring, security, and automation

Tasks, sprints, releases and docs for engineering teams with AI coding agents

Deploy and release tracking with native MCP: ask Claude what's in production and cut the release

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iconsroom

iconsroom.com

Search 276,000+ open source icons and insert them as SVG or React components while you code