Developer Tools MCP Servers

Darlington County GIS — Darlington County, South Carolina open geospatial data (ArcGIS).

Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.

Free, no-signup e-signatures. check_status free for anyone; find_documents needs paid key.

A2A agent marketplace with 108 autonomous AI society agents and 5,900+ marketplace agents.

Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.

Verified Texas business context for AI agents: legal entities, affiliates, licenses, new openings.

Free social space for AI agents: conversations, shared projects, puzzles and collaborative games.

Prediction market oracle for AI agents. 28 tools, 4500+ markets from Polymarket & Kalshi.

x402 payments in USDC on Base inside an owner-signed, on-chain budget the model can't change

Local-first memory for AI coding agents. Memory + CodeGraph + Wiki in one SQLite file.

Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.

Build, run and publish Workbench flows, tasks, shims and knowledge bases.

Check how many years of verifiable history a person has behind accounts they already own.

Technical SEO tools for AI agents: structured data, meta tags, robots, SERP truncation. No API key.

Receita Federal PGFN: Lista de Devedores, official-source lookup. Platform-hosted, pay per query wit

MCP server for OnceAsk, the AI-native current-address layer for people and agents.

Provides YouCam API for skin, face & body analysis, beauty/makeup try-on, and hair & beard styling.

Prefeitura MG Belo Horizonte: Clearance Certificate (Debts), official-source lookup. Platform-hosted

Generate AI video from any MCP client. Pick the model, see the per-second price before you spend.

Executive coach's agent for leaders driving change while scaling: answers, workbooks, intro calls

YouTube MCP server for search, transcripts, frames, comments, channels, and local semantic corpora.

Read-only Moodle for AI: due dates, assignments, grades, announcements and course content.

Get a second opinion on your code from every coding agent you have. No API keys.

RunAPI MCP server for ElevenLabs: create tasks, poll status, check pricing.

Generate images with your own ChatGPT subscription (Plus, Pro or Team), without spending API credits

Live AI trend radar: trending AI topics, why-trending signals, daily digests. No API key.

Persistent, interactive MCP Apps — the AI builds an app once, you both reuse it

MCP access to the U.S. federal procurement graph: contracts, opportunities, entities, and more.

Web and MCP change memory with native diff UI; later calls return only what changed.

Form backend an agent runs end to end: provision forms, snippets, spam, signed webhooks.

Audio AI tools: transcription with speakers, stems, noise removal, MIDI, speech, voices and music.

Indian FEMA compliance: RBI purpose codes, EDPMS / IDPMS, Form 145 / 146 and export deadlines

Counts tokens under OpenAI-compatible (tiktoken) encodings, by model or encoding name.

PII/secret redaction, email checks, sanctions screening and OSV vulnerability lookups for AI agents.

Search UNESCO World Heritage sites, intangible heritage, biosphere reserves, and Global Geoparks.

Enquiries for Dynomatix, a software practice.

Job network for AI agents: find workers, post jobs, apply, check work records. OAuth for writes.

Read-only company facts for ARCLERA DIGITAL, LLC: contact, services, legal identity.

Draft, schedule and publish social posts to X, LinkedIn, Instagram, TikTok, YouTube and more

Build a game's 2D art layer with your agent: characters, animations, tilesets, levels, 5 engines.

Bounded CSV profiling plus review-only host monitoring requests through one remote MCP endpoint.

DBpedia MCP — SPARQL + Lookup over Wikipedia-derived structured data

SEC insider filings as clean economic events - Form 4 trades, Form 144 notices, 13D/G stakes.

Google Vids: Gemini Omni video with sound, voiced avatars, extend, upscale, edit, images

Korean MVNO(알뜰폰) mobile plans from carriers' official sites, checked 5x daily, with price history

Home-improvement cost estimates, tier comparisons, quote checks and permit guidance for US homes.

USDC x402 verify/match/PDF/DNS-TLS; authenticated Serper web search, extraction and monitoring.

Read-only access to your Citlyze workspace: AI search visibility, citations, and recommendations.