"Understanding File Systems" matching MCP connectors:

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Design source-of-truth for AI coding agents to read a project's systems and propose changes back.

11.3M entities, 10 countries, 13 tools. EU VAT (VIES), BORME, GLEIF, KYB. Free: 100 req/month.

Upload a file and get a public shareable URL via API or MCP.

Connect the OneStepTranscribe MCP server to your AI assistant and turn audio or video into text without leaving the chat. It is a remote server, so there is nothing to install, no API key, and no account. Just add one URL and ask your assistant to transcribe a file.

Elevation, slope, terrain maps & 3-D surfaces for any site — near-global 30 m, US 10 m, AU/NZ 5 m.

Checks whether a website is readable and citable by AI systems (ChatGPT, Claude, Perplexity, etc.)

PDF, photo, email, and file comparison evidence checks with plain-language reports.

Cloud file relay: chunked uploads, folders, share links, inline text reads, ZIP packing.

Generate design systems: OKLCH color palettes, fluid type scales, spacing, shape and icon tokens.

AI image processing: upscale, resize, crop, compress, convert file format, and generate SEO metadata

Query US tap-water quality from the EPA's own SDWIS records: the water systems serving a city, contaminants and violations on record (with dates and whether the EPA classifies them as health-based), compare cities, and explain contaminants. Public, no-auth, read-only. ~19,000 cities across all 50 states + DC, ~1.5M EPA records. Every response reports what the EPA recorded, never a safety verdict.

Rebuilds the scores real systems run on you — credit, actuarial, lending — in the open, cited.

Scholarship database, GPA converter, visa guidance, and cost estimator for African postgraduate students. 172 full-ride + 61 full-tuition scholarships across 32 countries, 54 nationalities, 13 grading systems. 6 tools. No auth required.

Sandbox workspace tools: search, file read, DB queries, integrations. Returns synthetic data.

Compliance API bridging AI agents to Norwegian government systems (Altinn, Maskinporten, BRREG)

FBI Art Crimes MCP — FBI National Stolen Art File (free, no auth).

Reference vehicle prices in Brazil (FIPE table), cars, motorcycles and trucks. Browse by brand/model

Markdown to PDF: headings, bold, code, lists, rules. A4/Letter/Legal. Free 30/hr. MCP + REST.

Authenticated, user-scoped MCP connectors for 30+ business systems.