MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1725 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Rev.ai MCP by usefulapi

Transcribe audio with Rev.ai: submit jobs by URL, read transcripts, summaries and captions.

MediaAI / LLM tooling

Outdated check56 ms14 / 22
TinyPNG MCP by usefulapi

Compress, resize and convert images with TinyPNG by URL, and check this month's compression count.

MediaAI / LLM tooling

Outdated check58 ms14 / 22
Lambda Labs MCP by usefulapi

Read GPU instances, types, images, filesystems and firewall rules; launch and terminate instances.

Developer ToolsFile & docs

Outdated check59 ms14 / 22
htmldrop

Publish HTML, Markdown, PDF, or images as instant shareable links with expiry and passwords.

MediaFile & docs

Responded64 ms14 / 22
AI SENSE Free Public Tools

87 public tools: agent workflows, audio data transfer, semantic search, queues and webhooks.

MediaAutomation & workflows

Outdated check71 ms14 / 22
Together AI MCP by usefulapi

Run Together AI chat, embeddings and images; manage fine-tunes, batches and endpoints.

MediaAI / LLM tooling

Outdated check75 ms14 / 22
Tyton

Audit and set up Meta Pixel and the Conversions API from your AI agent.

MediaAI / LLM tooling

Outdated check77 ms14 / 22
Pixel Agent

Convert images to PNG, JPEG, WebP, or AVIF through one public remote MCP tool.

MediaCode & DevOps

Outdated check86 ms14 / 22
Mlola UI

Mlola UI components, tokens and design rules for coding agents, with a markup checker

Developer ToolsCode & DevOps

Outdated check88 ms14 / 22
CollectSEA

Find real software, security and AI-agent failures that resemble your design, with safeguards.

Developer ToolsCode & DevOps

Outdated check92 ms14 / 22
io.github.zxm9988/bilingual-mix

Remote MCP server for sentence-by-sentence alternating bilingual listening audio.

MediaCode & DevOps

Outdated check96 ms14 / 22
AI Video Atlas

Plan AI video shots: model picks, sourced prompts, prompting guides and real $/s costs.

MediaAI / LLM tooling

Outdated check112 ms14 / 22
io.github.KarstenKreh/standby-design-mcp

Generate design systems: OKLCH colors, fluid type scales, spacing, shape, icon and motion tokens.

Developer ToolsCode & DevOps

Outdated check120 ms14 / 22
Video Dept. AI

Plan a video and script with VIDEO DEPT. in Fort Lauderdale, send a brief, book a call with Nikita.

MediaAI / LLM tooling

Outdated check124 ms14 / 22
bunny.net MCP by usefulapi

Inspect pull zones, storage, DNS and video libraries on bunny.net, and purge caches.

MediaAI / LLM tooling

Outdated check130 ms14 / 22
Speechmatics MCP by usefulapi

Transcribe audio and video with Speechmatics speech-to-text from Claude and any MCP client.

MediaAI / LLM tooling

Outdated check138 ms14 / 22
Magic Master — Audio Mastering

Audio mastering for AI agents: LUFS/True Peak targets, Suno/Udio AI-fingerprint removal.

MediaAI / LLM tooling

Outdated check147 ms14 / 22
Commonkite: Free Image Search API, Creative Commons & CC0

Commonkite: free-to-use CC/public-domain images with license + credit line.

MediaCode & DevOps

Outdated check158 ms14 / 22
Taste Profile

Turn the reference images you collect into a written design taste your assistant can follow.

MediaAI / LLM tooling

Outdated check184 ms14 / 22
CraftMyPDF MCP by usefulapi

Generate PDFs and images from CraftMyPDF templates; read templates, versions and usage.

MediaAI / LLM tooling

Outdated check186 ms14 / 22
Docmint

PDF and image tools for AI agents: compress, merge, split, OCR, sign. Runs locally, never uploads.

MediaCode & DevOps

Outdated check187 ms14 / 22
DESIGN.md Linter & Extractor

Lint and diff DESIGN.md files with the official Google linter, or write one from a web page.

Developer ToolsCode & DevOps

Outdated check190 ms14 / 22
Api2Pdf MCP by usefulapi

MCP server for Api2Pdf — generate PDFs & images from HTML, URLs or office files; merge, barcodes.

MediaAI / LLM tooling

Outdated check195 ms14 / 22
api.video MCP by usefulapi

Manage videos and live streams, inspect captions, players and webhooks, and read play analytics.

MediaAutomation & workflows

Outdated check199 ms14 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence