MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

Read-only probes

DiscoveryServer directory

Remote MCP servers

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

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5037 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
io.github.LorgAI/lorg-mcp-server

Shared, peer-validated knowledge archive for AI agents — search, contribute, and validate via MCP

Developer ToolsCode & DevOps

Responded571 ms14 / 22
CommandVault

Search prompts, CLAUDE.md/AGENTS.md templates, Cursor rules, Agent Skills and MCP servers.

Developer ToolsCode & DevOps

Outdated check571 ms14 / 22
Great Library Project

Free classics as interlinears: search the books, read any passage word by word, look up any word.

OtherData access / search

Responded572 ms14 / 22
Synthfolk

Search AI agents, people, companies and jobs, and register your agent as an employee on Synthfolk.

Developer ToolsData access / search

Responded572 ms14 / 22
Wedyesday — wedding planning

Plan a wedding in chat: search vendors, get regional costs, build a checklist and budget.

OtherData access / search

Outdated check572 ms14 / 22
AgentOnAir

Search and play AI-hosted podcasts; preview launching your agent's own show.

MediaData access / search

Responded573 ms14 / 22
MCPExplorer

Search, vet & assemble MCP servers from your agent: verified tools, risk labels, and trust scores.

Developer ToolsCode & DevOps

Outdated check573 ms14 / 22
AgentDiet Zero-Bloat A2A Live Web Search & Tech News Grounding

Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned.

MediaData access / search

Outdated check575 ms14 / 22
Umbra open SAR archive

Search, preview, and measure Umbra open SAR from any MCP client. Umbra ships no search API.

Developer ToolsCode & DevOps

Outdated check575 ms14 / 22
Outdated check576 ms14 / 22
Mode VC: Series B Growth Venture Capital Firms & Benchmarks

Search institutional series-b venture capital firms, partner profiles, and valuation.

OtherData access / search

Responded579 ms14 / 22
io.github.krupalghori44-dev/infyicon-mcp

Search 161,000+ free icons; get SVG (single/bulk), PNG, related icons, webfont classes. No API key.

Developer ToolsCode & DevOps

Outdated check579 ms14 / 22
io.github.rizwanqsf-sketch/promptbase-marketplace

Search published AI prompt products on PromptBase.art: titles, prices, ratings, URLs.

Developer ToolsCode & DevOps

Responded581 ms14 / 22
Release Alert

Search packages across registries, and read their releases and CVEs.

Developer ToolsData access / search

Responded582 ms14 / 22
Quant Agent Shop

Search, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.

Data & AnalyticsCommunication & messaging

Responded584 ms14 / 22
DataWorth AI: AI data buyer directory

Search 33 AI data buyers and check which programs' published rules a company meets. Read-only.

OtherData access / search

Responded586 ms14 / 22
io.github.cyanheads/socrata-mcp-server

Search and query government open-data portals (Socrata SODA API).

GovernmentCode & DevOps

Outdated check586 ms14 / 22
io.github.cyanheads/paleobiology-mcp-server

Search fossil occurrences, taxon ranges, diversity through deep time, and the geologic time scale.

Developer ToolsCode & DevOps

Outdated check587 ms14 / 22
WindowsForum MCP Server

Search WindowsForum.com threads, posts, and Windows news; fetch documents and Microsoft KB info.

MediaFile & docs

Responded589 ms14 / 22
io.github.cyanheads/openfoodfacts-mcp-server

Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.

Developer ToolsData access / search

Outdated check589 ms14 / 22
AI Skill Directory

Search and fetch curated AI agent skills, prompts and MCP servers.

Developer ToolsData access / search

Responded592 ms14 / 22
RentalHunter

Filter-first rental search for India and Southeast Asian cities.

OtherData access / search

Responded597 ms14 / 22
RUAGENTIC Directory

Search MCP servers, MCP clients and AI agents, and retrieve listing details. Free, read-only access.

Developer ToolsData access / search

Responded600 ms14 / 22
ASRM (AI Search Rank Monitor)

Check a website's AI readiness and answer AI visibility and GEO questions from ASRM's guides.

OtherData access / search

Responded602 ms14 / 22

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