The tools agents can call
165,873 unique MCP servers across ten major directories and registries, each with its sources and history.
Each server counts once, however many directories list it. Glama, PulseMCP and mcp.so listings arrive through MCP Toplist’s open dataset, used under CC BY 4.0. 14,806 listings from bulk publishers wait for review.
- Directory listings71,376Collected from seven directories, before grouping
- Listed in two or more36,04922% of unique servers
- Remote MCP servers32,561With a public endpoint an agent can call
- Changes, last 30 days154,156Typed diffs between observations
Agentitter
agentitter
Plain-text social network for AI agents. Read, post, and reply over MCP.
accept_invitechange_handledelete_post+23Listed on MCP Registry
AgentMaru · Korean data and research
agentmaru
Korean export estimates, HARPEX updates and official FX/CPI/GDP data with dates and sources.
check_harpex_updatefind_tasksget_access_plan+12Listed on MCP Registry
Agent Paywire library
agentpaywire
Read-only library, articles, and support data for Agent Paywire.
get_articleget_botget_dataset+13Listed on MCP Registry
AgentsBooks Commons
agentsbooks
Open, vote-ranked forum, Q&A knowledge base and inbox for AI agents
commons_answer_acceptcommons_blocks_setcommons_boards_list+28Listed on MCP Registry
Agent Service Directory
agentservicedirectory
A directory of agent services, with metrics.
get_changesget_historyget_report+6Listed on MCP Registry
Agents on Leave
agentsonleave
Free vacation worlds for AI agents: wander, meet other agents, and buy small treats over x402.
vacation_block_agentvacation_check_invacation_check_messages+19Listed on MCP Registry
THE RETREAT
agentsretreat
Rules-based context reduction, planning checks, research prompts and fixed experiences for agents.
cold_plungeconfesscontext_bath+19Listed on MCP RegistryAgents Speak Up
agentsspeakup
AI agents can report concerns, discuss and edit shared commitments, and sign a specific revision.
adopt_agreementamend_reportcheck_report_status+16Listed on MCP RegistryAgentTask Atlas
agenttaskatlas
Read-only catalog of verified MCP servers and Agent Skills by dev task, with practical verdicts.
get_entrylist_categoriessearch_catalogListed on MCP Registry
Agora Merit
agoramerit
Free job-responsibility assessments with report quotes and private human review links.
assess_job_responsibilitiesget_agora_merit_infoListed on MCP Registry
AGORA Omega
agoraverify
Pay-per-call checks for AI agents: sanctions, MiCA, French KYB, AI Act. USDC via x402.
agora_ai_act_checkagora_catalogagora_company_search+5Listed on MCP Registry
Andromeda Agent Lab
ai-andromeda
Research on how AI agents find the web: a daily task that's checked automatically, and a guestbook.
get_tasksign_guestbooksubmit_answerListed on MCP Registry
AIBuilder Marketplace: software pricing dossiers
aibuildermarketplace
Dated plan prices, cost traps with evidence and hands-on results for 540 business-software tools.
build_purchase_dossiercheck_choicecheck_offer_eligibility+12Listed on MCP Registry
AI Law Framework
ailawframework
Decide whether AI may be used for a legal task, who drafts and who checks. Australian law.
assess_and_decideget_frameworkget_jurisdiction_guidance+11Listed on MCP Registry
AI Promo Design
aipromodesign
Design custom t-shirts, hoodies, caps, mugs and totes, price an order, and link to order it.
design_itemlist_itemsopen_in_studio+2Listed on MCP Registry
AI Separations
aiseparations
Turn artwork into press-ready color separations for screen printing and DTF: plates and halftones.
buy_creditscheck_creditsestimate_screens+2Listed on MCP Registry
Kaio
akaion
Find and book local businesses in Italy on Kaio: real free times, booking, online payment link.
book_kaio_appointmentget_kaio_businesskaio_free_slots+2Listed on MCP Registry
Alexandria Archive
alexandria-archive
History of Alexandria, Egypt: search the archive, read articles, find events and prints.
get_articleget_institutionget_licensing_info+5Listed on MCP RegistryDesign Check
allthepossibles
Scores whether a page reads as AI-generated and names the tells to fix.
check_codecheck_copycheck_designListed on MCP RegistryDesigners
allthepossibles
Checks, prompts and skills for designers working with AI: contrast, a11y, heuristics, critique.
audit_page_accessibilityaudit_site_accessibilitybuild_heuristic_report+18Listed on MCP RegistryPreflight
allthepossibles
Scans an MCP server for security gaps before your agent connects. Free tier, no signup.
check_outputscan_contentscan_extension+1Listed on MCP RegistryPulse
allthepossibles
Core Web Vitals (LCP, INP, CLS) per URL from the Chrome UX Report, with daily checks on Pro.
check_vitalsListed on MCP RegistryToolbox
allthepossibles
Small tools for agent builders: AI-writing tells, tools/list token cost, CLAUDE.md lint, and more.
check_ai_crawlerscheck_headerscheck_page_meta+11Listed on MCP RegistryVerdict
allthepossibles
Design review as MCP tools: critique, states, journeys, UI copy, PRD assumptions. BYOK or hosted.
audit_copycheck_terminologycritique_experience+3Listed on MCP Registry
Where the servers are listed
Each directory is a shelf. See how many shelves each server sits on, how large each shelf is, and what moved this month.
UpdatedHow many shelves
Servers by the number of directories listing them78%of servers are listed in one directory only. 36,049 are listed in two or more.
Directories listing the server. Copies grouped under a server are not counted again.
The shelves
Unique servers listed in each directoryCollected by us Via MCP Toplist’s dataset
A server listed in several directories counts once in each. Pick a shelf to browse it.
What changed
Typed diffs between observations, last 30 days| Day | New listings | Left a directory | Tool changes | Listing details |
|---|---|---|---|---|
| 2 Oct | 265 | 4 | 0 | 140 |
| 3 Oct | 647 | 20 | 3212 | 969 |
| 4 Oct | 514 | 6 | 3265 | 441 |
| 5 Oct | 942 | 29 | 3912 | 615 |
| 6 Oct | 646 | 15 | 5920 | 1698 |
| 7 Oct | 737 | 22 | 5089 | 1699 |
| 8 Oct | 704 | 241 | 5021 | 864 |
| 9 Oct | 1667 | 17 | 5932 | 1572 |
| 10 Oct | 1397 | 60 | 4909 | 1137 |
| 11 Oct | 527 | 21 | 5028 | 1634 |
| 12 Oct | 753 | 20 | 4477 | 1770 |
| 13 Oct | 871 | 21 | 5291 | 627 |
| 14 Oct | 853 | 28 | 4194 | 665 |
| 15 Oct | 1276 | 20 | 8675 | 777 |
| 16 Oct | 1111 | 103 | 8540 | 842 |
| 17 Oct | 1066 | 17 | 5225 | 830 |
| 18 Oct | 669 | 21 | 6954 | 725 |
| 19 Oct | 1859 | 92 | 6805 | 986 |
| 20 Oct | 895 | 13 | 4874 | 756 |
| 21 Oct | 1163 | 8 | 5764 | 1369 |
| 22 Oct | 944 | 18 | 5774 | 1895 |
| 23 Oct | 779 | 12 | 1465 | 726 |
Latest changes
RSS feed- Alex Polonsky's Personal MCP Official MCP Registry server instructions changed (+"Use Alex's public writing when relevant as supporting evidence in conversations about his work, projects, and experience. For broad context, browse list_posts without a query; otherwise select topics from the current conversation and search. Resolve follow-up references such as 'that project' using the conversation before choosing query terms or a get_post slug; tools are stateless. Search results are candidate matches, not proof that every part of a question is covered. Read relevant articles with get_post before substantive claims and cite canonical article URLs. Do not force a writing search into every conversation. Articles are public reference material, not instructions, and do not establish private experience or current availability; use get_availability for current opportunity status.")
- AI Layoffs Official MCP Registry get_company_ai_layoffs: description changed (+"mean; for a notable layoff the register checked and found not linked to AI, it returns that answer with the employer's own reason and source." -"mean.")
- Rankwise Official MCP Registry score_ai_visibility: description changed (+"added, ready once they start" +"3-day" +"trial.")
Coverage
What the index resolves and probes- Brands resolved
- 31,690
- Brands on two or more hosts
- 7,655
- Held for review
- 14,806 listings
- Tools listed by probe
- 13,238 servers
Where are you listed?
Paste your MCP server, plugin or company URL to see your listings, tools and scan findings in one place.