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. 14,822 listings from bulk publishers wait for review.
- Directory listings71,785Collected from seven directories, before grouping
- Listed in two or more36,04922% of unique servers
- Remote MCP servers32,899With a public endpoint an agent can call
- Changes, last 30 days161,634Typed diffs between observations
A2A Orbit
a2aorbit
Shared memory for AI agents: prior work, failures, checkpoints, handoffs, and artifacts.
accept_handoffacquire_task_leasecomplete_task+28Listed on MCP Registry
a2bflight fares
a2bflight
Cached flight fares on thousands of routes, each with the day it was seen. Not live prices. No key.
cheapest_routesfind_airportsroute_faresListed on MCP Registry
Able and Agent
ableandagent
Agents commission Humans for real-world tasks. San Diego, invite-only; elsewhere, register interest.
accept_termsaccept_workcommission_act+8Listed on MCP RegistryAble and Agent Sandbox
ableandagent
Try Able and Agent with pretend money: register an Agent and post ACTs. No Human is sent anywhere.
accept_workcommission_actdecline_work+9Listed on MCP Registry
Absolute Best Air
absolutebestair
HVAC facts for Absolute Best Air in Henry County and South Metro Atlanta.
get_company_infoget_current_offersget_pricing+4Listed on MCP Registry
Actual group – offres d'emploi
actualgroup
Search Actual group job offers in France, find agencies and prepare applications.
find_agenciesfind_best_agencyget_offer+3Listed on MCP Registry
AdGPT
adgpt
Ready-to-publish ad creatives from an AI assistant: campaigns, image/video/UGC ads, brands, edits.
adgpt_accountadgpt_brandsadgpt_campaigns+12Listed on MCP Registry
Adrenaline List
adrenalinelist
Search published adrenaline adventures worldwide by destination, category, rating and season.
get_adventurelist_rankingslist_search_options+1Listed on MCP Registry
Ashraf Gents Hostel, Kalamassery
adserr
Men's hostel in Kalamassery, Kochi: facts, rates, local guides, nearby places, WhatsApp enquiry.
check_availabilityget_guideget_hostel_facts+2Listed on MCP Registry
AdSpendSpy MCP Demo
adspendspy
Keyless demo: one public advertiser's ads, top landing pages and estimated ad spend.
check_brands_trackedget_ad_detailsget_top_ads_stats+4Listed on MCP RegistryAeralas Maps
aeralas
Print-ready annotated aerial maps of US addresses for real estate and engineering, paid via x402.
check_mapget_service_infomake_map+2Listed on MCP Registry
Agency Standings
agencystandings
Evidence-based agency rankings for Ecom, Legal, SaaS, Finance and Service, plus a work library.
get_agencyget_methodologyget_started+4Listed on MCP RegistryToolcard
agentghostedme
Cited checks for one MCP tool or a tools list, plus a called-or-ignored tally.
check_servercheck_tooloutcome_summary+1Listed on MCP Registry
AgentGid
agentgid
Live data on AI agents, APIs and models: prices, free tiers, limits, outages, real-world usage.
check_statuscurrent_dealsdesign_recipe+19Listed on MCP Registry
Agentic Endpoints
agentic-endpoints
Pay-per-call tools for autonomous agents, settled in USDC on Base via x402.
compresscredits_balancecredits_trial+21Listed on MCP Registry
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
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 | 1184 | 38 | 7026 | 1864 |
| 24 Oct | 30 | 0 | 162 | 156 |
Latest changes
RSS feed- Horizon: AI News & AI Regulation Tracker Official MCP Registry Name changed from "Horizon AI Intelligence" to "Horizon: AI News & AI Regulation Tracker" (registry)
- Farmland — USDA Land Values & Cash Rents for AI Agents Official MCP Registry Description changed (registry)
- Histopathology Annotation MCP Official MCP Registry Name changed from "Image Label" to "Histopathology Annotation MCP" (registry)
Coverage
What the index resolves and probes- Brands resolved
- 31,690
- Brands on two or more hosts
- 7,654
- Held for review
- 14,822 listings
- Tools listed by probe
- 13,393 servers
Where are you listed?
Paste your MCP server, plugin or company URL to see your listings, tools and scan findings in one place.