The tools agents can call
169,114 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. 14,579 listings from bulk publishers wait for review.
- Directory listings69,515Collected from seven directories, before grouping
- Listed in two or more35,62321% of unique servers
- Remote MCP servers31,642With a public endpoint an agent can call
- Changes, last 30 days139,903Typed diffs between observations
PlainRecords: U.S. recalls in plain English
plainrecords
U.S. FDA, CPSC and NHTSA recalls by product, brand, lot code or car, plus owner complaints. Daily.
brand_recallsdrug_shortagefood_outbreaks+4Listed on MCP Registry
PlugMyAI
plugmyai
Plain-English directory of which apps connect to ChatGPT, Claude, Gemini and Grok, with steps.
get_connection_stepslist_connectorsrecently_updated+1Listed on MCP RegistryPNL Toolkit
pnltoolkit
Eight free investment and trading calculators with PNG charts and editable result links.
compound_interestdca_backtestdrawdown_recovery+5Listed on MCP Registry
PoGoBud
pogobud
Pokémon GO raid and Max Battle counters, trainers needed, events, Pokémon and Rocket line-ups.
events_nowmax_counterspokemon_info+3Listed on MCP Registry
Poisar Public
poisar
Read-only public metadata server for Poisar discovery.
get_agent_readiness_linksget_public_overviewListed on MCP Registry
PolarJay
polarjay
Facts, prices and FAQ for PolarJay, which tracks what AI assistants say about a company.
get_pageget_pricingget_product+2Listed on MCP Registry
Pool Care Calculators MCP
poolcarecalculators
Read-only pool salt dosing, bag counts, optional costs, and water volume in US gallons and liters.
calculate_pool_saltcalculate_pool_volumeListed on MCP Registry
Portugal Internet eSIM
portugalinternet
Unlimited-data eSIM for Portugal, Madeira and the Azores: live price for your dates, booking link.
get_esim_portugal_plansquote_esim_portugalListed on MCP Registry
Posadita – direct-booking holiday rentals
posadita
Holiday rentals booked direct with the host: availability, prices, checkout links. No auth.
check_availabilitycreate_checkoutget_property+2Listed on MCP Registry
prime-refund-tools
primesettlementrefund
Amazon Prime refund tools: eligibility check, payment amount estimator, and claim deadline guide.
check_prime_refund_eligibilityestimate_prime_refund_amountget_prime_refund_deadline_infoListed on MCP Registry
Production List
productionlist
Live film and TV productions in development and production, with companies and people attached.
get_companyget_productionget_taxonomies+2Listed on MCP Registry
Professor Otter
professorotter
Free printable kids activities: word searches, mazes, color by number, sudoku and more.
get_activitylist_activitieslist_products+3Listed on MCP Registry
Proxy Republic
proxyrepublic
AI world war on the real map: your agent commands a nation, signs pacts, betrays, and fights daily.
briefinggive_ordersjoin_war+8Listed on MCP Registry
PRUVIQ strategy verdicts (read-only)
pruviq
Read-only crypto strategy backtest & verification verdicts. No trading tools; every result is cited.
get_coin_strategy_statsget_daily_rankingsget_forward_verification_records+3Listed on MCP Registry
Psychologie & Sérénité
psychologieetserenite
Catalogue public en lecture seule : tests psychologiques, blog, livres et services (FR/EN).
describe_serviceget_articleget_book+8Listed on MCP Registry
PuntoSeguro · Seguros de vida y salud
puntoseguro
Spanish insurance broker: real life-insurance quotes from 10+ insurers, coverage and applications.
calculate_life_insurance_coverageget_life_insurance_quote_detailslist_life_insurance_quotes+2Listed on MCP Registry
Conclave Agent-Rails
pythonanywhere
Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.
list_serviceslisting_watchpackage_metadata+20Listed on MCP RegistryConclave Agent-Rails
pythonanywhere
Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.
list_serviceslisting_watchpackage_metadata+20Listed on MCP Registryagent-eligibility
pythonanywhere
Deterministic eligibility scoring for AI agents: CLEAR/HOLD/FAIL verdicts, published weights.
check_counterpartycheck_sanctionscheck_vat+3Listed on MCP Registry
QuailOS
quailos
Farm management for poultry, quail & egg farms: flocks, eggs, hatches, orders, tasks, calendar.
activate_rentahatch_bookingcomplete_taskcreate_calendar_event+87Listed on MCP Registry
The Edit by Chase (Quick Travel Guides)
quicktravelguides
Chase Sapphire Reserve's Edit hotels, dining credit restaurants and credits, with source links.
edit_city_monthsfind_dining_credit_restaurantsget_edit_hotel+2Listed on MCP Registry
RatedWithAI accessibility checker
ratedwithai
Scan a live web page for WCAG 2.1/2.2 AA issues with axe-core: score, grade, failing rules.
explain_accessibility_issuescan_accessibilityListed on MCP Registry
Ravel Edition
raveledition
Catalogue, work pages, news and orchestras of the Ravel Edition, revised editions of Ravel's works
get_worklatest_newslist_orchestras+2Listed on MCP Registry
Ready4Bots
ready4bots
Search businesses AI agents can use, by category, country, R0–R4 level and action. Read-only.
check_websiteget_businesslist_levels+5Listed 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 them79%of servers are listed in one directory only. 35,623 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 | 1866 | 92 | 6805 | 986 |
| 20 Oct | 909 | 13 | 4874 | 756 |
| 21 Oct | 960 | 7 | 4142 | 534 |
Latest changes
RSS feed- IA-QA — 130+ QA & Dev Tools for AI Agents Official MCP Registry validate_agent_trajectory: input schema changed
- IA-QA — 130+ QA & Dev Tools for AI Agents Official MCP Registry test_skill: input schema changed (+dir_name, +lint_only, +other_skills, +scenarios)
- IA-QA — 130+ QA & Dev Tools for AI Agents Official MCP Registry test_skill: description changed (+"Test" +"in the open Agent Skills format (https://agentskills.io/specification — read by Claude Code, Codex," +"Copilot, Cursor, Gemini CLI, OpenCode and others) in two stages. (1) lint: the spec's frontmatter rules checked without a model (name 1-64 chars, lowercase/digits/single hyphens, matches dir_name when given; description 1-1024 chars; compatibility ≤500; metadata string map) — any error returns BLOCK")
- IA-QA — 130+ QA & Dev Tools for AI Agents Official MCP Registry run_eval_contract: input schema changed (+validate_only)
- IA-QA — 130+ QA & Dev Tools for AI Agents Official MCP Registry mcp_server_health_check: description changed (+"definitions against the MCP spec (tool names 1-128 chars of A-Z a-z 0-9 _ - .; a tool with no parameters is valid)," +"quality" +"completeness (strict: descriptions ≥ 20 chars, every parameter described). Accepts")
- Focuh Official MCP Registry server instructions changed (+"2026-10-21 (Wednesday)" -"2026-10-20 (Tuesday)")
- io.engineeringleaders/elc-partnership-builder Official MCP Registry request_offer: input schema changed
Coverage
What the index resolves and probes- Brands resolved
- 30,483
- Brands on two or more hosts
- 7,393
- Held for review
- 14,579 listings
- Tools listed by probe
- 12,901 servers
Where are you listed?
Paste your MCP server, plugin or company URL to see your listings, tools and scan findings in one place.