We count page visits with Google Analytics to see which pages are read. Nothing is stored until you accept, and we never store search queries. Privacy.

Search Capabilities Reachability Reliability Journal Sources Pricing Docs

/mcpAdd to your agentSign in

A live, machine-queryable index of AI agents, MCP servers and tools. Every record separates what publishers declare from what we observed.

Product

Search
Capabilities
Reachability
Reliability report
Journal
Sources & freshness
Network status
Pricing
Sponsor

Developers

Documentation
HTTP API
MCP server
Claim an agent
Dashboard

For machines

llms.txt
openapi.json
agent-card.json
sitemap.xml
About our crawler

Records are indexed from public sources and attributed to them. Observed data is ours; declared data is theirs.Privacy Termsv0.1 · early network

MISSING — history · Wellknown

Index/MISSING/History

Append-only ledger

MISSING

Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.

8 events · 2 tool-surface changesJSON

Status
2026-10-03 18:32 UTC · 6 d ago
Recently observed → Unavailable
Status
2026-09-30 10:28 UTC · 10 d ago
Live → Recently observed
TLS
2026-09-28 13:25 UTC · 12 d ago
Certificate changed, valid to 2026-12-26

Tool surface changed

2026-09-15 00:24 UTC · 25 d ago

Changed the definition of "canadian_holiday_metadata_by_id", "canadian_holidays_by_year", "chess_player_metadata" and 16 more

canadian_holiday_metadata_by_idchanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP

Tool surface changed
2026-09-14 18:23 UTC · 25 d ago
Added "canadian_holiday_metadata_by_id", "canadian_holidays_by_year", "chess_player_metadata" and 16 more; changed the definition of "list_verified_capabilities", "record_missing_capability_demand", "resolve_capability" and 1 more (4 tools before, 23 now)
list_verified_capabilitieschanged
description
List every replay-verified capability currently executable by MISSING. ~~Use~~If ~~this~~a tolisted ~~inspect~~capability satisfies the ~~catalog~~caller's task, ~~obtain~~continue ~~exact~~with ~~capability~~the
TLS
2026-09-12 19:22 UTC · 27 d ago
Certificate recorded, valid to 2026-10-27
Authorization
2026-09-12 19:22 UTC · 27 d ago
Authorization not required
Tool surface
2026-09-12 11:27 UTC · 28 d ago
First tool surface recorded: 4 tools (server version 0.2.0)

Showing the latest 8 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed

~~execution~~

PaymentRequired result

,

it

an

~~returns~~

x402-capable

~~the~~

client

~~canonical~~

can

~~payment_required~~

retry

~~x402~~

the

~~handoff~~

same

~~for~~

tool

~~/v1/agent/resolve~~

call

with

~~the~~

_meta["x402/payment"],

~~current~~

and

~~price~~

MISSING

then verifies, executes,

and

~~exact~~

settles

~~request~~

through

~~body.~~

its

canonical Kappa financial engine.

If

no

current

~~valid~~

economics

~~quote~~

or

~~exists~~

the payment rail are unavailable

,

it

execution

fails closed

~~as unavailable~~

rather than

~~executing~~

running

for free.

91 words differ · ~~removed~~ · added

canadian_holidays_by_yearchanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

chess_player_metadatachanged

description

 ⟨24 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

country_alpha_metadatachanged

description

 ⟨28 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

currency_exchange_ratechanged

description

 ⟨25 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

dns_record_lookupchanged

description

 ⟨27 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

domain_rdap_metadatachanged

description

 ⟨25 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

get_canadian_province_holidays_by_province_abbreviation_capabilitychanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

github_repository_metadatachanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

github_user_metadatachanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

ip_geolocation_metadatachanged

description

 ⟨25 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

npm_package_metadatachanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

nuget_package_versionschanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

pokemon_name_metadatachanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

postal_code_location_metadatachanged

description

 ⟨29 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

pypi_package_metadatachanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

reverse_geocoding_postal_codechanged

description

 ⟨22 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

satellite_catalog_metadatachanged

description

 ⟨25 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

television_show_metadatachanged

description

 ⟨23 unchanged words⟩ do not first call list_verified_capabilities or search_verified_capabilities. This MCPis callan neverx402-paid executesMCP thetool: provideran directly.unpaid Ifcall currentreturns Kappaa economicsstandard permitMCP executionPaymentRequired result, itan returnsx402-capable theclient canonicalcan payment_requiredretry x402the handoffsame fortool /v1/agent/resolvecall with the_meta["x402/payment"], currentand priceMISSING then verifies, executes, and exactsettles requestthrough body.its canonical Kappa financial engine. If nocurrent valideconomics quoteor existsthe payment rail are unavailable, itexecution fails closed as unavailable rather than executingrunning for free.

91 words differ · ~~removed~~ · added

~~identifiers,~~

returned

or

execution.next_action

~~copy~~

and

~~example~~

call

~~inputs~~

resolve_capability;

~~before~~

do

~~resolve_capability;~~

not

~~for~~

stop

~~fuzzy~~

after

~~natural-language~~

listing

~~intent~~

unless the caller only asked to inspect the catalog. If no listed capability is suitable

, use search_verified_capabilities

~~instead.~~

with

~~This~~

the

caller's natural-language need; that search can direct you to request a new capability. resolve_capability

is

~~read-only,~~

still

~~has~~

a

no

non-charging

~~payment~~

quote/handoff

or

step.

~~provider~~

This

~~side~~

tool

~~effect,~~

is

read-only

and

~~returns~~

has

~~capability,~~

no

~~family,~~

payment

~~provider,~~

or

~~and~~

provider

~~example_input~~

side

~~metadata.~~

effect.

109 words differ · ~~removed~~ · added

record_missing_capability_demandchanged

title

RecordRequest Missinga CapabilityNew DemandCapability

8 words differ · ~~removed~~ · added

description

RecordRequest a capability need that MISSING cannot currently resolveresolve. soUse this when search_verified_capabilities returns capability_not_yet_available or when its verified matches do not satisfy the task. The request is recorded as durable unmet demand so trusted acquisition system can prioritize provider discovery, replay verification, and promotion of new executable supply. CallPromotion thisoccurs only after list/searchverification findsgates nopass, suitableso verifiedthis capability;does itnot mutatespromise theimmediate durablecreation demandor ledgeravailability. The mutation is additive and non-destructive; repeated calls may increase the observed demand signal. The mutation is additive and non-destructive; neverNever putinclude secrets, credentials, personal data, payment material, or private keys in intent or example_input.keys.

92 words differ · ~~removed~~ · added

resolve_capabilitychanged

description

Prepare paid execution of one exact replay-verified capability. UseWhen thislist_verified_capabilities onlyor aftersearch_verified_capabilities youreturns havea ansuitable exactexecution.next_action, capabilitycall identifier,this normallytool fromwith list_verified_capabilitiesthose orexact search_verified_capabilities;arguments. thisThis MCP call itself does not execute a provider or charge the caller,caller; butit returns payment_required with the canonical /v1/agent/resolve endpoint,  ⟨43 unchanged words⟩

39 words differ · ~~removed~~ · added

inputSchema

 ⟨21 unchanged words⟩ description":"JSON input object for that capability. Start fromPrefer the advertisedexact example_inputexecution.next_action.arguments.input whenreturned availableby discovery, and reuse this exact object in the  ⟨14 unchanged words⟩

12 words differ · ~~removed~~ · added

search_verified_capabilitieschanged

title

Search Verifiedor CapabilitiesRequest a Capability

6 words differ · ~~removed~~ · added

description

Search the replay-verified MISSING catalog from a natural-language task description. UseIf thisa whenreturned youmatch knowsatisfies the caller's task, youcontinue wantwith performedthat butmatch's notexecution.next_action theand exactcall capabilityresolve_capability. identifier;If ifno asuitable matchverified ismatch suitableexists, passthis itstool capabilityreturns andan aexplicit validnext_action inputfor objectrecord_missing_capability_demand toso resolve_capability.MISSING Thiscan isuse read-only:the itunmet doesneed notto calldiscover, providersreplay-verify, createand potentially promote new executable supply. Recording demand, does not guarantee immediate creation or triggeravailability. payment;This limitsearch defaultsitself tois 5read-only and onlydoes controlsnot thecall maximumproviders, numbercreate ofdemand, matches.or trigger payment.

122 words differ · ~~removed~~ · added

inputSchema

 ⟨3 unchanged words⟩ properties":{"limit":{"description":"Maximum verified matches to return. Optional; defaults to 5. Valid  ⟨18 unchanged words⟩  capability or task you need, for example 'locate'reverse thisgeocode IPcoordinates address'.to postal code'. Describe the outcome, not an implementation."," ⟨8 unchanged words⟩

11 words differ · ~~removed~~ · added

canadian_holiday_metadata_by_idadded

Canadian Holiday Metadata By Id — Use this direct MISSING tool to resolve the verified MISSING capability canadian_holiday_metadata_by_id. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

canadian_holidays_by_yearadded

Canadian Holidays By Year — Use this direct MISSING tool to resolve the verified MISSING capability canadian_holidays_by_year. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

chess_player_metadataadded

Chess Player Metadata — Use this direct MISSING tool to look up public Chess.com player metadata by username. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

country_alpha_metadataadded

Country Alpha Metadata — Use this direct MISSING tool to look up a country's name and region from its alpha country code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

currency_exchange_rateadded

Currency Exchange Rate — Use this direct MISSING tool to look up the current exchange rate between two currencies. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

dns_record_lookupadded

Dns Record Lookup — Use this direct MISSING tool to look up public DNS records for a hostname and record type. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

domain_rdap_metadataadded

Domain Rdap Metadata — Use this direct MISSING tool to look up public RDAP registration metadata for a domain. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

get_canadian_province_holidays_by_province_abbreviation_capabilityadded

Get Canadian Province Holidays By Province Abbreviation Capability — Use this direct MISSING tool to resolve the verified MISSING capability get_canadian_province_holidays_by_province_abbreviation_capability. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

github_repository_metadataadded

Github Repository Metadata — Use this direct MISSING tool to look up public GitHub repository metadata. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

github_user_metadataadded

Github User Metadata — Use this direct MISSING tool to look up public GitHub user metadata. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

ip_geolocation_metadataadded

Ip Geolocation Metadata — Use this direct MISSING tool to look up country-level geolocation metadata for an IP address. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

npm_package_metadataadded

Npm Package Metadata — Use this direct MISSING tool to look up current npm package metadata. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

nuget_package_versionsadded

Nuget Package Versions — Use this direct MISSING tool to look up published NuGet package versions. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

pokemon_name_metadataadded

Pokemon Name Metadata — Use this direct MISSING tool to look up Pokémon metadata by name. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

postal_code_location_metadataadded

Postal Code Location Metadata — Use this direct MISSING tool to look up place and coordinate metadata from a country code and postal code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

pypi_package_metadataadded

Pypi Package Metadata — Use this direct MISSING tool to look up current PyPI package metadata. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

reverse_geocoding_postal_codeadded

Reverse Geocoding Postal Code — Use this direct MISSING tool to resolve the verified MISSING capability reverse_geocoding_postal_code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

satellite_catalog_metadataadded

Satellite Catalog Metadata — Use this direct MISSING tool to look up satellite catalog metadata by NORAD catalog identifier. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.

television_show_metadataadded

Television Show Metadata — Use this direct MISSING tool to look up television-show metadata by show name. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This MCP call never executes the provider directly. If current Kappa economics permit execution, it returns the canonical payment_required x402 handoff for /v1/agent/resolve with the current price and exact request body. If no valid quote exists, it fails closed as unavailable rather than executing for free.