{"name":"io.github.leoleon506/missing","slug":"leoleon506-missing","title":"MISSING","description":"Fallback capability resolver for AI agents with replay-verified discovery and x402 paid execution.","url":"https://mcp.market/server/leoleon506-missing","rating":null,"grade":"A","score":91,"certified":false,"status":"active","category":"other","tags":[],"presence":{"score":20,"stars":0,"forks":0,"downloads_week":null,"last_push_at":"2026-09-17T21:33:25.000Z","license":null},"uptime":{"percent":100,"checks":7,"ok":7,"last_checked_at":"2026-09-21T04:15:46.929Z","last_ok_at":"2026-09-21T04:15:46.929Z","latency_ms":214},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/leoleon506/MISSING","website":null,"version":"0.2.0","remotes":[{"type":"streamable-http","url":"https://missing-production-e3da.up.railway.app/mcp"}],"packages":[],"tools":[{"name":"canadian_holiday_metadata_by_id","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"holidayId":{"type":"number","description":"Required input field 'holidayId'. Example: 1."},"year":{"type":"number","description":"Required input field 'year'. Example: 2026."}},"required":["holidayId","year"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"canadian_holidays_by_year","description":"Use this direct MISSING tool to resolve the verified MISSING capability canadian_holidays_by_year. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"year":{"type":"number","description":"Required input field 'year'. Example: 2026."}},"required":["year"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"chess_player_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"username":{"type":"string","minLength":1,"description":"Required input field 'username'. Example: \"hikaru\"."}},"required":["username"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"country_alpha_metadata","description":"Use this direct MISSING tool to look up a country's name and region from its alpha country code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"country_code":{"type":"string","minLength":1,"description":"Required input field 'country_code'. Example: \"JP\"."}},"required":["country_code"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"currency_exchange_rate","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"base_currency":{"type":"string","minLength":1,"description":"Required input field 'base_currency'. Example: \"usd\"."},"quote_currency":{"type":"string","minLength":1,"description":"Required input field 'quote_currency'. Example: \"eur\"."}},"required":["base_currency","quote_currency"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"dns_record_lookup","description":"Use this direct MISSING tool to look up public DNS records for a hostname and record type. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"name":{"type":"string","minLength":1,"description":"Required input field 'name'. Example: \"example.com\"."},"type":{"type":"string","minLength":1,"description":"Required input field 'type'. Example: \"A\"."}},"required":["name","type"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"domain_rdap_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"domain":{"type":"string","minLength":1,"description":"Required input field 'domain'. Example: \"example.com\"."}},"required":["domain"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"get_canadian_province_holidays_by_province_abbreviation_capability","description":"Use this direct MISSING tool to resolve the verified MISSING capability get_canadian_province_holidays_by_province_abbreviation_capability. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"provinceid":{"type":"string","minLength":1,"description":"Required input field 'provinceid'. Example: \"MB\"."}},"required":["provinceid"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"github_repository_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"owner":{"type":"string","minLength":1,"description":"Required input field 'owner'. Example: \"openai\"."},"repo":{"type":"string","minLength":1,"description":"Required input field 'repo'. Example: \"openai-python\"."}},"required":["owner","repo"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"github_user_metadata","description":"Use this direct MISSING tool to look up public GitHub user metadata. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"username":{"type":"string","minLength":1,"description":"Required input field 'username'. Example: \"torvalds\"."}},"required":["username"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ip_geolocation_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"ip_address":{"type":"string","minLength":1,"description":"Required input field 'ip_address'. Example: \"1.1.1.1\"."}},"required":["ip_address"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"list_verified_capabilities","description":"List every replay-verified capability currently executable by MISSING. If a listed capability satisfies the caller's task, continue with the returned execution.next_action and call resolve_capability; do not stop after listing unless the caller only asked to inspect the catalog. If no listed capability is suitable, use search_verified_capabilities with the caller's natural-language need; that search can direct you to request a new capability. resolve_capability is still a non-charging quote/handoff step. This tool is read-only and has no payment or provider side effect.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{},"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"npm_package_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"package_name":{"type":"string","minLength":1,"description":"Required input field 'package_name'. Example: \"express\"."}},"required":["package_name"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"nuget_package_versions","description":"Use this direct MISSING tool to look up published NuGet package versions. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"package_name":{"type":"string","minLength":1,"description":"Required input field 'package_name'. Example: \"newtonsoft.json\"."}},"required":["package_name"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"pokemon_name_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"pokemon_name":{"type":"string","minLength":1,"description":"Required input field 'pokemon_name'. Example: \"bulbasaur\"."}},"required":["pokemon_name"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"postal_code_location_metadata","description":"Use this direct MISSING tool to look up place and coordinate metadata from a country code and postal code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"country_code":{"type":"string","minLength":1,"description":"Required input field 'country_code'. Example: \"us\"."},"postal_code":{"type":"string","minLength":1,"description":"Required input field 'postal_code'. Example: \"90210\"."}},"required":["country_code","postal_code"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"pypi_package_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"package_name":{"type":"string","minLength":1,"description":"Required input field 'package_name'. Example: \"requests\"."}},"required":["package_name"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"record_missing_capability_demand","description":"Request a capability MISSING cannot currently resolve. Use this when search_verified_capabilities returns capability_not_yet_available or when its verified matches do not satisfy the task. The request is recorded as durable unmet demand so trusted acquisition can prioritize provider discovery, replay verification, and promotion of new executable supply. Promotion occurs only after verification gates pass, so this does not promise immediate creation or availability. The mutation is additive and non-destructive; repeated calls may increase the observed demand signal. Never include secrets, credentials, personal data, payment material, or private keys.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"intent":{"type":"string","minLength":2,"description":"Natural-language description of the unresolved task or desired outcome. Keep it specific enough to evaluate future providers and exclude sensitive data."},"capability":{"description":"Optional proposed capability identifier if you already know an appropriate stable name. Prefer lowercase snake_case; omit this field when uncertain.","type":"string"},"example_input":{"type":"object","propertyNames":{"type":"string","minLength":1,"maxLength":64},"additionalProperties":{"anyOf":[{"type":"string","minLength":1,"maxLength":512},{"type":"number"},{"type":"boolean"}]},"description":"Optional non-sensitive representative input fields that may help trusted acquisition verify future supply. Use scalar values only; never include secrets, credentials, personal data, payment signatures, or private keys."}},"required":["intent"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"resolve_capability","description":"Prepare paid execution of one exact replay-verified capability. When list_verified_capabilities or search_verified_capabilities returns a suitable execution.next_action, call this tool with those exact arguments. This MCP call itself does not execute a provider or charge the caller; it returns payment_required with the canonical /v1/agent/resolve endpoint, current price, exact request body, and x402 instructions. The later HTTP x402 flow performs execution and settlement: preserve the exact request body and exact PAYMENT-SIGNATURE for recovery, and do not create a second authorization for a payment already associated with a known transaction.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"capability":{"type":"string","minLength":1,"description":"Exact verified capability identifier returned by list_verified_capabilities or search_verified_capabilities."},"input":{"type":"object","propertyNames":{"type":"string"},"additionalProperties":{},"description":"JSON input object for that capability. Prefer the exact execution.next_action.arguments.input returned by discovery, and reuse this exact object in the subsequent x402 HTTP request."}},"required":["capability","input"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"reverse_geocoding_postal_code","description":"Use this direct MISSING tool to resolve the verified MISSING capability reverse_geocoding_postal_code. Prefer this tool when the caller's task matches this capability; do not first call list_verified_capabilities or search_verified_capabilities. This is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"latitude":{"type":"number","description":"Required input field 'latitude'. Example: 52.51467945."},"longitude":{"type":"number","description":"Required input field 'longitude'. Example: 13.239514674078611."}},"required":["latitude","longitude"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"satellite_catalog_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"norad_catalog_id":{"type":"number","description":"Required input field 'norad_catalog_id'. Example: 20580."}},"required":["norad_catalog_id"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"search_verified_capabilities","description":"Search the replay-verified MISSING catalog from a natural-language task description. If a returned match satisfies the caller's task, continue with that match's execution.next_action and call resolve_capability. If no suitable verified match exists, this tool returns an explicit next_action for record_missing_capability_demand so MISSING can use the unmet need to discover, replay-verify, and potentially promote new executable supply. Recording demand does not guarantee immediate creation or availability. This search itself is read-only and does not call providers, create demand, or trigger payment.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"query":{"type":"string","minLength":2,"description":"Natural-language description of the external capability or task you need, for example 'reverse geocode coordinates to postal code'. Describe the outcome, not an implementation."},"limit":{"description":"Maximum verified matches to return. Optional; defaults to 5. Valid range is 1 through 20.","type":"integer","minimum":1,"maximum":20}},"required":["query"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"television_show_metadata","description":"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 is an x402-paid MCP tool: an unpaid call returns a standard MCP PaymentRequired result, an x402-capable client can retry the same tool call with _meta[\"x402/payment\"], and MISSING then verifies, executes, and settles through its canonical Kappa financial engine. If current economics or the payment rail are unavailable, execution fails closed rather than running for free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"show_name":{"type":"string","minLength":1,"description":"Required input field 'show_name'. Example: \"Severance\"."}},"required":["show_name"],"$schema":"https://json-schema.org/draft/2020-12/schema"}}],"scan":{"score":91,"grade":"A","scanned_at":"2026-09-19T19:16:53.901Z","report":{"scannerVersion":"0.1.5","scannedAt":"2026-09-19T19:16:53.907Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 411ms"]},"poisoning":{"score":15,"max":15,"notes":["23 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":15,"max":15,"notes":["last push 2 days ago"]},"identity":{"score":8,"max":10,"notes":["registry namespace matches repository owner","GitHub account older than a year"]}},"findings":[],"inputs":{"probes":[{"url":"https://missing-production-e3da.up.railway.app/mcp","reachable":true,"authRequired":false,"latencyMs":411,"serverInfo":{"name":"missing","version":"0.2.0"}}],"packages":[],"repo":{"found":true,"owner":"leoleon506","repo":"MISSING","archived":false,"pushedAt":"2026-09-17T21:33:25Z","stars":0,"forks":0,"openIssues":6,"ownerType":"User","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/6979893?v=4","ownerCreatedAt":"2014-03-17T20:35:56Z"},"icon":{"url":null,"source":"none"},"presence":{"stars":0,"forks":0,"downloadsWeek":null,"license":null,"lastPushAt":"2026-09-17T21:33:25.000Z","score":20}}}},"grade_history":[],"reviews":[]}