MISSING

Name: MISSING
Author: leoleon506

MCP serverMCP

Fallback capability resolver for AI agents with replay-verified discovery and x402 paid execution.

by leoleon506repository ↗v0.2.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability71/76 checks ok

Endpoints

https://missing-production-e3da.up.railway.app/mcpmcp streamable http · checked on a schedule

Registry facts

Not distributed through a package registry we index.

when	check	result	http	latency	detail
2 d ago	mcp initialize	failed	404	173 ms	http 404
6 d ago	mcp initialize	failed	404	216 ms	http 404
8 d ago	mcp initialize	failed	404	152 ms	http 404
9 d ago	mcp initialize	failed	404	173 ms	http 404
10 d ago	mcp initialize	failed	404	174 ms	http 404
10 d ago	mcp initialize	ok	200	184 ms	server missing 0.2.0 · protocol 2025-06-18 · 23 tools
10 d ago	mcp initialize	ok	200	179 ms	server missing 0.2.0 · protocol 2025-06-18 · 23 tools
11 d ago	mcp initialize	ok	200	155 ms	server missing 0.2.0 · protocol 2025-06-18 · 23 tools
11 d ago	mcp initialize	ok	200	184 ms	server missing 0.2.0 · protocol 2025-06-18 · 23 tools
11 d ago	mcp initialize	ok	200	154 ms	server missing 0.2.0 · protocol 2025-06-18 · 23 tools

Tools observed via MCP handshake

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 ca
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 capabili
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 fi
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
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 no
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 n
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
get_canadian_province_holidays_by_province_abbreviation_capabili — Use this direct MISSING tool to resolve the verified MISSING capability get_canadian_province_holidays_by_province_abbreviation_capability. Prefer this tool whe
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 li
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_ver
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; d
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_ve
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 lis
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_verifi
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
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_v
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 capa
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;
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 cal
list_verified_capabilities — List every replay-verified capability currently executable by MISSING. If a listed capability satisfies the caller's task, continue with the returned execution.
search_verified_capabilities — 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
record_missing_capability_demand — Request a capability MISSING cannot currently resolve. Use this when search_verified_capabilities returns capability_not_yet_available or when its verified matc
resolve_capability — Prepare paid execution of one exact replay-verified capability. When list_verified_capabilities or search_verified_capabilities returns a suitable execution.nex

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

publisherName Official MCP Registry

Derived by Wellknown

Capabilities

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

dev.version-controlVersion Control100%dev.package-managementPackages & Dependencies100%geo.mapsMaps & Places54%finance.marketsMarkets & Trading53%commerce.ecommerceE-commerce Operations51%

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryio.github.leoleon506/missing

first seen 29 d ago · fetched 2 d agoopen ↗

Field history (6 recent events)

29 d ago · declared · summary → "Fallback capability resolver for AI agents with replay-verified discovery and x402 paid execution."
29 d ago · declared · description → "Fallback capability resolver for AI agents with replay-verified discovery and x402 paid execution."
29 d ago · declared · publisherName → "leoleon506"
29 d ago · declared · repoUrl → "https://github.com/leoleon506/MISSING"
29 d ago · declared · version → "0.2.0"
29 d ago · declared · protocols → ["mcp"]