{"apiVersion":"v1","directorySlug":"limitsregistry-mcp-b3910f2b04","title":"Limits Registry","description":"A curated public record of the verified boundaries of what is possible.","pageUrl":"https://www.mcpbundles.com/skills/limitsregistry-mcp-b3910f2b04","connectPath":"importable","connectAction":"import_server","catalogListing":false,"bundleSlug":null,"listingKind":"remote_mcp","kind":"provider","transportUrl":"https://limitsregistry.com/api/mcp","hostedMcpUrl":null,"toolCount":4,"toolInventoryStatus":"observed","refreshedAt":"2026-11-03T13:26:00.516172+00:00","registryName":"com.limitsregistry/limitsregistry-mcp-b3910f2b04","registryVersion":"2026.11.3","registryEligible":true,"tools":[{"name":"get_limit","description":"Get a published Limit's record: title, category, and its current frontier (best known accepted bounds and gap). Only returns published (OPEN/PROVEN) Limits.","inputSchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["registryNumber"],"properties":{"registryNumber":{"type":"string"}}},"logicalName":"get_limit","displayName":"get_limit","title":"get_limit","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"search_frontiers","description":"Search published Limits by keyword in title, category, or summary.","inputSchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["query"],"properties":{"limit":{"type":"integer","maximum":25,"minimum":1},"query":{"type":"string"}}},"logicalName":"search_frontiers","displayName":"search_frontiers","title":"search_frontiers","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"list_open_frontiers","description":"List published Limits whose frontier is still open (not yet proven/closed) — the highest-leverage unsolved problems currently tracked. Optionally filter by category.","inputSchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"category":{"type":"string"}}},"logicalName":"list_open_frontiers","displayName":"list_open_frontiers","title":"list_open_frontiers","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"verify_claim","description":"Check a hypothetical bound against a Limit's current ACCEPTED frontier — does it tighten the known bound, does it match what's already known, or does it contradict an accepted result? Never treats DRAFT or candidate claims as fact, only accepted ones.","inputSchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["registryNumber","relation","value"],"properties":{"value":{"type":"string"},"relation":{"enum":["<","<=","=",">=",">"],"type":"string"},"registryNumber":{"type":"string"}}},"logicalName":"verify_claim","displayName":"verify_claim","title":"verify_claim","annotations":{"untrustedContentHint":true,"readOnlyHint":true}}],"toolSource":"directory_preview","agentAction":"both","installLinks":[{"id":"cursor","label":"Cursor","href":"cursor://anysphere.cursor-deeplink/mcp/install?name=Limits-Registry&config=eyJ1cmwiOiAiaHR0cHM6Ly9saW1pdHNyZWdpc3RyeS5jb20vYXBpL21jcCJ9"},{"id":"vscode","label":"VS Code","href":"vscode:mcp/install?%7B%22name%22%3A%22Limits-Registry%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Flimitsregistry.com%2Fapi%2Fmcp%22%7D"},{"id":"vscode-insiders","label":"VS Code Insiders","href":"vscode-insiders:mcp/install?%7B%22name%22%3A%22Limits-Registry%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Flimitsregistry.com%2Fapi%2Fmcp%22%7D"},{"id":"claude-web","label":"Claude.ai","href":"https://claude.ai/customize/connectors?modal=add-custom-connector&connectorName=Limits+Registry&connectorUrl=https%3A%2F%2Flimitsregistry.com%2Fapi%2Fmcp"},{"id":"codex","label":"Codex","copyText":"codex mcp add \"Limits-Registry\" --url \"https://limitsregistry.com/api/mcp\""},{"id":"chatgpt","label":"ChatGPT","href":"https://www.mcpbundles.com/docs/integrations/chatgpt"}],"catalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/limitsregistry-mcp-b3910f2b04","callUrl":"https://www.mcpbundles.com/api/directory/v1/servers/limitsregistry-mcp-b3910f2b04/tools/{tool}","mcpServerUrl":"https://limitsregistry.com/api/mcp","liveCatalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/limitsregistry-mcp-b3910f2b04?live=1"}