MCPFax Reliability

{'type': 'object', 'required': ['endpoint'], 'properties': {'endpoint': {'type': 'string', 'examples': ['host:api.example.com'], 'description': "Observatory listing id. Use 'host:<hostname>' for an x402 endpoint, e.g. 'host:api.example.com', or 'mcp:<publisher>/<name>' for a registry-listed MCP server, e.g. 'mcp:acme/weather'."}}, 'additionalProperties': False}

{'type': 'object', 'required': ['endpoint'], 'properties': {'endpoint': {'type': 'string', 'examples': ['host:api.example.com'], 'description': "Observatory listing id. Use 'host:<hostname>' for an x402 endpoint, e.g. 'host:api.example.com', or 'mcp:<publisher>/<name>' for a registry-listed MCP server, e.g. 'mcp:acme/weather'."}}, 'additionalProperties': False}

{'type': 'object', 'required': ['subjects'], 'properties': {'since': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'examples': ['2026-08-28'], 'description': 'The watermark from your previous call (YYYY-MM-DD). Omit on a first call to receive the whole archive.'}, 'subjects': {'type': 'string', 'examples': ['host:api.example.com'], 'description': "Comma-separated endpoint URLs or host identifiers to check, at most 50, e.g. 'https://x402.browserbase.com/browser/session/create,host:api.example.com'."}}, 'additionalProperties': False}

{'type': 'object', 'required': ['address'], 'properties': {'address': {'type': 'string', 'pattern': '^0x[0-9a-fA-F]{40}$', 'examples': ['0x9a07CeA7ed111c93a233d1d12BbB68a511B59Eea'], 'description': 'The paying EVM wallet address, 0x followed by 40 hex characters.'}}, 'additionalProperties': False}

{'type': 'object', 'properties': {'since': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'examples': ['2026-08-01'], 'description': "Inclusive UTC start date in YYYY-MM-DD form, e.g. '2026-07-01'. Defaults to 30 days ago, but the feed cannot return events from before the archive start reported by GET /health; the response echoes effective_since and coverage.archive_since."}}, 'additionalProperties': False}

{'type': 'object', 'required': ['target'], 'properties': {'target': {'type': 'string', 'pattern': '^(?:https://[^\\s]+|host:[^\\s]+|mcp:[^\\s]+)$', 'examples': ['https://api.example.com/v1/search'], 'description': "The endpoint you are about to call. Preferred form is the absolute https:// URL of the exact resource you will pay for, e.g. 'https://api.example.com/v1/search'. An observatory id also works: 'host:<hostname>' or 'mcp:<publisher>/<name>'."}, 'probe_method': {'enum': ['GET', 'HEAD', 'OPTIONS'], 'type': 'string', 'description': 'HTTP method for the unpaid probe of a non-MCP endpoint, default GET. Only side-effect-free methods are accepted; this tool never sends a request that could change state at the target. A POST-only resource answers 404/405 here, which is reported as a property of the probe method.'}, 'expected_payto': {'type': 'string', 'examples': ['0x1831f336585a6C67B6A954d28f3E07F44C4EEBbd'], 'description': 'The payment destination you believe you are paying — an EVM address or a base58 Solana address. A mismatch is the strongest signal this tool produces.'}, 'expected_price': {'type': 'string', 'examples': ['0.01'], 'description': "What you believe the call costs. A decimal such as '0.01' is read as USD; a bare integer such as '10000' is read as atomic units."}, 'max_age_seconds': {'type': 'integer', 'maximum': 86400, 'minimum': 0, 'examples': [300], 'description': 'Your freshness bar, default 300. A stored observation older than this is still reported but may not support an ALLOW verdict. A stored observation newer than this can stand in for the live half if the live probe does not finish in time, and is labelled as recorded rather than live.'}, 'expected_schema_hash': {'type': 'string', 'examples': ['sha256:3b2d23d6e1a3b10024abd164368e5a1cd38c8400fca7bf10a84bab99eeeed8e0'], 'description': 'The schema hash a previous call to this tool returned in live.schema_hash. It covers tool names and input/output schemas, not titles or descriptions.'}}, 'additionalProperties': False}

{'type': 'object', 'required': ['wallet'], 'properties': {'wallet': {'type': 'string', 'pattern': '^0x[0-9a-fA-F]{40}$', 'examples': ['0x1831f336585a6C67B6A954d28f3E07F44C4EEBbd'], 'description': "The receiving EVM wallet address, 0x followed by 40 hex characters, e.g. '0x1831f336585a6C67B6A954d28f3E07F44C4EEBbd'."}}, 'additionalProperties': False}