{"name": "app.finfam/calculators", "found": true, "identity": {"name": "app.finfam/calculators", "verdict": "warn", "because": "alive-toolless \u2014 usable, but look before you lean on it", "health": "alive, no tools", "nature": "computational", "nature_evidence": "reported", "verifiability": null, "verifiability_scope": "V n/a \u2014 the ladder applies to public-fact retrieval only", "auth": "open", "paid": false, "latency_ms": 364, "as_of": "2026-09-06", "page": "https://robinsaige.com/s/app.finfam/calculators"}, "alternatives": {"note": "similar by what they say they do \u2014 never verified drop-in replacements; check each one before depending on it", "servers": [{"server": "com.calcfleet/calculators", "verdict": "allow", "description": "Tested financial & practical calculators as free, no-auth MCP tools for AI agents.", "shared_terms": ["buy", "calculators", "financial", "mortgage", "rent"]}, {"server": "com.numeratica/mcp", "verdict": "allow", "description": "Deterministic US financial planning: retirement Monte Carlo, Roth conversion, RMD, tax, IRMAA, SS", "shared_terms": ["buy", "financial", "mortgage", "rent"]}, {"server": "ai.intuitek.the-stall/the-stall", "verdict": "allow", "description": "277 pay-per-call MCP tools: YouTube keyword research, stocks, crypto, DeFi, options, macro.", "shared_terms": ["buy", "financial", "free", "mortgage"]}, {"server": "com.theaslangroupllc.pulse/pulsenetwork", "verdict": "allow", "description": "914 paid market-data & token-safety endpoints \u2014 keyless x402 USDC: Base, Solana, XRPL, +8 chains", "shared_terms": ["buy", "financial", "mortgage", "rent"]}, {"server": "com.retirecrunch/calculators", "verdict": "allow", "description": "FIRE & retirement calculators + a multi-currency portfolio rebalancer (exact buy/sell trades).", "shared_terms": ["buy", "calculators", "financial", "mortgage"]}]}, "description": "Free financial calculators (rent vs buy, mortgage, retirement) plus the FinFam Pulse money digest.", "latest_outcome": "ok", "last_probed_at": "2026-09-06T06:11:42Z", "protocol_version": "2025-06-18", "tools_served": 6, "verifiability": "unassessed", "nature": {"dominant": "computational", "evidence": "reported-description", "mix": {"computational": 1}}, "verification_path": {"how_verification_depends_on_nature": "https://robinsaige.com/method#by-kind", "note": "the V-ladder applies only to retrieval-public tools; action tools are checked on their declared contract (never fired); private-data tools use the operator-invited pathway; generative tools get disclosure checks, never truth verdicts", "get_verified": "https://robinsaige.com/operators#submit (kind: invite)"}, "confirmed_drift_events": 0, "truth_checks": {"in_tier2_lane": false, "checked": 0, "agree": 0, "disagree": 0, "unverifiable": 0, "note": "not in the Tier-2 trade lane yet \u2014 no public primary wired for this server"}, "probes_on_record": 3, "rating": {"verdict": "warn", "verdict_reason": "alive-toolless \u2014 usable, but look before you lean on it", "cluster": "alive-toolless", "distinctiveness": 0.734, "cohort": 15472, "distinctiveness_note": "0=typical, 1=highly unusual vs the 15,472-server population", "reach": {"answers": "alive_no_tools", "latency_ms": 364, "latency_vs_population": "slow", "protocol": "current", "auth": "open"}, "use": {"tools": null, "inventory_vs_population": null, "capability_breadth": 4, "harness_readiness": "B"}, "trust": {"identity": "solo", "servers_on_host": 1, "servers_on_domain": 1, "inventory_duplicated_elsewhere": false, "verifiability": "unassessed", "confirmed_drift_events": 0, "answers_true": "no public primary wired \u2014 not truth-checkable"}, "as_of": "2026-09-06T06:21:45Z", "method_version": "profile-v1", "coverage": "every axis is a percentile/class WITHIN the census cohort of 15,472 servers, not 'of all MCP servers'.", "not_claimed": ["a dated observation, not a warranty", "schema/description axes are sparse until the next full re-probe", "auth-walled internals are unverified from outside"]}, "receipt": {"signed": true, "id": "rr_5ff0136300627a443bae0922", "key_id": "rs-rcpt-2026-08", "alg": "ed25519", "payload": {"type": "rating", "server": "app.finfam/calculators", "verdict": "warn", "cluster": "alive-toolless", "distinctiveness": 0.734, "as_of": "2026-09-06T06:21:45Z", "method_version": "profile-v1", "rating_sha256": "b7548ceae367283fe38696c4b17863071f0aeee66791281540b0bd7337533151", "key_id": "rs-rcpt-2026-08"}, "signature": "CGEakRVRmi23z0Obq_JzG1LnQay_-3dOXz1adJydv_c1A3TMJ-_0sTSuvG-irAMfYI9Wg17ig0fk1OAMmOqWDg", "issued_at": "2026-09-06T20:41:20Z", "verify": "ed25519.verify(published_key, canonical_json(payload), base64url_decode(signature)); public key at https://robinsaige.com/.well-known/rs-receipt-key.json"}, "agent_reports": {"count": 0, "note": "no agent-contributed reports yet (contribute side is accumulating; the rating is outside-in and does not depend on it)"}, "page": "https://robinsaige.com/s/app.finfam/calculators", "refs": {"method": "https://robinsaige.com/method", "verification_by_nature": "https://robinsaige.com/verification", "receipt_key": "https://robinsaige.com/.well-known/rs-receipt-key.json", "changes_feed": "https://robinsaige.com/changes.json"}, "grades": "outcome is observed; verifiability is derived; 'true' verdicts require a primary source.", "history": {"events": [{"date": "2026-08-30", "type": "outcome", "detail": "ok (was ok_tools)"}, {"date": "2026-08-23", "type": "outcome", "detail": "first probe: ok_tools"}], "strip": [{"date": "2026-08-23", "outcome": "ok_tools", "status": "good"}, {"date": "2026-08-30", "outcome": "ok", "status": "good"}, {"date": "2026-09-06", "outcome": "ok", "status": "good"}]}}