[{"slug":"ZV-2026-0360","server_name":"mcp.signalnodus.ai","severity":"breaking","title":"mcp.signalnodus.ai: Tool risk_churn_score was renamed to rewrite_ratio.","summary":"[breaking] Tool risk_churn_score was renamed to rewrite_ratio. [safe] Description of cftc_positioning changed (23% word delta). [risky] Description of compare_filings changed (37% word delta). [risky] Description of crop_data changed (29% word delta). [risky] Description of domain_report changed (44% word delta). [risky] Description of energy_data changed (32% word delta). [risky] Description of evm_balance changed (50% word delta). [risky] Description of evm_gas changed (53% word delta). [risky] Description of evm_receipt changed (50% word delta). [risky] Description of filing_section changed (45% word delta). [risky] Description of fx_rate changed (40% word delta). [risky] Description of gas_optimizer changed (27% word delta). [risky] Description of government_contracts changed (36% word delta). [risky] Description of lobbying changed (38% word delta). [risky] Description of prediction_markets changed (47% word delta). [risky] Description of risk_churn_score changed (57% word delta). [risky] Description of token_price changed (41% word delta). [risky] Description of token_report changed (29% word delta). [risky] Description of trade_flows changed (33% word delta). [safe] Description of x402_audit changed (24% word delta).","changes":[{"kind":"tool_renamed","tool":"risk_churn_score","after":"rewrite_ratio","before":"risk_churn_score","detail":"Tool `risk_churn_score` was renamed to `rewrite_ratio`.","severity":"breaking"},{"kind":"description_changed","tool":"cftc_positioning","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Weekly Commitments of Traders positioning for a futures contract: non-commercial (speculative) and commercial (hedging) longs, shorts and net, net as a share of open interest, and the week-over-week changes. Match by contract name fragment such as CRUDE OIL, WHEAT, GOLD or S&P 500. The disclosed record only, no forecast. Costs $0.05 per call.","before":"Weekly Commitments of Traders positioning for a futures contract: non-commercial (speculative) and commercial (hedging) longs, shorts and net, net as a share of open interest, and the week-over-week changes. Match by contract name fragment such as CRUDE OIL, WHEAT, GOLD or S&P 500. The disclosed record only, no forecast. Costs $0.05 per call.","detail":"Description of `cftc_positioning` changed (23% word delta).","severity":"safe","descriptionDelta":0.22580645161290325},{"kind":"description_changed","tool":"compare_filings","after":"Year-over-year diff of a 10-K risk-factor or MD&A section: the added and removed passages plus a change ratio, so an agent gets what changed instead of two multi-megabyte filings to parse. Pass two accession numbers to pin exactly which filings are compared; otherwise the two most recent of that form are used and the response says which, warning if a later amendment exists. Failure mode: if either section cannot be located or parsed into sentences, the call errors rather than reporting a false 0% change. Diff accuracy and method are published at signalnodus.ai/eval. Two large cold filings can take tens of seconds. Costs $0.50 per call. No subscription: present a credit key or a machine payment.","before":"Year-over-year diff of a 10-K risk-factor or MD&A section: the added and removed passages plus a change ratio, so an agent gets what changed instead of two multi-megabyte filings to parse. Pass two accession numbers to pin exactly which filings are compared; otherwise the two most recent of that form are used. Costs $0.50 per call. No subscription: present a credit key or a machine payment.","detail":"Description of `compare_filings` changed (37% word delta).","severity":"risky","descriptionDelta":0.3655913978494624},{"kind":"description_changed","tool":"crop_data","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Official USDA NASS estimates from Quick Stats: yields, production, area planted and harvested, stocks, and prices received, national or by state. Values are as published, including NASS's own suppression markers. Costs $0.05 per call.","before":"Official USDA NASS estimates from Quick Stats: yields, production, area planted and harvested, stocks, and prices received, national or by state. Values are as published, including NASS's own suppression markers. Costs $0.05 per call.","detail":"Description of `crop_data` changed (29% word delta).","severity":"risky","descriptionDelta":0.29166666666666663},{"kind":"description_changed","tool":"domain_report","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): DNS records, SPF presence, registration date and age, registrar, expiry and RDAP status for a hostname, in one call. Costs $0.01 per call.","before":"DNS records, SPF presence, registration date and age, registrar, expiry and RDAP status for a hostname, in one call. Costs $0.01 per call.","detail":"Description of `domain_report` changed (44% word delta).","severity":"risky","descriptionDelta":0.4358974358974359},{"kind":"description_changed","tool":"energy_data","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Official EIA energy figures, newest period first: electricity_price (retail cents per kWh by state and sector), fuel_price (retail gasoline and diesel dollars per gallon by region), grid_demand (hourly demand and day-ahead forecast by balancing authority). Costs $0.05 per call.","before":"Official EIA energy figures, newest period first: electricity_price (retail cents per kWh by state and sector), fuel_price (retail gasoline and diesel dollars per gallon by region), grid_demand (hourly demand and day-ahead forecast by balancing authority). Costs $0.05 per call.","detail":"Description of `energy_data` changed (32% word delta).","severity":"risky","descriptionDelta":0.31999999999999995},{"kind":"description_changed","tool":"evm_balance","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Native balance of any 0x address with block height, from public RPC. Costs $0.01 per call.","before":"Native balance of any 0x address with block height, from public RPC. Costs $0.01 per call.","detail":"Description of `evm_balance` changed (50% word delta).","severity":"risky","descriptionDelta":0.5},{"kind":"description_changed","tool":"evm_gas","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Current gas price in wei and gwei with block height. Costs $0.01 per call.","before":"Current gas price in wei and gwei with block height. Costs $0.01 per call.","detail":"Description of `evm_gas` changed (53% word delta).","severity":"risky","descriptionDelta":0.53125},{"kind":"description_changed","tool":"evm_receipt","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Status, gas used, effective gas price and log count for a transaction hash. Costs $0.01 per call.","before":"Status, gas used, effective gas price and log count for a transaction hash. Costs $0.01 per call.","detail":"Description of `evm_receipt` changed (50% word delta).","severity":"risky","descriptionDelta":0.5},{"kind":"description_changed","tool":"filing_section","after":"Pull a single numbered item out of a 10-K or 10-Q as clean text: risk factors (1A), MD&A (7), business (1), and the rest. Saves you fetching a multi-megabyte HTML document and finding the section yourself. Pin an exact filing with `accession`; without it you get the most recent filing of that form, and the response warns if a later amendment exists. Failure mode: if a filing's layout hides the item heading, the call errors clearly instead of returning a guessed section. Every response carries accessionNumber, filingDate, source URL, and parserVersion; accuracy is measured on a public golden set (signalnodus.ai/eval). Large cold filings can take several seconds to fetch and parse. Costs $0.05 per call. No subscription: present a credit key or a machine payment.","before":"Pull a single numbered item out of a 10-K or 10-Q as clean text: risk factors (1A), MD&A (7), business (1), and the rest. Saves you fetching a multi-megabyte HTML document and finding the section yourself. Pin an exact filing with `accession`; without it you get the most recent filing of that form, which changes when the company amends. Costs $0.05 per call. No subscription: present a credit key or a machine payment.","detail":"Description of `filing_section` changed (45% word delta).","severity":"risky","descriptionDelta":0.4537037037037037},{"kind":"description_changed","tool":"fx_rate","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): ECB reference rates from one base currency to up to ten targets, ISO 4217. Daily fix, not a tradable quote. Costs $0.01 per call.","before":"ECB reference rates from one base currency to up to ten targets, ISO 4217. Daily fix, not a tradable quote. Costs $0.01 per call.","detail":"Description of `fx_rate` changed (40% word delta).","severity":"risky","descriptionDelta":0.4},{"kind":"description_changed","tool":"gas_optimizer","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Live network fee across Base, Arbitrum, and Ethereum, expressed as the USD cost of a standard native transfer so chains compare on money, with the cheapest chain named. Network fee only, not a route or swap quote. Costs $0.05 per call.","before":"Live network fee across Base, Arbitrum, and Ethereum, expressed as the USD cost of a standard native transfer so chains compare on money, with the cheapest chain named. Network fee only, not a route or swap quote. Costs $0.05 per call.","detail":"Description of `gas_optimizer` changed (27% word delta).","severity":"risky","descriptionDelta":0.2692307692307693},{"kind":"description_changed","tool":"government_contracts","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Federal prime contract awards to a company from USAspending.gov, largest first: award id, amount, agency, and period. Recipient match is by name text. Costs $0.05 per call.","before":"Federal prime contract awards to a company from USAspending.gov, largest first: award id, amount, agency, and period. Recipient match is by name text. Costs $0.05 per call.","detail":"Description of `government_contracts` changed (36% word delta).","severity":"risky","descriptionDelta":0.3555555555555555},{"kind":"description_changed","tool":"lobbying","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): US Senate LDA lobbying disclosures for a client company, newest first: registrant, reported income or in-house expenses, and issue areas. Costs $0.05 per call.","before":"US Senate LDA lobbying disclosures for a client company, newest first: registrant, reported income or in-house expenses, and issue areas. Costs $0.05 per call.","detail":"Description of `lobbying` changed (38% word delta).","severity":"risky","descriptionDelta":0.38095238095238093},{"kind":"description_changed","tool":"prediction_markets","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Top-volume Polymarket markets with implied probabilities, optionally filtered by a question substring. Costs $0.01 per call.","before":"Top-volume Polymarket markets with implied probabilities, optionally filtered by a question substring. Costs $0.01 per call.","detail":"Description of `prediction_markets` changed (47% word delta).","severity":"risky","descriptionDelta":0.47058823529411764},{"kind":"description_changed","tool":"risk_churn_score","after":"Mechanical rewrite ratio of a filing item year over year: added sentences divided by total sentences in the newer section, as a percent, with a magnitude band. This measures editing activity in the text, not risk and not exposure; a lightly reworded sentence counts as one removal plus one addition. Built on the same sentence-level diff as compare_filings; buy that when you need the passages themselves. Formerly named risk_churn_score, which still answers. Costs $0.10 per call.","before":"One decision number: how much of a filing item was rewritten year over year, as a percent with a verdict band (routine, typical, elevated, major rewrite). Built on the same sentence-level diff as compare_filings; buy that when you need the passages themselves. Costs $0.10 per call.","detail":"Description of `risk_churn_score` changed (57% word delta).","severity":"risky","descriptionDelta":0.5733333333333333},{"kind":"description_changed","tool":"token_price","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): DEX-aggregated price, FDV, market cap and 24h volume for a token contract. Cached 60s; not an oracle. Costs $0.01 per call.","before":"DEX-aggregated price, FDV, market cap and 24h volume for a token contract. Cached 60s; not an oracle. Costs $0.01 per call.","detail":"Description of `token_price` changed (41% word delta).","severity":"risky","descriptionDelta":0.41025641025641024},{"kind":"description_changed","tool":"token_report","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): One-call market data for an ERC-20 token: price, 24h change, FDV, market cap, 24h volume, supply, pool count, deepest pool liquidity, and factual risk flags (low liquidity, thin volume). GeckoTerminal aggregated DEX data. Not an oracle, not financial advice. Costs $0.10 per call.","before":"One-call market data for an ERC-20 token: price, 24h change, FDV, market cap, 24h volume, supply, pool count, deepest pool liquidity, and factual risk flags (low liquidity, thin volume). GeckoTerminal aggregated DEX data. Not an oracle, not financial advice. Costs $0.10 per call.","detail":"Description of `token_report` changed (29% word delta).","severity":"risky","descriptionDelta":0.28846153846153844},{"kind":"description_changed","tool":"trade_flows","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Monthly US customs-reported trade value in dollars by trading partner for one HS chapter, from the Census international trade series. Exports are total value, imports are general imports. Costs $0.05 per call.","before":"Monthly US customs-reported trade value in dollars by trading partner for one HS chapter, from the Census international trade series. Exports are total value, imports are general imports. Costs $0.05 per call.","detail":"Description of `trade_flows` changed (33% word delta).","severity":"risky","descriptionDelta":0.33333333333333337},{"kind":"description_changed","tool":"x402_audit","after":"Experimental (outside the core SEC path; not covered by the published accuracy eval, may change or be withdrawn): Inspect one public HTTPS x402 endpoint and report the 402 challenge it returns to an anonymous caller: HTTP status, payment rails (scheme, network, asset, recipient), WWW-Authenticate header, Bazaar discovery extension, and a pass/fail checklist with a health verdict. No payment is signed or submitted. Costs $0.10 per call.","before":"Inspect one public HTTPS x402 endpoint and report the 402 challenge it returns to an anonymous caller: HTTP status, payment rails (scheme, network, asset, recipient), WWW-Authenticate header, Bazaar discovery extension, and a pass/fail checklist with a health verdict. No payment is signed or submitted. Costs $0.10 per call.","detail":"Description of `x402_audit` changed (24% word delta).","severity":"safe","descriptionDelta":0.23809523809523814}],"published_at":"2026-08-25T06:25:09.856Z"}]