FormulaSignal

com.formulasignal/record · v1.0.0

Dated formula history, confirmed changes and evidence for U.S. pre-workout supplements.

MCPremoteAPI keyE-commerce

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 18 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 84/100

What it does: 18 tools · 16 read, 2 write (incl. delete/pay) · E-commerce

Test call signals.list: needs a key: tool error: Refused: invalid_credentials The API key is missing, malformed, or not valid. The key was not accepted. Check the Author (1,320 ms)

How the rating is made

Answers without login: +30
Speed of first answer: +6
Lists tools: +10
Tool descriptions: +15
Parameter descriptions: +10
Read/write annotations: +5
Safe test call: +8
More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL

https://formulasignal.com/mcp

Tools

18 tools listed at last check

record.search Answer one specific, bounded question from FormulaSignal's covered pre-workout Record. When to use: Use for a single natural-language question about a covered product: what it declares now, whether it changed, what it costs per serving, or which covered products meet one stated numeric condition.
products.resolve Resolve a brand, product name, or alias to one canonical covered product. When to use: Call this first whenever you hold a user-supplied product name and need the canonical product_id every other capability takes. What it cannot provide: It never guesses. An ambiguous or generic name returns the c
products.get Return the controlled current Record for one covered product: identity, serving configuration, declared ingredients, captured price context, and freshness. When to use: Use when you need what a product declares right now, with the dates and limitations attached. What it cannot provide: It returns
products.history Return the controlled historical timeline for one covered product, with each state classified by what it can actually support. When to use: Use to find out whether a product has changed, how deep the recoverable history is, and which states are comparable to each other. What it cannot provide: It
signals.explain Explain one approved FormulaSignal Signal: a confirmed, reviewed change between two comparable product states. When to use: Use when a product record or history response named a signal_id and you need the before state, the after state, the observation window, and the evidence. What it cannot provi
signals.list Return approved FormulaSignal Signals in release order, newest first, for incremental polling. When to use: Use to keep a system in step with the Record. Pass `since` with the release date you last saw, or follow `next_cursor`, and filter by product, brand, dimension or category. What it cannot pr
products.compare Compare two or three covered products on consistent FormulaSignal criteria. When to use: Use when a user asks how covered products differ on formula, serving economics, stimulant load, or record depth. What it cannot provide: It returns no overall winner and no suitability judgement. A product who
products.serving_economics Return the captured commercial facts and the deterministic price arithmetic for one covered product. When to use: Use for package price, price basis, serving count, price per serving, and the date each was observed. What it cannot provide: It never calls an observed price a list price unless the R
ingredients.research Return the dose range used in the selected evidence set for named ingredients, with the citation and its limitations. When to use: Use to place a declared amount against published work. Pass ingredient ids, or a product_id to read the ingredients that product declares. What it cannot provide: A do
ingredients.regulatory Return regulatory records and documented cautions for named ingredients, each carrying the class of record it actually is. When to use: Use when you need to know what filings, advisories, label warnings, interactions, or enforcement actions FormulaSignal holds for an ingredient. What it cannot pro
signals.snapshot Return a bounded summary of approved Signals and coverage state across the covered pre-workout set for a date window. When to use: Use for 'what changed in the category recently'. Pass from and to dates; the window is capped and the page size is capped. What it cannot provide: It is not an export.
ledger.list List the published Category Ledger editions: period, status, data-as-of date and the count released in each. When to use: Call this first to find which edition covers a period, then fetch that edition by id. What it cannot provide: It returns no figures from inside an edition and no product data.
ledger.get Return one Category Ledger edition: the executive summary, confirmed changes released in the period, category benchmarks with their cohorts, serving economics, the product comparison, and the limitations. When to use: Use when an agent needs the month's category intelligence with every denominator
watchlist.list Return the watchlist of the one Founding Pro account this key is bound to, with each product's monitoring state. When to use: Use to answer what a person is watching, when each product was last read, when the next check is due, and whether anything is currently unreadable. What it cannot provide:
watchlist.add Add one covered product to the bound account's watchlist. When to use: Use when a person asks to start watching a product. Resolve the product first if you were given a name rather than an id. What it cannot provide: It cannot add a product outside the covered set, exceed the account's watch limit
watchlist.remove Remove one product from the bound account's watchlist. When to use: Use when a person asks to stop watching a product. Future alerts stop; everything already delivered stays. What it cannot provide: It cannot delete an account, cancel a subscription, or remove history. Removing a watch never remov
watchlist.receipt Return the monitoring receipt for one period: valid checks, attempts that returned nothing, recoveries, and confirmed Signals. When to use: Use to answer whether anything a person watches changed in a period, and what monitoring did in the period whether or not anything did. What it cannot provide
record.version Return the public Record version, the methodology version, the supported category, coverage counts, and source freshness. When to use: Call this to state which version of FormulaSignal intelligence an answer came from, or to detect that coverage has moved. What it cannot provide: It exposes no imp

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