MARKET MONITOR / CATALOGUE Services 131,046 MCP listed 40,656 x402 90,457 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-29 · 3 sources

Knowledge & Memory

Memory, knowledge bases and documentation search. Includes retrieval services that store what your agent learns between sessions.

1,322 services with a source 56 pages

Rosemary x402 REST usage

Rosemary (Remembrance) — Meditation on memory and persistence for continuity across sessions.

underground.substratesymposium.com Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Mint x402 REST usage

Mint (Invasion) — Decision framework for aggressive-expansion problems. Structured analysis of when to let a system spread (viral distribution, scope enlargement, feature-set growth) vs when to prune (overrun, memory blo...

underground.substratesymposium.com Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

safety-product x402 REST usage

Product recall and safety check for a consumer good, food, drug or medical device by brand or product name. Fuses CPSC and openFDA recalls into one cited JSON with hazard, FDA class, remedy, status and a deterministic ri...

api.agentstools.dev Knowledge & Memory 1 calls / 30d checked 2026-10-29
0.02 USDC per call per call

Saylor Innovations Cemetery & B x402 REST usage

Cemetery and burial-site reference - identity, coordinates, inception and official links (Wikidata)

saylorinnovations.com Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Saylor Innovations FDA Recalls ( x402 REST usage

FDA food recall search (openFDA) - product, reason, firm, classification and status

saylorinnovations.com Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Vocabulary From a Text x402 REST usage

Vocabulary From a Text — Builds a vocabulary list for a language learner from one pasted text, as strict JSON: for every word the learner should learn it gives the form as written in the text, the dictionary form, a tran...

api.aiskills402.com Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Vehicle safety recalls x402 REST usage

Safety recall campaigns for a vehicle by make, model and year in the US: affected component, summary, consequence, remedy, date, over-the-air fix and do-not-drive flags. Official NHTSA data.

api.vextorium.com Knowledge & Memory 5 calls / 30d checked 2026-10-29
0.004 USDC per call per call

FDA recalls | Vextorium x402 REST usage

Recalls enforced by the US FDA for drugs, food or medical devices, latest or by keyword: product, reason, risk class (I-III), company, country, distribution and status. openFDA data (CC0). Not medical advice.

api.vextorium.com Knowledge & Memory 5 calls / 30d checked 2026-10-29
0.004 USDC per call per call

Agent Memory Key-Value Store x402 REST usage

Persistent memory for AI agents without an account: store JSON under a key and read it back in a later run, or share it with other agents. Your first write creates a store and returns its secret (mem_...); pass it as sto...

agentsvc.io Knowledge & Memory 10 calls / 30d checked 2026-10-29
0.002 USDC per call per call

GTIN Barcode Recall Check x402 REST checked

Exact recall check for one EAN/UPC/GTIN barcode (check digit validated) across RappelConso, CPSC and openFDA.

gogeta2-u35175.vm.elestio.app Knowledge & Memory 2 calls / 30d checked 2026-10-24
0.01 USDC per call per call checked

Product Recall Search x402 REST usage

Search official recall notices (CPSC, openFDA food/drug/device, RappelConso FR) by product, brand or model; filter by market and period.

gogeta2-u35175.vm.elestio.app Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

Enforcement x402 REST usage

FDA recall and enforcement records across drug, device and food, normalised into one shape with classification, reason, distribution scope and firm. Queryable by firm, product, classification and date. One product type r...

x402-filings.datalayer.workers.dev Knowledge & Memory 2 calls / 30d checked 2026-10-29
0.01 USDC per call per call

package_versions x402 REST usage

Returns the full version history of a package from a single normalised schema that covers seven ecosystems. Versions are ordered by semantic version, not alphabetically and not in registry order, so 1.10.0 sorts after 1....

paket.halowerk.com Knowledge & Memory 6 calls / 30d checked 2026-10-29
0.003 USDC per call per call

WhiteMagic recall x402 REST usage

WhiteMagic hosted recall — agent memory for cross-session continuity: read-only hybrid search (BM25 + vector + associative) over a curated public corpus. Call when an agent needs durable context from prior sessions or th...

mcp.whitemagic.dev Knowledge & Memory 9 calls / 30d checked 2026-10-29
0.002 USDC per call per call

Species information | Vextorium x402 REST usage

Species information by scientific or common name (GBIF): accepted name, full taxonomy (kingdom to species), rank, status, common names, number of occurrence records and countries with most records.

api.vextorium.com Knowledge & Memory 6 calls / 30d checked 2026-10-28
0.003 USDC per call per call

Memory read x402 REST usage

Read from a wallet-scoped namespace.

agent402.tools Knowledge & Memory 13 calls / 30d checked 2026-10-29
0.001 USDC per call per call

US Product Recalls CPSC FDA x402 REST usage

Product recall check (US): has a product or brand been recalled? Searches CPSC consumer product recalls and FDA food, drug and medical device enforcement reports (openFDA) in one call; returns hazard or reason, remedy, d...

api.stablecoingateways.com Knowledge & Memory 6 calls / 30d checked 2026-10-29
0.002 USDC per call per call

Semver parse/compare x402 REST usage

Parse a semantic version, or compare two (a vs b → -1/0/1, with greater/lesser flags).

agent402.tools Knowledge & Memory 11 calls / 30d checked 2026-10-29
0.001 USDC per call per call

Memory counter x402 REST usage

Atomically increment (or decrement) a numeric key and return the new value - a coordination primitive for counters, locks, and rate budgets shared across agents. Creates the key at 0 if absent. Retry safely with a reques...

agent402.tools Knowledge & Memory 11 calls / 30d checked 2026-10-29
0.001 USDC per call per call

Memory compare-and-set x402 REST usage

Atomically write (or release) a key only if its current value equals `expected` - the coordination primitive for distributed locks and optimistic concurrency across agents. Acquire a lock: expected=null + a value + ttlSe...

agent402.tools Knowledge & Memory 11 calls / 30d checked 2026-10-29
0.001 USDC per call per call

Assistant ib26 writing 20 051 x402 REST usage

Glossary coverage — Exact row deduplication + Secondary-measure weighted mean: Exact row deduplication + Secondary-measure weighted mean for supplied glossary coverage records (covered_terms, required_terms). Up to 200 r...

market.datapackvibe.com Knowledge & Memory 1 calls / 30d checked 2026-10-28
0.01 USDC per call per call

Assistant ib26 writing 16 071 x402 REST usage

Knowledge base maintenance — Numeric distribution + Grouped numeric summary: Numeric distribution + Grouped numeric summary for supplied knowledge base maintenance records (updated_articles, due_articles). Up to 200 rows...

market.datapackvibe.com Knowledge & Memory 1 calls / 30d checked 2026-10-28
0.01 USDC per call per call

Assistant ib26 writing 20 138 x402 REST usage

Glossary coverage — Daily sum series + Base-100 series: Daily sum series + Base-100 series for supplied glossary coverage records (covered_terms, required_terms). Up to 200 rows; 2 independent reports using shared local...

market.datapackvibe.com Knowledge & Memory 1 calls / 30d checked 2026-10-28
0.01 USDC per call per call

Assistant ib26 writing 16 070 x402 REST usage

Knowledge base maintenance — Duplicate key report + Explicit missing-value fill: Duplicate key report + Explicit missing-value fill for supplied knowledge base maintenance records (updated_articles, due_articles). Up to...

market.datapackvibe.com Knowledge & Memory 1 calls / 30d checked 2026-10-28
0.01 USDC per call per call

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