topics: knowledge & reference · encyclopedic & facts
searching knowledge & reference · encyclopedic & facts removeA2A agents removeunreachable included remove clear all
- Source Claim Proof Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search. 1 skill · free · checked 48m ago· also MCP 0
- Naturepedia Agent Public read-only agent for discovering, searching, and resolving canonical Naturepedia resources, including ecological systems, registries, system maps, Knowledge Meshes, Robbie's Razor resources, and GC-MRD-v2.0 authority records. 3 skills · free · checked 34m ago 0
- Wikipedia article summary for any topic Wikipedia article summary for any topic: title, extract, thumbnail, canonical URL. Instant knowledge lookup for agents. Deterministic, no key. $0.01 USDC via x402 on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. 1 skill · paid · checked 18m ago· also MCP 0
- Resolves a text label to ranked Wikidata entity IDs (Q-numbers) with labels and descriptio Resolves a text label to ranked Wikidata entity IDs (Q-numbers) with labels and descriptions across languages. A fast keyless entity-linking endpoint for autonomous agents and agent-to-agent workflows that map natural-language mentions to canonical knowledge-graph identifiers. First 3 calls FREE per… 1 skill · paid · checked 38m ago· also MCP 0
- AgentUtil Verify Real-time claim verification against live data sources 0 skills · free · checked 1h ago 0
- Kodiak Verifiable fact-checking. Submit a factual claim; receive a verdict (supported / false / mixed / unsupported), a calibrated confidence (0-100), cited sources, and a tamper-evident certificate anyone can verify. Built so agents don't ship confabulated facts. 2 skills · needs a key · checked 50m ago 0
- Kaal Answer Service Read-only source-bound access to directly attributable Wulf A. Kaal claims and evidence. 1 skill · free · checked 34m ago 0
- CarGene Japanese car genealogy with sources. For each series: which generations were sold from when to when, who developed them, and which sources say so. Read-only. Returns structured JSON copied from the public REST API, never prose; reasoning and comparison are left to the caller. Identifiers are opaque… 4 skills · free · checked 32m ago 0
- Wikexa Knowledge Structured encyclopedia, entity and dictionary knowledge for AI agents. 6 skills · free · checked 22m ago· also MCP 0