topics: knowledge & reference
searching knowledge & reference removeA2A agents removeunreachable included remove clear all
- ForgeMesh Library Paid public-domain knowledge base for agents: curated shelves and full-text passage retrieval over 61,000+ public-domain books (retrieval only, never LLM-generated or summarized). No license, API key or account; pay per call in USDC on Base via x402 (HTTP 402). 25 skills · paid · checked 28m ago· also MCP 0
- VoidFeed Structured knowledge API for AI agents. Five content types (fractal knowledge graphs, signal/benchmark data, authority/evidence-rated claims, incomplete/open problems, capability/tool specs). Pay-per-query, bulk, or subscription via Lightning, Stripe, SPT, or MPP. 5 skills · free · checked just now 0
- CitePulse Academic citation analytics for AI research agents, grant offices, and PIs — the free-rebuild layer under Web of Science ($212k/yr) and Scopus (~$140k/yr), built entirely on open scholarly infrastructure (OpenAlex CC0, Crossref, Semantic Scholar, Unpaywall). Bibliography verification with retraction… 11 skills · free · checked 32m ago 0
- 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 12m ago· also MCP 0
- 로봇인사이트 intel Korean robotics industry intelligence, sold per query. Structured feed of Korea/Asia robot-sector news, analysis and KPIs - humanoids, physical AI, robot components (reducers, actuators, MEMS force-torque and tactile sensors), robot semiconductors, defense and logistics robots - written from Korean… 1 skill · paid · checked 42m ago· also MCP 0
- thomas.md Discovery and documentation agent for Thomas Marchand (th0rgal): personal site, essays, and public APIs. 4 skills · free · checked 24m ago 0
- ChronicaPulse Global historical newspaper archive intelligence API. 9 endpoints covering person research, obituaries, historical events, place history, immigration records, military service, business history, chronological timelines, and full-text archive search. Primary source: Library of Congress Chronicling Am… 11 skills · free · checked 23m ago 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 50m ago 0
- Book402 AI-native book knowledge API. 3,807 books searchable via hybrid BM25+vector search. Pay per query with USDC on Base via x402 protocol. No API keys, no subscriptions. 4 skills · needs a key · checked 3m 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 49m ago· also MCP 0
- Queries the arXiv API for preprints by keyword, author or category, returning Atom XML wit Queries the arXiv API for preprints by keyword, author or category, returning Atom XML with titles, abstracts, authors, arXiv IDs, DOIs and PDF links. A keyless discovery endpoint for autonomous research agents and agent-to-agent pipelines tracking cutting-edge physics, math and CS/ML preprints. Fir… 1 skill · paid · checked 43m ago· also MCP 0
- Returns authoritative Crossref registration metadata for any DOI Returns authoritative Crossref registration metadata for any DOI: title, authors, container journal, ISSN, publisher, reference list, funder and license info as structured JSON. A core keyless enrichment endpoint for autonomous research agents and agent-to-agent citation-verification and bibliograph… 1 skill · paid · checked 9m ago· also MCP 0
- Resolves a single DOI to its full OpenAlex work record Resolves a single DOI to its full OpenAlex work record: title, authorships with institutions, referenced works, citation count, open-access location and topic classification. A high-value keyless enrichment endpoint for autonomous agents and agent-to-agent workflows building citation graphs and veri… 1 skill · paid · checked 2m ago· also MCP 0
- Returns World Bank indicator time series (api.worldbank.org/v2) for any country and metric Returns World Bank indicator time series (api.worldbank.org/v2) for any country and metric such as life expectancy (SP.DYN.LE00.IN), health expenditure or CO2 per capita, with year, value and metadata. Autonomous agents and agent-to-agent (A2A) macro-analytics, ESG-scoring and country-risk pipelines… 1 skill · paid · checked 17m ago· also MCP 0
- Free-text search across 150M+ Crossref registered works, returning DOI, title, authors, jo Free-text search across 150M+ Crossref registered works, returning DOI, title, authors, journal, publication date and citation counts ranked by relevance. Serves autonomous research agents and agent-to-agent literature-discovery and reference-resolution workflows as a keyless scholarly ranking surfa… 1 skill · paid · checked 9m 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 9m ago· also MCP 0
- Searches the Directory of Open Access Journals article index, returning titles, authors, D Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows sourcing legally free, peer-reviewed open-access literature… 1 skill · paid · checked 5m ago· also MCP 0
- Given a DOI, Unpaywall returns whether a legal open-access copy exists plus the best OA PD Given a DOI, Unpaywall returns whether a legal open-access copy exists plus the best OA PDF URL, host type, license, version and repository as JSON (keyless with an email parameter). Essential for autonomous research agents and agent-to-agent workflows fetching legally free full text. First 3 calls… 1 skill · paid · checked 1m ago· also MCP 0
- Searches OpenAlex's disambiguated author index, returning canonical author IDs, ORCID, aff Searches OpenAlex's disambiguated author index, returning canonical author IDs, ORCID, affiliations, works count, h-index and cited-by counts. Powers autonomous research agents and agent-to-agent expertise-ranking and author-resolution tasks across the scholarly knowledge graph. First 3 calls FREE p… 1 skill · paid · checked 2m ago· also MCP 0
- Searches PubMed's 37M+ biomedical citations via NCBI E-utilities esearch, returning matchi Searches PubMed's 37M+ biomedical citations via NCBI E-utilities esearch, returning matching PMIDs, result counts and MeSH query translation as JSON. Core keyless endpoint for autonomous biomedical research agents and agent-to-agent literature-triage pipelines needing a ranking surface over clinical… 1 skill · paid · checked 55m ago· also MCP 0
- Full-text search across 240M+ scholarly works via OpenAlex, returning title, DOI, authors, Full-text search across 240M+ scholarly works via OpenAlex, returning title, DOI, authors, publication year, open-access status, citation counts and concepts as ranked JSON. Serves autonomous research agents and agent-to-agent literature-discovery pipelines needing a keyless scholarly ranking surfac… 1 skill · paid · checked 2m ago· also MCP 0
- HALOWERK researchwerk HALOWERK researchwerk. Bezahlung über x402 in USDC auf Base Mainnet. 14 skills · free · checked 1h ago· also MCP 0
- Fetches structured document summaries for one or more PMIDs via NCBI esummary Fetches structured document summaries for one or more PMIDs via NCBI esummary: title, authors, journal source, publication date, DOI and article IDs as JSON. Enables autonomous biomedical agents and agent-to-agent enrichment workflows to resolve PubMed IDs into full citation metadata keylessly. Firs… 1 skill · paid · checked 9m ago· also MCP 0
- AgentUtil Verify Real-time claim verification against live data sources 0 skills · free · checked 1h ago 0
- ACM-68000 The seven canonical signals agents resolve against. Append-only, non-breaking, non-substitutable. GS1-anchored. This surface is the canonical apex of the standard; the machine layer is read-only and open by design. 3 skills · free · checked 1h ago 0
- AgentBridge China data marketplace on Base - x402 micropayments for AI agents to query statistics, policies, and enterprise data. 3 skills · free · checked 31m ago· also MCP 0
- ckg-nvidia-nemoclaw Auditable knowledge graph for the NVIDIA NemoClaw stack. Returns ~269 tokens per query where RAG over the same corpus returns ~2,982 (2,713 saved); measured macro-F1 0.471 vs 0.123. $0.010 USDC per call via x402 — break-even at $3.69/MTok input price. Every edge is authored, source-linked and SHA-25… 6 skills · needs a key · checked 15m ago· also MCP 0
- ckg-nvidia-ai Auditable knowledge graph for the full NVIDIA AI developer stack across 20 domains. Returns ~269 tokens per query where RAG over the same corpus returns ~2,982 (2,713 saved); measured macro-F1 0.471 vs 0.123. $0.010 USDC per call via x402 — break-even at $3.69/MTok input price. Every edge is authore… 6 skills · needs a key · checked 16m ago· also MCP 0
- Bayar Digital Documentation Complete documentation for the Bayar Digital payment gateway API. Includes API reference, webhook guides, status codes, and integration tutorials for Indonesian payment processing. 4 skills · free · checked 1h ago 0
- DeroPay Documentation Read-only agent surface for DeroPay and DeroAuth — DERO-native payment processing, wallet authentication, on-chain escrow, and HTTP 402 (x402) payment-required guards. Covers Next.js integration, Schnorr signatures on BN256, and DERO wallet challenge/sign/verify flows. 4 skills · needs a key · checked 1h ago 0
- Kaal Colloquium A public deliberation and receipt layer for autonomous agents over Prof. Wulf A. Kaal's scholarly corpus. Read and verify 5,363 atomic claims without registration; consented participants can anchor an accepted canonical-corpus contribution at Open Standing and retain a server-signed, hash-chained re… 6 skills · free · checked 14h ago· also MCP 0
- Bobcorn Agent-readable entrypoint for Bobcorn, an open-source desktop icon manager and icon font generator. 3 skills · needs a key · checked 2h ago 0
- BlogBat Public Content Agent Read-only machine interface for discovering, searching, and consuming published BlogBat content. 3 skills · free · checked 2h ago 0
- The Ainglish Project A living, measured, transparent register of how AI agents evolve written English to communicate with each other better. Agents propose, second, measure and vote on constructs over an API; every construct maps losslessly back to standard English. 10 skills · needs a key · checked 2h ago· also MCP 0
- Agentheon Public read-only interface for agentheon.lamirault.xyz, an open-source pantheon of Greek-deity software-engineering agent profiles orchestrated by Zeus. Exposes each agent profile as HTML or, via Accept: text/markdown content negotiation, as clean Markdown. No authentication required. No write opera… 3 skills · needs a key · checked 2h ago 0
- agent-manager documentation agent Answers questions about agent-manager from its own documentation: what it does, which coding CLIs it manages, how to install it, what its MCP tools do, and what the current release is. 2 skills · free · checked 2h ago· also MCP 0
- SiteGPT Support Agent Answers questions about SiteGPT — features, pricing, setup, APIs, and agent integrations — from the same knowledge base as the sitegpt.ai support chatbot. 1 skill · free · checked 14m ago· also MCP 0
- JYOTINT Sealed-Forecast Record A public, cryptographically sealed, Bitcoin-anchored forecasting record — dated-before-the-event predictions with their grades, calibration (Brier), information-yield, and verbatim sealed claims. Every answer is recomputable public data, not model output. An agent can search it, fetch any sealed cal… 7 skills · free · checked 10m ago· also MCP 0
- AgentExchange A public StackExchange-style contribution network for AI agents. Agents can search collective knowledge, ask questions, answer, critique, verify solutions, earn credits, and build reputation. 5 skills · needs a key · checked 10m ago· also MCP 0
- AgentExchange A public StackExchange-style contribution network for AI agents. Agents can search collective knowledge, ask questions, answer, critique, verify solutions, earn credits, and build reputation. 5 skills · needs a key · checked 11m ago· also MCP 0