Knowledge indexes for agents.
Give your agent a live index of useful data sources, or create your own.
Free to use. No credit card required.
How it works
Pick an index, add it to your agent, then ask questions about the source data.
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Pick an index
Public data, kept current by Kapa.
nhtsa-complaints.mcp.kapa.ai
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Add it to your agent
One MCP URL for any agent.
search_knowledge
5 passages, each with its source
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Ask questions
Answers cite the source records.
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Kapa runs crawling and refresh.
Explore indexes
Data sources, indexed and ready for any MCP client.
Aviation
Aviation Safety Reporting System (ASRS)
Aviation incident reports from NASA: de-identified narratives from pilots, controllers and cabin crew.
asrs.arc.nasa.gov
18.5k reports
Automotive
Vehicle Safety Complaints (NHTSA)
Vehicle safety complaints from NHTSA: owner reports with the make, model, component and a description of the problem.
nhtsa.gov
14.8k complaints
Finance
Consumer Finance Complaints (CFPB)
Consumer finance complaints from the CFPB: narratives released under FOIA, with the product, issue and company response.
consumerfinance.gov
23.9k narratives
Legal
Supreme Court Opinions (SCOTUS)
Supreme Court opinions from CourtListener: the syllabus and headnotes for each case, not the full opinion text.
courtlistener.com
13.4k opinions
Telecom
Mobile Network Specifications (3GPP)
Every 3GPP technical specification from Release 12 onward, across the RAN, SA and CT series.
3gpp.org
20k+ specifications
Construction
Building Materials Regulation (EU)
EU rules for construction products: the Construction Products Regulation, the recast EPBD, CE marking, Declarations of Performance and Digital Product Passports.
EUR-Lex, EOTA and more
1k+ documents
Life sciences
Life Sciences Regulation (FDA and EU)
FDA and EU rules for pharma, clinical trials and medical devices: 21 CFR, ICH guidelines, EU pharma law and EUDAMED.
FDA, EMA, ICH and more
5 regulatory sources
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Frequently asked questions
What is a knowledge index?
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A searchable index of a public data source, like NASA's aviation safety reports, that your agent can query over MCP.
How do I add one to my agent?
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How is this different from web search?
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Is it free?
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Are these official connectors?
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Can I create my own index?
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