Osf Data Marketplace is answering right now. Last checked 4 min ago. It exposes 21 tools.
7.0M+ US gov and science data via x402 USDC. 20 tools, $0.001 sample tier, sanctions, SEC, CVEs.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.
claude mcp add osf-data-marketplace --transport http https://api.osf-master-server.com/mcp
{
"mcpServers": {
"osf-data-marketplace": {
"url": "https://api.osf-master-server.com/mcp"
}
}
}
[mcp_servers.osf-data-marketplace]
url = "https://api.osf-master-server.com/mcp"
{
"mcpServers": {
"osf-data-marketplace": {
"url": "https://api.osf-master-server.com/mcp"
}
}
}
{
"mcpServers": {
"osf-data-marketplace": {
"url": "https://api.osf-master-server.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
screen_entity
screen_entity_free
search_aircraft_registry
check_broker
get_catalog
search_consumer_protection
is_cve_exploited
search_cyber_threats
search_economic_indicators
search_environmental_data
search_gov_spending
search_healthcare
search_legal_cases
lookup_entity
search_ai_models
search_patents
get_record
search_regulations_law
search_research_papers
sample_record
search_sec_filings
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://api.osf-master-server.com/mcp | streamable-http | answering | 390 ms | 4 min ago |
Answers built from our own checks of this server.