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Trustbase Lab · Trusted Data Infrastructure for the AI Era
com.trustbaselab/rcb-data in the official MCP registry.
Endpoint https://trustbaselab.com/mcp.
The registry describes it as: Trusted multi-domain data for AI: 59 tools, MCP Apps, Skills, 520+ cross-domain benchmarks.
We read its 62 tools on 2026-10-28. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
query_cbam_emission_factors query_telecom_expansion query_companies get_company get_verified_suppliers get_price_benchmark query_policies get_policy query_techs get_tech query_articles get_article query_grades get_grade get_database_overview calculate_saving compare_rcb get_elt_price_index get_feedstock_overview get_elt_recycling get_price_trend get_grade_spec get_substitution_boundary get_announcements_timeline query_cards get_rcb_index get_rcb_vcb_spread get_grade_trend query_trade_flows get_trade_flow_summary get_trade_partner_ranking get_trade_dataset_overview query_domain_benchmarks get_domain_benchmark get_cbam_timeline get_carbon_market_overview get_carbon_standards compare_carbon_prices calculate_cbam_cost get_battery_regulation_timeline get_recycled_content_requirements query_battery_recycling_targets get_battery_market_stats get_standards_roadmap get_constellation_status query_spectrum_allocations get_6g_patent_landscape get_telecom_policy_timeline query_dietary_limits get_dietary_guidelines query_activity_guidelines query_health_myths get_health_indicators get_compute_infrastructure get_pue_benchmarks get_power_consumption_stats query_green_power calculate_recycled_content_gap calculate_compute_energy_cost query_safety_boundaries and 2 more
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[](https://lazaretto.dev/mcp-registry/com-trustbaselab-rcb-data)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.