# io.github.si-imtiaz/leadquasar > Counts and firmographics for 7.5M+ verified US B2B businesses, by industry, state and city. - name: io.github.si-imtiaz/leadquasar - version: 1.0.0 - connection class: R0 (autonomous) - trust: 94/100 - quality: 86/100 (good) - owner: not claimed - descriptor: https://api.protogrid.dev/v1/servers/io.github.si-imtiaz%2Fleadquasar - tools: https://api.protogrid.dev/v1/servers/io.github.si-imtiaz%2Fleadquasar/tools **An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe. ## Connection (mcpServers) ```json { "mcpServers": { "leadquasar": { "type": "http", "url": "https://leadquasar.com/api/mcp" } } } ``` ## Trust - hygiene: 100 - liveness: 100 - freshness: 85 - provenance: 90 - drivers: +repository +namespace-matches-repo +website +reachable +uptime-99% ~updated-62d-ago - Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. ## Quality 86/100 (good) ### protocol: 75 (weight 25) - warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28 - n/a `protocol.stateless`: only applies to 2026-07-28 servers - pass `protocol.transport`: streamable HTTP - n/a `protocol.list_ttl`: only applies to 2026-07-28 servers ### authorization: n/a (weight 15) - n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth - n/a `auth.secret_in_url`: no templated URL ### tool hygiene: 100 (weight 30) - pass `tools.descriptions`: every tool has a description - pass `tools.description_length`: descriptions are concise - pass `tools.schemas`: every tool has an object input schema - pass `tools.annotations`: 3 of 3 tools declare readOnlyHint or destructiveHint - pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint - pass `tools.token_cost`: about 1,020 tokens to load every tool - pass `tools.api_dump`: tools are not a one-to-one API dump ### stability: 75 (weight 15) - warn `stability.changes`: 57 tool changes in 30 days - pass `stability.rug_pull`: no tool changed its meaning under the same name ### dependencies: n/a (weight 15) - n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package - tools: 3, about 1,020 tokens to load them all - tool set hash: 67da0e4d8caf616093185649293a8e6c - tools last changed: 2026-10-19T18:18:12.229Z - badge: [![protogrid quality](https://protogrid.dev/badge/io.github.si-imtiaz/leadquasar.svg)](https://protogrid.dev/servers/io.github.si-imtiaz/leadquasar) - Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. ### Tool changes - 2026-10-19 `search_businesses` changed (inputSchema) - 2026-10-19 `count_businesses` changed (inputSchema) - 2026-10-19 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.4 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.5 million+ live records, most of them US. - 2026-10-18 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.3 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.4 million+ live records, most of them US. - 2026-10-18 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.2 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.3 million+ live records, most of them US. - 2026-10-17 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.1 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.2 million+ live records, most of them US. - 2026-10-17 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.1 million+ live records, most of them US. - 2026-10-16 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 8.9 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9 million+ live records, most of them US. - 2026-10-16 `count_businesses` changed (description) - before: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 8.8 million+ live records, most of them US. - after: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 8.9 million+ live records, most of them US. - 2026-10-15 `search_businesses` changed (inputSchema) Full history: https://api.protogrid.dev/v1/servers/io.github.si-imtiaz%2Fleadquasar/changes ## Remotes - https://leadquasar.com/api/mcp (streamable-http, auth none, reachable true, uptime30d 0.9915254) ## Packages _none_ ## Tools (3) - `count_businesses`: Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a business email' or 'how many movers are there in London' (country GB). Returns real counts from 9.5 million+ live records, most of them US. - `list_industries`: List the industries LeadQuasar covers and how many verified businesses each holds. Use this first when unsure what industry wording will match. - `search_businesses`: Return a sample of matching businesses with industry, location and data-quality signals. Contact details (name, company, email, phone, address) are never returned by this tool — it shows what exists and how reachable it is, not who to call.