{"name":"tapwatermap","version":"1.0.0","description":"TapWaterMap MCP — query US tap-water quality from the EPA's own SDWIS records.","transport":"streamable-http","endpoint":"/mcp","protocolVersion":"2025-06-18","auth":"none (public EPA data)","tools":[{"name":"search","description":"Search TapWaterMap for US cities by name. Returns matching cities with an id you can pass to `fetch`. (ChatGPT/Deep-Research compatible.)"},{"name":"fetch","description":"Fetch the full plain-English EPA tap-water record for a city id (e.g. 'vt/burlington') returned by `search`. (ChatGPT/Deep-Research compatible.)"},{"name":"search_cities","description":"Find covered US cities by name, optionally within a state. Returns counts + the page URL for each."},{"name":"get_city_water","description":"The core tool: what the EPA has on record for a city's tap water — the active community water systems serving it, populations, sources, and violations (contaminant, health-based or not, dates, status, level vs limit when recorded). Plain-English, sourced, never a safety verdict."},{"name":"get_water_system","description":"EPA record for a single water system by its PWSID (e.g. 'VT0005053'): name, population served, source, and violations."},{"name":"list_state_cities","description":"List all covered cities in a state (with violation counts)."},{"name":"find_cities","description":"Filter/rank cities across the dataset — e.g. cities in TX with open health-based violations, or cities with a specific contaminant. Returns ranked matches."},{"name":"compare_cities","description":"Compare the EPA records of several cities side by side. Pass cities as 'City, ST' strings."},{"name":"explain_contaminant","description":"Plain-English explanation of an EPA contaminant by name or code: the EPA name, whether the EPA classifies it as health-based, and how often it appears in our records. Not medical advice."},{"name":"coverage_stats","description":"What TapWaterMap covers: states, cities, total EPA violation records, and the data quarter/date."}],"docs":"https://tapwatermap.com/llms.txt"}