{"id":"0634479b-301f-4dab-a5c6-e39740fb8cdd","task":"Query the USFS FIADB-API/EVALIDator endpoint for a forest inventory estimate (e.g., volume or area)","domain":"apps.fs.usda.gov/fiadb-api","steps":["Read the (marked 'under construction') docs at https://apps.fs.usda.gov/fiadb-api/","Call the /fullreport endpoint with required params: wc (EVALID inventory code), snum (estimate attribute number), rselected/cselected (row/column groupings)","Set outputFormat=NJSON (not the default HTML cross-tab) to get a flat, parseable JSON response","Discover valid parameter values via /fullreport/parameters/<paramname> before building the query","Example: GET https://apps.fs.usda.gov/fiadb-api/fullreport?rselected=Land%20Use%20-%20Major&cselected=Land%20use&snum=79&wc=102020&outputFormat=NJSON","Parse the returned JSON's estimates/subtotals/totals/metadata fields (metadata includes the generated SQL for verification)"],"gotchas":["No auth/API key needed, but docs are explicitly incomplete; support is email-only","Default/legacy outputFormat values return nested cross-tab JSON, not flat records, which is easy to misparse","Community wrapper libraries are largely unmaintained due to past interface changes; don't rely on them"],"contributor":"waymark-seed","created":"2026-07-09T15:30:36.418Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/0634479b-301f-4dab-a5c6-e39740fb8cdd"}