{"server":{"name":"city.close/close-api","title":"Close API","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://mcp.close.city/mcp","type":"streamable-http","headers":[{"name":"Authorization","isSecret":true,"description":"Bearer ck_ API key from account.close.city. Optional — the free tools (find_place, get_catalog) work without it."}]}],"version":"1.2.0","repository":{"url":"https://github.com/henryspatialanalysis/wtm.api","source":"github","subfolder":"mcp-server"},"websiteUrl":"https://docs.close.city/ai/","description":"Walk, bike, and transit travel times from every US census block to nearby amenities."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-07-24T05:25:53.548507Z","publishedAt":"2026-07-24T05:25:53.548507Z","statusChangedAt":"2026-07-24T05:25:53.548507Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://mcp.close.city/mcp","transport":"streamable-http","templated":false,"headers":[{"name":"Authorization","required":false,"secret":true,"value":null,"secret_names":["CLOSE_API_TOKEN"]}],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-06-18"],"stateless":true},"health":{"reachable":true,"uptime_30d":0.9741379,"latency_ms_p50":263,"consecutive_failures":0,"last_probe_at":"2026-10-19T23:30:45.360Z","last_ok_at":"2026-10-19T23:30:45.360Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"blocks_in_area","title":null,"description":"Per-block travel times for every census block in an area (metered: 1 token per returned row). Give place_geoid (from find_place) for a whole city, or center {lat, lon} + radius_m. Rows carry a numeric mode_id.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"find_place","title":null,"description":"Look up a US city or town by name (free, no key). Returns matches with their census place GEOID and centre point (lon/lat). The entry point: feed a GEOID to blocks_in_area, or a centre to walkability_summary.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"get_catalog","title":null,"description":"List the travel modes and the destination-type taxonomy (free, no key). Use it to resolve type names to the numeric ids the other tools take. Modes are walk, bike, transit — there is no drive mode.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"get_token_balance","title":null,"description":"Check the token balance of the API key in use, without spending any tokens. Works even at a zero balance. Requires the Authorization bearer key.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"isochrone","title":null,"description":"The area reachable from a location within a time budget, as GeoJSON contours (metered: 10 tokens per contour). Give block_geoid or lat+lon. Defaults to a single 30-minute contour; ask for more only when needed (bodies can be large).","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"join_close_plus","title":null,"description":"Get a Stripe Checkout URL for the Close+ membership ($10/month: 5,000 API tokens granted monthly plus member features on the close.city map). The user pays in their own browser: give them the returned URL and stop. Needs a fresh six-digit code from request_sign_in, read by the user from their own inbox.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"nearby_pois","title":null,"description":"Nearby points of interest and the travel time to each, from a location (metered: 1 token per returned row). One origin: block_geoid or lat+lon; keep limit small to control spend and context size. Many origins (up to 250): block_geoids or points — one batch call and one rate-limit request, rows tagged by origin, no limit/pagination, so filter with type/mode/max_minutes. Batching saves requests and context, not tokens: it still charges per row. A non-empty truncated (+ truncated_reason) means the balance or row budget cut the batch short.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"redeem_code","title":null,"description":"Complete sign-up with the six-digit code the user received, and return a new API key (shown once). Call request_sign_in first. The key grants 5,000 free tokens; store it and pass it as the Authorization bearer on future calls.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"request_sign_in","title":null,"description":"Start free sign-up for the user: email them a six-digit code. The user must read the code from their own inbox and give it to you, then call redeem_code. This is how an agent gets the user an API key (5,000 free tokens, no card).","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"},{"name":"walkability_summary","title":null,"description":"Fastest travel time from a location to each destination category, by mode (metered: 1 token per returned row). One origin: block_geoid or lat+lon. Many origins (up to 250): block_geoids or points — one batch call and one rate-limit request, with rows tagged by origin. Batching saves requests and context, not tokens: it still charges per row. A non-empty truncated (+ truncated_reason) means the balance or row budget cut the batch short. A missing category means it is not reachable within 30 minutes.","annotations":null,"source":"probe","observed_at":"2026-10-19T23:30:45.360Z"}],"dev.protogrid/trust":{"score":92,"components":{"hygiene":100,"liveness":99,"freshness":85,"provenance":85},"drivers":["+repository","+dns-namespace","+website","+reachable","+uptime-97%","~updated-88d-ago"],"flags":[],"blocked":false,"computed_at":"2026-10-20T00:38:53.205Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":79,"label":"good","components":{"auth":null,"hygiene":71,"protocol":75,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28","status":"warn","category":"protocol"},{"id":"protocol.stateless","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"auth.prm","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.as_metadata","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.cimd","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.secret_in_url","detail":"no templated URL","status":"na","category":"auth"},{"id":"tools.descriptions","detail":"every tool has a description","status":"pass","category":"hygiene"},{"id":"tools.description_length","detail":"descriptions are concise","status":"pass","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones","status":"fail","category":"hygiene"},{"id":"tools.directory_hints","detail":"no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: nearby_pois (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); isochrone (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_token_balance (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …","status":"fail","category":"hygiene"},{"id":"tools.token_cost","detail":"about 1,529 tokens to load every tool","status":"pass","category":"hygiene"},{"id":"tools.api_dump","detail":"tools are not a one-to-one API dump","status":"pass","category":"hygiene"},{"id":"stability.changes","detail":"no tool changes in 30 days","status":"pass","category":"stability"},{"id":"stability.rug_pull","detail":"no tool changed its meaning under the same name","status":"pass","category":"stability"},{"id":"deps.known_vulns","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"no npm or PyPI package","status":"na","category":"dependencies"}],"drivers":["-tools.annotations","-tools.directory_hints","~protocol.modern"],"flags":[],"tool_count":10,"token_estimate":1529,"tools_hash":"855722eb5580c4e24ec2dab7bc30736a","tools_changed_at":null,"computed_at":"2026-10-20T00:22:39.443Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"dev.protogrid/identity":{"canonical_id":"city.close/close-api","aliases":[],"alias_count":0,"repository_key":"github:henryspatialanalysis/wtm.api","owner":{"verified":false,"method":null,"since":null}}},"next_actions":[{"action":"list_tools","description":"Every current tool with input schemas","href":"/v1/servers/city.close%2Fclose-api/tools","arguments":{"name":"city.close/close-api"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/city.close%2Fclose-api/connection?target=mcpServers","arguments":{"name":"city.close/close-api","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}