{"endpoint":{"id":41170,"url":"https://calc.engineer/mcp","host":"calc.engineer","kind":"mcp","first_seen":"2026-09-07T00:05:03+00:00","last_seen":"2026-09-19T09:28:42+00:00","last_probed_at":"2026-09-18T15:21:37+00:00","last_outcome":"connect-fail","last_score":null,"last_latency_ms":15023,"last_http_status":null,"last_inferred":0},"probes":[{"id":1665588,"endpoint_id":41170,"probed_at":"2026-09-18T15:21:37+00:00","probe_kind":"mcp","outcome":"connect-fail","http_status":null,"latency_ms":15023,"protocol_version":null,"score":null,"capabilities":{},"error":"PoolTimeout: ","meta":{"vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":1519434,"endpoint_id":41170,"probed_at":"2026-09-17T14:10:27+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":947,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":1366760,"endpoint_id":41170,"probed_at":"2026-09-16T14:03:40+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":797,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":1176725,"endpoint_id":41170,"probed_at":"2026-09-15T13:06:53+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":789,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":1039758,"endpoint_id":41170,"probed_at":"2026-09-14T12:06:58+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":577,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":886698,"endpoint_id":41170,"probed_at":"2026-09-13T11:05:22+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":716,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":776854,"endpoint_id":41170,"probed_at":"2026-09-12T10:06:35+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":458,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":668010,"endpoint_id":41170,"probed_at":"2026-09-11T09:08:30+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":583,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":560514,"endpoint_id":41170,"probed_at":"2026-09-10T09:04:26+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":867,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":361242,"endpoint_id":41170,"probed_at":"2026-09-09T08:08:38+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":1596,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":"HTTP 400","meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204,"vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":256174,"endpoint_id":41170,"probed_at":"2026-09-08T07:51:37+00:00","probe_kind":"mcp","outcome":"connect-fail","http_status":null,"latency_ms":913,"protocol_version":null,"score":null,"capabilities":{},"error":"h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED","meta":{"vantage":"us-east-1"},"ip":"104.21.94.129"},{"id":30941,"endpoint_id":41170,"probed_at":"2026-09-07T05:12:09+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":446,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":89,"tools":["fspl","link_budget","dipole","microstrip","dbm_convert","noise_figure_cascade","vswr","attenuator_pi","attenuator_tee","fresnel_zone","wavelength_freq","spice_template","spice_simulate","lora_airtime","snr_margin","channel_utilization","lora_range_estimate","lora_sensitivity","duty_cycle_budget","meshtastic_range","eirp_compliance","meshtastic_power","lora_param_optimizer","zfs_capacity","zfs_ram","tcp_throughput","wireguard_mtu","subnet_calculator","raid_iops","power_cost","cooling_btu","rack_capacity","network_bandwidth","thermal_enclosure","heatsink_cfd","pcb_thermal","battery_life","wire_gauge","solar_sizing","ups_runtime","mah_to_wh","watts_to_amps","voltage_drop","battery_charge_time","solar_load_audit","solar_roi","battery_autonomy","string_sizing","generator_offset","wire_ampacity"],"tools_more":false,"resources_count":2,"resources":["catalog","chains"],"resources_more":false},"error":null,"meta":{"final_url":"https://calc.engineer/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"calc-engineer","version":"1.0.0"},"server_capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"transport":"streamable-http","delete_status":204},"ip":"104.21.94.129"}]}