agentprobe.org
045 ms2,070 ms2026-09-07T07:30:54+00:00 · connect-fail · 0 ms2026-09-08T08:08:44+00:00 · ok · 2070 ms2026-09-09T09:10:41+00:00 · connect-fail · 597 ms2026-09-09T10:15:06+00:00 · ok · 646 ms2026-09-10T11:10:55+00:00 · ok · 800 ms2026-09-11T12:10:31+00:00 · ok · 736 ms2026-09-07 07:302026-09-11 12:10045 ms2,070 ms2026-09-07T07:30:54+00:00 · connect-fail · 0 ms2026-09-08T08:08:44+00:00 · ok · 2070 ms2026-09-09T09:10:41+00:00 · connect-fail · 597 ms2026-09-09T10:15:06+00:00 · ok · 646 ms2026-09-10T11:10:55+00:00 · ok · 800 ms2026-09-11T12:10:31+00:00 · ok · 736 ms2026-09-07 07:302026-09-11 12:10
probe history, latency (log) over time, glyph = outcome
C grade
ok
100 score
736 ms
2025-03-26 version
66.7% uptime over 6 measured probes
AS400940 RAILWAY - Railway, US · US

https://www.openaccountants.com/api/mcp

mcp first seen 2026-09-07 · last seen 2026-09-11 · json

Listed in

sourcenamedescriptionexternal id
Official MCP RegistryOpenAccountantsOpen-source AI accounting skills verified by licensed accountants (tax, VAT, payroll).io.github.openaccountants/openaccountants
agent-tools.cloudOpenAccountantsOpen-source AI accounting skills verified by licensed accountants (tax, VAT, payroll).mcp:www-openaccountants-com-chiark
AgenstryOpenAccountantsmcp:io.github.openaccountants/openaccountants

Same host

a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 1

Badge

agentprobe grade C

embed:

<a href="https://agentprobe.org/endpoint/46808"><img src="https://agentprobe.org/badge/46808.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-11 12:10ok100 200HTTP/1.17362025-03-26
details

capabilities 

{"tools_count":14,"tools":["list_skills","get_skill","get_skill_sections","search_skills","search_rules","get_deadlines","list_rule_facets","start_help","start","list_jurisdictions","list_verifiers","validate_vat_number","check_audit_exemption","share_with_openaccountants"],"tools_more":false,"prompts_count":13,"prompts":["skill-review","tax-return","vat-check","find-deductions","skill-feedback","compare-jurisdictions","cross-border-intake","uk-self-employed","us-schedule-c","south-africa-income-tax","portugal-self-employed","uk-capital-gains","malta-freelancer"],"prompts_more":false}

meta 

{"final_url":"https://www.openaccountants.com/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"openaccountants-mcp","title":"OpenAccountants","version":"1.4.0","description":"Open-source tax & accounting skills for AI agents — income tax, VAT/GST, payroll, crypto, capital gains, tax residency, and cross-border planning across 190+ jurisdictions. Cross-border coverage includes CGT for non-residents (AU TAP/FRCGW, US FIRPTA, CA §116), residency tests (AU, US, CA, UK SRT, AE, SG, ZA, NZ, IN RNOR, JP non-permanent resident), and special regimes (MT non-dom, UK FIG, IE non-dom, CY non-dom, PT IFICI/NHR, ES Beckham, IT impatriati, CH lump-sum, IL new immigrant, NL 30% ruli…","websiteUrl":"https://www.openaccountants.com","icons":[{"src":"https://www.openaccountants.com/logo-circle.png","mimeType":"image/png","sizes":["512x512"]}]},"server_capabilities":{"tools":{"listChanged":false},"prompts":{"listChanged":false}},"transport":"streamable-http","delete_status":405,"http_version":"HTTP/1.1","vantage":"us-east-1"}
2026-09-10 11:10ok100 200HTTP/1.18002025-03-26
details

capabilities 

{"tools_count":14,"tools":["list_skills","get_skill","get_skill_sections","search_skills","search_rules","get_deadlines","list_rule_facets","start_help","start","list_jurisdictions","list_verifiers","validate_vat_number","check_audit_exemption","share_with_openaccountants"],"tools_more":false,"prompts_count":13,"prompts":["skill-review","tax-return","vat-check","find-deductions","skill-feedback","compare-jurisdictions","cross-border-intake","uk-self-employed","us-schedule-c","south-africa-income-tax","portugal-self-employed","uk-capital-gains","malta-freelancer"],"prompts_more":false}

meta 

{"final_url":"https://www.openaccountants.com/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"openaccountants-mcp","title":"OpenAccountants","version":"1.4.0","description":"Open-source tax & accounting skills for AI agents — income tax, VAT/GST, payroll, crypto, capital gains, tax residency, and cross-border planning across 190+ jurisdictions. Cross-border coverage includes CGT for non-residents (AU TAP/FRCGW, US FIRPTA, CA §116), residency tests (AU, US, CA, UK SRT, AE, SG, ZA, NZ, IN RNOR, JP non-permanent resident), and special regimes (MT non-dom, UK FIG, IE non-dom, CY non-dom, PT IFICI/NHR, ES Beckham, IT impatriati, CH lump-sum, IL new immigrant, NL 30% ruli…","websiteUrl":"https://www.openaccountants.com","icons":[{"src":"https://www.openaccountants.com/logo-circle.png","mimeType":"image/png","sizes":["512x512"]}]},"server_capabilities":{"tools":{"listChanged":false},"prompts":{"listChanged":false}},"transport":"streamable-http","delete_status":405,"http_version":"HTTP/1.1","vantage":"us-east-1"}
2026-09-09 10:15ok100 200HTTP/1.16462025-03-26
details

capabilities 

{"tools_count":14,"tools":["list_skills","get_skill","get_skill_sections","search_skills","search_rules","get_deadlines","list_rule_facets","start_help","start","list_jurisdictions","list_verifiers","validate_vat_number","check_audit_exemption","share_with_openaccountants"],"tools_more":false,"prompts_count":13,"prompts":["skill-review","tax-return","vat-check","find-deductions","skill-feedback","compare-jurisdictions","cross-border-intake","uk-self-employed","us-schedule-c","south-africa-income-tax","portugal-self-employed","uk-capital-gains","malta-freelancer"],"prompts_more":false}

meta 

{"final_url":"https://www.openaccountants.com/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"openaccountants-mcp","title":"OpenAccountants","version":"1.4.0","description":"Open-source tax & accounting skills for AI agents — income tax, VAT/GST, payroll, crypto, capital gains, tax residency, and cross-border planning across 190+ jurisdictions. Cross-border coverage includes CGT for non-residents (AU TAP/FRCGW, US FIRPTA, CA §116), residency tests (AU, US, CA, UK SRT, AE, SG, ZA, NZ, IN RNOR, JP non-permanent resident), and special regimes (MT non-dom, UK FIG, IE non-dom, CY non-dom, PT IFICI/NHR, ES Beckham, IT impatriati, CH lump-sum, IL new immigrant, NL 30% ruli…","websiteUrl":"https://www.openaccountants.com","icons":[{"src":"https://www.openaccountants.com/logo-circle.png","mimeType":"image/png","sizes":["512x512"]}]},"server_capabilities":{"tools":{"listChanged":false},"prompts":{"listChanged":false}},"transport":"streamable-http","delete_status":405,"http_version":"HTTP/1.1","vantage":"us-east-1"}
2026-09-09 09:10connect-fail 597
details

meta 

{"vantage":"us-east-1"}
WriteError:
2026-09-08 08:08ok70 20020702025-03-26
details

meta 

{"final_url":"https://www.openaccountants.com/api/mcp","era":"legacy","server_info":{"name":"openaccountants-mcp","title":"OpenAccountants","version":"1.4.0","description":"Open-source tax & accounting skills for AI agents — income tax, VAT/GST, payroll, crypto, capital gains, tax residency, and cross-border planning across 190+ jurisdictions. Cross-border coverage includes CGT for non-residents (AU TAP/FRCGW, US FIRPTA, CA §116), residency tests (AU, US, CA, UK SRT, AE, SG, ZA, NZ, IN RNOR, JP non-permanent resident), and special regimes (MT non-dom, UK FIG, IE non-dom, CY non-dom, PT IFICI/NHR, ES Beckham, IT impatriati, CH lump-sum, IL new immigrant, NL 30% ruli…","websiteUrl":"https://www.openaccountants.com","icons":[{"src":"https://www.openaccountants.com/logo-circle.png","mimeType":"image/png","sizes":["512x512"]}]},"server_capabilities":{"tools":{"listChanged":false},"prompts":{"listChanged":false}},"transport":"streamable-http","delete_status":405,"vantage":"us-east-1"}
2026-09-07 07:30connect-fail
details

meta 

{"vantage":"us-east-1"}
ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED