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FreelancerTax — Canadian self-employed tax math

R0· no sign-in

Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust79of 100
Uptime, 30 days97%
Latency p50160 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "freelancertax": {
      "type": "http",
      "url": "https://freelancertax.ca/mcp"
    }
  }
}
claude mcp add --transport http freelancertax https://freelancertax.ca/mcp
[mcp_servers.freelancertax]
url = "https://freelancertax.ca/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "freelancertax": {
      "type": "remote",
      "url": "https://freelancertax.ca/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "freelancertax": {
      "type": "http",
      "url": "https://freelancertax.ca/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=freelancertax&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZnJlZWxhbmNlcnRheC5jYS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "freelancertax": {
      "type": "http",
      "url": "https://freelancertax.ca/mcp"
    }
  }
}
{
  "mcpServers": {
    "freelancertax": {
      "httpUrl": "https://freelancertax.ca/mcp"
    }
  }
}
extensions:
  "freelancertax":
    enabled: true
    name: "freelancertax"
    type: streamable_http
    uri: "https://freelancertax.ca/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: get_tax_deadlines (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); instalment_plan (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cpp_self_employed (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,303 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

6 tools, about 1,303 tokens to load them all · tool set 3e2c57a39308 · checked 2026-10-19 15:15 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository
provenance55
liveness99
freshness85
hygiene80

+dns-namespace +website +reachable +uptime-97% ~updated-87d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://freelancertax.ca/mcp streamable-httpnoneyes97%160 ms2025-11-252026-10-19

Tools (6)

cpp_self_employedCompute self-employed CPP contributions for a given year: base + enhanced contributions, CPP2 (second ceiling), total payable, and the tax-deduction vs tax-credit split that goes on the T1 (Schedule 8). Quebec residents pay QPP instead — use estimate_self_employed_tax with province QC for QPP.
estimate_self_employed_taxEstimate a Canadian self-employed (sole proprietor) person's full tax bill: federal tax, provincial tax, CPP/QPP (incl. CPP2/QPP + QPIP for Quebec), total, after-tax income and effective rate. Fully verified provinces: ON, BC, AB, MB, SK, NS, NB, QC. Other provinces/territories return an honest federal+CPP-only partial estimate flagged supported:false.
get_tax_deadlinesUpcoming CRA tax deadlines for Canadian freelancers / self-employed individuals (filing, payment, GST/HST, RRSP, quarterly instalments), each on its CRA effective date with the weekend next-business-day rule applied. Also available as a subscribable calendar feed.
gst_hst_registration_checkCheck whether a Canadian small business / freelancer must register for GST/HST under the $30,000 small-supplier tests (single-quarter test and rolling four-quarter test), with the exact mechanics of when to charge and the registration deadline. Set is_rideshare true for taxi/ride-share drivers (they must register from the first fare).
gst_quick_method_compareCompare the GST/HST Quick Method against the regular method for a Canadian small business: eligibility (revenue ceiling + excluded professions), remittance under each method, and which one keeps more money. Annual figures.
instalment_planDetermine whether a Canadian individual must pay quarterly income-tax instalments (the $3,000 / $1,800-Quebec net-tax-owing tests) and compute all three CRA payment options (no-calculation, prior-year, current-year) as quarterly schedules with a suggested no-interest choice. Per the CRA's instalment calculation chart, 'net tax owing' EXCLUDES CPP contributions and EI premiums payable — pass those separately as cpp_payable and they are added to the instalment amounts only (chart line 24), never to the threshold test.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "ca.freelancertax/freelancertax",
  "title": "FreelancerTax — Canadian self-employed tax math",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://freelancertax.ca/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://freelancertax.ca",
  "description": "Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free."
}