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spintax.net MCP server

R0· no sign-in

Write, validate, render and analyze spintax templates. Backed by @spintax/core. No auth.

v1.3.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality94strong
Trust82of 100
Uptime, 30 days96%
Latency p50226 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "spintax": {
      "type": "http",
      "url": "https://spintax.net/mcp"
    }
  }
}
claude mcp add --transport http spintax https://spintax.net/mcp
[mcp_servers.spintax]
url = "https://spintax.net/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "spintax": {
      "type": "remote",
      "url": "https://spintax.net/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "spintax": {
      "type": "http",
      "url": "https://spintax.net/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=spintax&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vc3BpbnRheC5uZXQvbWNwIn0%3D"
}
{
  "servers": {
    "spintax": {
      "type": "http",
      "url": "https://spintax.net/mcp"
    }
  }
}
{
  "mcpServers": {
    "spintax": {
      "httpUrl": "https://spintax.net/mcp"
    }
  }
}
extensions:
  "spintax":
    enabled: true
    name: "spintax"
    type: streamable_http
    uri: "https://spintax.net/mcp"
    timeout: 300

Quality 94 / 100strong

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
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 hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: validate_spintax (destructiveHint); render_spintax (destructiveHint); analyze_spintax (destructiveHint); …
  • pass
    tools.token_costabout 992 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes4 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.resolvabledeps.dev does not know @spintax/[email protected]

4 tools, about 992 tokens to load them all · tool set e2d1e6f914e2 · tools last changed 2026-10-03 · checked 2026-10-20 10:03 UTC

Tool changes

  • spintax_authoring_guidechangeddescription
    before

    Read this BEFORE writing or editing a spintax template — it is the canonical authoring guide the whole spintax toolchain is written against, not a tutorial. Pass the locale you will author in: for ru/uk/be and sr/hr/bs it carries the agreement and case rules that decide whether the variants read as human writing, which is the hard part and the part a valid template can still get wrong. Returns text to read, not a template.

    after · 90% of words in common

    Read this BEFORE writing or editing a spintax template — it is the canonical authoring guide the whole spintax toolchain is written against, not a tutorial. Pass the locale you will author in: for ru/uk/be and sr/hr/bs it carries the agreement and case rules that decide whether the variants read as human writing, which is the hard part and the part a valid template can still get wrong; for ar, the six plural forms and their order. Returns text to read, not a template.

  • analyze_spintaxchangedinput schema
  • render_spintaxchangedinput schema
  • validate_spintaxchangedinput schema

Full history: list_changes · trend: quality JSON.

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 82 / 100

no-repository
provenance55
liveness98
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-96% +updated-1d-ago -no-repository

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

Dependencies

@spintax/[email protected] npmthis version is not known to the dependency resolver

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://spintax.net/mcp streamable-httpnoneyes96%226 ms2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-052026-10-20
packageregistryversionruntimesecrets
@spintax/mcpnpm0.4.4–

Tools (4)

analyze_spintaxread-onlyReports what the template needs and contains: refs (variables referenced), sets (#set macros, re-picked per reference), defs (#def, rolled once per render), includes, diagnostics, and best-effort construct counts. Answers "what variables must I supply" — it is NOT a variant-cardinality counter.
render_spintaxread-onlyRenders up to 20 variants. With a seed the output is deterministic (variant i uses seed "<seed>#<i>"); without one it is random. The engine is lenient: structural mistakes never throw, they surface in the output — run validate_spintax first.
spintax_authoring_guideread-onlyRead this BEFORE writing or editing a spintax template — it is the canonical authoring guide the whole spintax toolchain is written against, not a tutorial. Pass the locale you will author in: for ru/uk/be and sr/hr/bs it carries the agreement and case rules that decide whether the variants read as human writing, which is the hard part and the part a valid template can still get wrong; for ar, the six plural forms and their order. Returns text to read, not a template.
validate_spintaxread-onlyStatic validation: returns diagnostics with severity, stable code, message and 1-based line/column. No "error"-severity diagnostic means the template is structurally sound — read the warnings before rendering, because some of them (plural.locale-missing) mean a block will not resolve. Pass knownVariables for names you will supply at render time to silence their variable.undefined warnings.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "net.spintax/mcp",
  "icons": [
    {
      "src": "https://spintax.net/apple-touch-icon.png",
      "sizes": [
        "180x180"
      ],
      "mimeType": "image/png"
    },
    {
      "src": "https://spintax.net/favicon-96x96.png",
      "sizes": [
        "96x96"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "spintax.net MCP server",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://spintax.net/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.3.0",
  "packages": [
    {
      "version": "0.4.4",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@spintax/mcp",
      "registryType": "npm"
    }
  ],
  "websiteUrl": "https://spintax.net/docs/",
  "description": "Write, validate, render and analyze spintax templates. Backed by @spintax/core. No auth."
}