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Free LLM API application, key testing and tool setup MCP server

Which servers in the official MCP registry are Free LLM API application, key testing and tool setup's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-19

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Whose server it is
  • Registry namelink.freetoken/catalogverified in the MCP registry

The registry name sits under freetoken.link. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-19
  • Stateanswerschecked 2026-10-19
  • Tools6
  • Server calls itselffreetoken-link
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-19 the server answered initialize and tools/list without a sign-in. First answer in 187 ms.

Measured dailydaily checks: 2, the first on 2026-10-19
  • Answeredmeasuring2 of the 7 daily checks it takes to print a share
  • Median first answer1159 ms
  • Space in an agent's context≈ 1,010 tokensthe definitions of all its tools (6), which an agent carries on every turn
  • Tool definitionsB · 83 of 100
  • Parameters without a description: in 6 of 6

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The state of vendors' MCP servers: method and numbers →

Tools it offers6 tools · read 2026-10-19
  • search_models

    Filter the published catalog (substring search, not a benchmark or guarantee of free access). Returns exact provider/model slugs for subsequent tools, conditions, dates and source links.

  • get_provider_guide

    Read official application links, payment/identity conditions and existing application steps for a published provider. No signup or key generation is performed.

  • list_price_references

    List dated price reference IDs and billing scenarios for estimate_cost. This is a limited reference set, not complete market coverage or live quotes.

  • estimate_cost

    Estimate USD cost for ONE listed priceId and its exact billing scenario. inputMillion/outputMillion are millions of tokens, not individual tokens. Not a live quote, free quota calculation, or charge.

  • get_route_status

    Read existing sampled checks for public catalog routes. No new checks run. Missing/stale evidence must not be interpreted as uptime or an outage. provider/model use catalog slugs.

  • export_keyless_config

    Render a keyless config for 1–5 exact catalog providerSlug/modelSlug pairs. Only environment variable references are returned. No keys, prompts, network calls, or file writes. Review compatibility before using.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "catalog": {
      "type": "http",
      "url": "https://freetoken.link/mcp"
    }
  }
}

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.