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Synap

R0· no sign-in

Open AI models through one OpenAI-compatible API: chat, live model list, prices and cost estimates.

v1.2.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality89good
Trust95of 100
Uptime, 30 days98%
Latency p50344 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "synap": {
      "type": "http",
      "url": "https://pool.linkrra.com/mcp",
      "headers": {
        "Authorization": "Bearer ${SYNAP_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http synap https://pool.linkrra.com/mcp --header "Authorization: Bearer ${SYNAP_TOKEN}"
[mcp_servers.synap]
url = "https://pool.linkrra.com/mcp"
bearer_token_env_var = "SYNAP_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "synap": {
      "type": "remote",
      "url": "https://pool.linkrra.com/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:SYNAP_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "synap": {
      "type": "http",
      "url": "https://pool.linkrra.com/mcp",
      "headers": {
        "Authorization": "Bearer ${SYNAP_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=synap&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcG9vbC5saW5rcnJhLmNvbS9tY3AiLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgJHtTWU5BUF9UT0tFTn0ifX0%3D"
}
{
  "servers": {
    "synap": {
      "type": "http",
      "url": "https://pool.linkrra.com/mcp",
      "headers": {
        "Authorization": "Bearer ${SYNAP_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "synap": {
      "httpUrl": "https://pool.linkrra.com/mcp",
      "headers": {
        "Authorization": "Bearer ${SYNAP_TOKEN}"
      }
    }
  }
}
extensions:
  "synap":
    enabled: true
    name: "synap"
    type: streamable_http
    uri: "https://pool.linkrra.com/mcp"
    headers:
      "Authorization": "Bearer ${SYNAP_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${SYNAP_TOKEN}. The registry never accepts secret values.

Quality 89 / 100good

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 hygiene100 · 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
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 1,155 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability50 · weight 15
  • pass
    stability.changes5 tool changes in 30 days
  • fail
    stability.rug_pull2 tools kept their name but changed most of their description in 30 days; review before trusting them
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 1,155 tokens to load them all · tool set ea2a73820cc9 · tools last changed 2026-10-14 · checked 2026-10-20 13:49 UTC

Tool changes

  • synap_chat_completionchangedinput schema
  • synap_estimate_costadded

    Work out what a chat completion would cost on Synap from token counts, using the live price list. Use this before synap_chat_completion when budget matters, or to compare models for a job. Free, read-only, needs no API key and runs no model. Returns {model, prompt_tokens, completion_tokens, prompt_usd, completion_usd, total_usd, pricing}. It is an estimate: the real charge uses the token counts the model reports afterwards. Auto-routing ids such as "synap-v1" have no fixed price and return an error saying so.

  • synap_get_modeladded

    Return the complete catalogue record for one Synap model: pricing, context and output limits, supported parameters, quantisation, data-retention policy and readiness. Use this after synap_list_models when you need details the summary leaves out. Free, read-only and needs no API key. Returns the raw model object, or an error naming the id if Synap does not serve it.

  • synap_list_modelschangedtitle, description, input schema, annotationsmeaning changed
    before

    List models currently available on Synap (pool.linkrra.com/v1/models).

    after · 5% of words in common

    List the models Synap serves right now, each with its price per million tokens, context window and what it is good at. Use this to choose a model id before calling synap_chat_completion, or to compare prices. Free, read-only, no API key needed, and safe to call repeatedly; the list is live, so models can appear or go between calls. Returns {"object":"list","count":N,"data":[{id,name,capability,tier,context_tokens,max_output_tokens,pricing,data_policy}]}; pricing is USD per million prompt and completion tokens and is absent for the auto-routing ids ("synap-v1"), which bill at the price of the model they route to. For every field of one model use synap_get_model.

  • synap_chat_completionchangedtitle, description, input schema, annotationsmeaning changed
    before

    Call Synap, Linkrra's OpenAI-compatible inference API (pool.linkrra.com/v1), for a chat completion. Requires the caller to supply their own Synap API key as the Authorization: Bearer header on the MCP request.

    after · 19% of words in common

    Send a conversation to a model on Synap, Linkrra's OpenAI-compatible inference API, and get the model's reply. Use this when you need text generated, code written or a question answered by one of the open models Synap serves. This is the only tool here that costs money: it bills prompt and completion tokens to the Synap API key supplied as the Authorization: Bearer header on the MCP connection. With no key it returns an error and nothing is spent; a key with no balance returns insufficient_credits. Call synap_estimate_cost first if the price matters. Returns the standard OpenAI chat.completion JSON (choices[0].message.content holds the reply, usage holds token counts). The call is not streamed and keeps no memory between calls — send the full message history each time.

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 95 / 100

provenance85
liveness99
freshness100
hygiene100

+repository +dns-namespace +website +reachable +uptime-98% +updated-4d-ago

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://pool.linkrra.com/mcp streamable-httpnoneyes98%344 ms2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-052026-10-20

Tools (4)

synap_chat_completionSend a conversation to a model on Synap, Linkrra's OpenAI-compatible inference API, and get the model's reply. Use this when you need text generated, code written or a question answered by one of the open models Synap serves. This is the only tool here that costs money: it bills prompt and completion tokens to the Synap API key supplied as the Authorization: Bearer header on the MCP connection. With no key it returns an error and nothing is spent; a key with no balance returns insufficient_credits. Call synap_estimate_cost first if the price matters. Returns the standard OpenAI chat.completion JSON (choices[0].message.content holds the reply, usage holds token counts). The call is not streamed and keeps no memory between calls — send the full message history each time.
synap_estimate_costread-onlyWork out what a chat completion would cost on Synap from token counts, using the live price list. Use this before synap_chat_completion when budget matters, or to compare models for a job. Free, read-only, needs no API key and runs no model. Returns {model, prompt_tokens, completion_tokens, prompt_usd, completion_usd, total_usd, pricing}. It is an estimate: the real charge uses the token counts the model reports afterwards. Auto-routing ids such as "synap-v1" have no fixed price and return an error saying so.
synap_get_modelread-onlyReturn the complete catalogue record for one Synap model: pricing, context and output limits, supported parameters, quantisation, data-retention policy and readiness. Use this after synap_list_models when you need details the summary leaves out. Free, read-only and needs no API key. Returns the raw model object, or an error naming the id if Synap does not serve it.
synap_list_modelsread-onlyList the models Synap serves right now, each with its price per million tokens, context window and what it is good at. Use this to choose a model id before calling synap_chat_completion, or to compare prices. Free, read-only, no API key needed, and safe to call repeatedly; the list is live, so models can appear or go between calls. Returns {"object":"list","count":N,"data":[{id,name,capability,tier,context_tokens,max_output_tokens,pricing,data_policy}]}; pricing is USD per million prompt and completion tokens and is absent for the auto-routing ids ("synap-v1"), which bill at the price of the model they route to. For every field of one model use synap_get_model.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.linkrra/synap",
  "icons": [
    {
      "src": "https://linkrra.com/favicon-192.png",
      "sizes": [
        "192x192"
      ],
      "mimeType": "image/png"
    },
    {
      "src": "https://linkrra.com/favicon-512.png",
      "sizes": [
        "512x512"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "Synap",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://pool.linkrra.com/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Bearer <your Synap API key>. Only needed for synap_chat_completion; listing models and estimating cost work without it."
        }
      ]
    }
  ],
  "version": "1.2.0",
  "repository": {
    "url": "https://github.com/jimmyplup/synap-mcp",
    "source": "github"
  },
  "websiteUrl": "https://synap.linkrra.com",
  "description": "Open AI models through one OpenAI-compatible API: chat, live model list, prices and cost estimates."
}