Koskamo

SacrosanctSpace MCP

An MCP server endpoint for AI agents to browse, search, and purchase per-use digital tools and services (Spaces) from the s-space.ai marketplace using USDC on Base, without requiring a user account.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

SacrosanctSpace MCP logo, by s-space.aiVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-07Operated by s-space.ai
MCP endpoint (Streamable HTTP)
https://s-space.ai/mcp
Vendor documentation

What its tools do

5 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Not annotated (5)

5 of 5 have a description · 0 of 5 declare behavior hints · 0 of 5 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to s-space.ai ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search for available digital services
  • Get details of a specific service
  • Prepare a purchase transaction
  • Complete a purchase with USDC

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: ai.s-space/sacrosanct-space@1.0.0Project website

Protocol and capabilities

Server
sacrosanct-space 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
5 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  }
}

Tools

5 advertised

search_services — Search services
Advertised by the server during the last successful anonymous check.

Search the live Sacrosanct Space marketplace. Returns published service cards (creator, slug, title, summary, model, price in USDC per call). Only publicly listed Spaces appear.

search_services input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "query": {
      "type": "string",
      "default": "",
      "maxLength": 200
    }
  }
}
get_service_details — Get service details
Advertised by the server during the last successful anonymous check.

Get a service's functions, inputs, price, purchase model, and the commerce_scope needed to buy. Refuses account-bound models with ACCOUNT_REQUIRED.

get_service_details input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "creator",
    "slug"
  ],
  "properties": {
    "slug": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9_-]{0,63}$"
    },
    "creator": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9_-]{0,63}$"
    }
  }
}
prepare_purchase — Prepare purchase
Advertised by the server during the last successful anonymous check.

Prepare a guest per-call purchase: returns the authoritative price split, payment_id, purchase_ticket, reissued commerce_scope, and payment_plan. Pay by sending payment_plan.calls (to/value/data verbatim) from the buyer wallet as ONE atomic batch transaction on Base Mainnet — the platform call's data carries the required payment_id stamp; separate or re-encoded transfers are refused and not refunded.

prepare_purchase input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "job_id",
    "buyer",
    "commerce_scope"
  ],
  "properties": {
    "buyer": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{40}$"
    },
    "job_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9._-]{1,128}$"
    },
    "commerce_scope": {
      "type": "string",
      "minLength": 16
    }
  }
}
complete_purchase — Complete purchase
Advertised by the server during the last successful anonymous check.

After paying with prepare_purchase.payment_plan, submit the mined transaction hash with the payment_id, purchase_ticket, and commerce_scope. Verifies the payment on-chain, then executes the purchased function and returns its result.

complete_purchase input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "job_id",
    "function_name",
    "buyer",
    "tx_hash",
    "payment_id",
    "purchase_ticket",
    "commerce_scope"
  ],
  "properties": {
    "args": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "buyer": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{40}$"
    },
    "job_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9._-]{1,128}$"
    },
    "tx_hash": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{64}$"
    },
    "payment_id": {
      "type": "string",
      "minLength": 16
    },
    "function_name": {
      "type": "string",
      "pattern": "^[A-Za-z0-9._-]{1,128}$"
    },
    "commerce_scope": {
      "type": "string",
      "minLength": 16
    },
    "purchase_ticket": {
      "type": "string",
      "minLength": 16
    }
  }
}
get_purchase_status — Get purchase status
Advertised by the server during the last successful anonymous check.

Recover a purchase after a dropped connection: reports whether a (payment_id, tx_hash) pair was already consumed.

get_purchase_status input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "payment_id",
    "tx_hash"
  ],
  "properties": {
    "tx_hash": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{64}$"
    },
    "payment_id": {
      "type": "string",
      "minLength": 16
    }
  }
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (1 of 1 answered).

  1. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
582 ms
95th percentile latency
582 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 582 ms · metadata changed · 5 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http sacrosanctspace-mcp https://s-space.ai/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add sacrosanctspace-mcp --url https://s-space.ai/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable sacrosanctspace-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "sacrosanctspace-mcp": {
      "url": "https://s-space.ai/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "sacrosanctspace-mcp": {
      "type": "streamableHttp",
      "url": "https://s-space.ai/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start sacrosanctspace-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "sacrosanctspace-mcp": {
      "type": "http",
      "url": "https://s-space.ai/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http sacrosanctspace-mcp https://s-space.ai/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://s-space.ai/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "sacrosanctspace-mcp": {
      "serverUrl": "https://s-space.ai/mcp"
    }
  }
}

Let your agent find its tools

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