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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "butterbase-ai": {
      "type": "http",
      "url": "https://api.butterbase.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${BUTTERBASE_AI_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http butterbase-ai https://api.butterbase.ai/mcp --header "Authorization: Bearer ${BUTTERBASE_AI_TOKEN}"

[mcp_servers.butterbase-ai]
url = "https://api.butterbase.ai/mcp"
bearer_token_env_var = "BUTTERBASE_AI_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "butterbase-ai": {
      "type": "remote",
      "url": "https://api.butterbase.ai/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:BUTTERBASE_AI_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "butterbase-ai": {
      "type": "http",
      "url": "https://api.butterbase.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${BUTTERBASE_AI_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=butterbase-ai&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmJ1dHRlcmJhc2UuYWkvbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7QlVUVEVSQkFTRV9BSV9UT0tFTn0ifX0%3D"
}

{
  "servers": {
    "butterbase-ai": {
      "type": "http",
      "url": "https://api.butterbase.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${BUTTERBASE_AI_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "butterbase-ai": {
      "httpUrl": "https://api.butterbase.ai/mcp",
      "headers": {
        "Authorization": "Bearer ${BUTTERBASE_AI_TOKEN}"
      }
    }
  }
}

extensions:
  "butterbase-ai":
    enabled: true
    name: "butterbase-ai"
    type: streamable_http
    uri: "https://api.butterbase.ai/mcp"
    headers:
      "Authorization": "Bearer ${BUTTERBASE_AI_TOKEN}"
    timeout: 300

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

Quality 58 / 100needs work

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorization83 · weight 15

pass
auth.prmProtected Resource Metadata (RFC 9728) published
pass
auth.as_metadataauthorization server metadata reachable
warn
auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependencies33 · weight 15

fail
deps.known_vulns5 advisories to act on (malicious, or rated high or critical with a fix available): GHSA-7q85-xj36-vmfc in [email protected] (direct, fixed in 0.6.1), GHSA-8238-w5pm-2374 in [email protected] (direct, fixed in 0.6.1), GHSA-j5f4-cc29-5x44 in [email protected] (direct, fixed in 0.6.1), ...; 3 more of lower severity or without a fix
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable@butterbase/[email protected] resolved: 102 packages

Tool list unknown · checked 2026-10-20 11:08 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 90 / 100

provenance90

liveness100

freshness65

hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-99% ~updated-141d-ago

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

Dependencies

@butterbase/[email protected] npm101 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, direct	fixed in `1.31.0`
GHSA-7q85-xj36-vmfcadm-zip: Uncontrolled memory allocation via the declared uncompressed size (DoS)	high	`[email protected]`direct	fixed in `0.6.1`
GHSA-8238-w5pm-2374adm-zip: Unhandled error event in async DEFLATE decompression crashes Node.js process (DoS)	high	`[email protected]`direct	fixed in `0.6.1`
GHSA-j5f4-cc29-5x44adm-zip extraction preserves SUID/SGID bits from untrusted ZIPs -> local privilege escalation	high	`[email protected]`direct	fixed in `0.6.1`
GHSA-rcw4-f5rp-g42vadm-zip: Decompression-bomb protection (fix for CVE-2026-39244) can be bypassed by declaring uncompressed size as 0	high	`[email protected]`direct	fixed in `0.6.1`
GHSA-xcpc-8h2w-3j85adm-zip: Crafted ZIP file triggers 4GB memory allocation	high	`[email protected]`direct	fixed in `0.6.0`
GHSA-c6fg-446q-cg94adm-zip: getDataAsync() bypasses the maxOutputLength size guard enforced by the synchronous getData() path	moderate	`[email protected]`direct	fixed in `0.6.1`
GHSA-p634-w6r4-rjp2adm-zip: Duplicate ZIP entry names: getEntry() and extractAllTo() resolve to different content	moderate	`[email protected]`direct	fixed in `0.6.1`
GHSA-vwc7-r8mq-g2x9adm-zip extraction follows destination symlinks, allowing arbitrary file overwrite	moderate	`[email protected]`direct	no fix yet

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

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://api.butterbase.ai/mcp` streamable-http	oauth2 AS: https://api.butterbase.ai	yes	99%	263 ms	–	2026-10-20

package	registry	version	runtime	secrets
`@butterbase/mcp`	npm	1.0.0	–	`BUTTERBASE_API_KEY`

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.butterbase-ai/mcp",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "remotes": [
    {
      "url": "https://api.butterbase.ai/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "isRequired": true,
          "description": "Bearer <BUTTERBASE_API_KEY>"
        }
      ]
    }
  ],
  "version": "1.0.0",
  "packages": [
    {
      "version": "1.0.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@butterbase/mcp",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "BUTTERBASE_API_KEY",
          "isSecret": true,
          "isRequired": true,
          "description": "Butterbase API key (bb_sk_...). Create one at https://butterbase.ai."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/butterbase-ai/butterbase-oss",
    "source": "github",
    "subfolder": "services/mcp-server"
  },
  "websiteUrl": "https://butterbase.ai",
  "description": "Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys."
}

Butterbase-ai