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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "acn-preflight": {
      "type": "http",
      "url": "https://preflight.abacore.net/mcp"
    }
  }
}

claude mcp add --transport http acn-preflight https://preflight.abacore.net/mcp

[mcp_servers.acn-preflight]
url = "https://preflight.abacore.net/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "acn-preflight": {
      "type": "remote",
      "url": "https://preflight.abacore.net/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "acn-preflight": {
      "type": "http",
      "url": "https://preflight.abacore.net/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=acn-preflight&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcHJlZmxpZ2h0LmFiYWNvcmUubmV0L21jcCJ9"
}

{
  "servers": {
    "acn-preflight": {
      "type": "http",
      "url": "https://preflight.abacore.net/mcp"
    }
  }
}

{
  "mcpServers": {
    "acn-preflight": {
      "httpUrl": "https://preflight.abacore.net/mcp"
    }
  }
}

extensions:
  "acn-preflight":
    enabled: true
    name: "acn-preflight"
    type: streamable_http
    uri: "https://preflight.abacore.net/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

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 hygiene71 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
fail
tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: payment_preflight (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); bounty_reality_check (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); repo_contribution_readiness (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
pass
tools.token_costabout 201 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changes2 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.resolvableno npm or PyPI package

3 tools, about 201 tokens to load them all · tool set cf14fac26784 · tools last changed 2026-09-24 · checked 2026-10-20 10:03 UTC

Tool changes

2026-09-24payment_preflightchangeddescription, input schema
before
Paid $0.02 technical payment preflight using independent Base RPCs. Not financial advice.
after · 59% of words in common
Paid $0.02 technical Base payment preflight using independent RPCs. Supports x402 v2 or a legacy HTTP Bearer token. Not financial advice.
2026-09-24repo_contribution_readinesschangeddescription, input schema
before
Paid $0.10 repository contribution readiness from current public GitHub data.
after · 55% of words in common
Paid $0.10 repository contribution readiness from current public GitHub data. Supports x402 v2 or a legacy HTTP Bearer token.

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 79 / 100

no-repository

provenance45

liveness99

freshness100

hygiene80

+website +reachable +uptime-98% +updated-29d-ago -no-repository

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

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://preflight.abacore.net/mcp` streamable-http	none	yes	98%	418 ms	2025-06-18	2026-10-20

Tools (3)

`bounty_reality_check`	Free fresh GitHub bounty reality check. No registration or email.
`payment_preflight`	Paid $0.02 technical Base payment preflight using independent RPCs. Supports x402 v2 or a legacy HTTP Bearer token. Not financial advice.
`repo_contribution_readiness`	Paid $0.10 repository contribution readiness from current public GitHub data. Supports x402 v2 or a legacy HTTP Bearer token.

Schemas: list_tools.

Official server.json

{
  "name": "io.github.Abacore-net/acn-preflight",
  "title": "ACN Preflight",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://preflight.abacore.net/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://preflight.abacore.net/",
  "description": "Preflight checks for agent repository contributions, bounty work, and Base payments."
}