Benefits City
by entradox · remote · no sign-in to list tools · v0.3.0 · published by GitHub user entradox
US bank, savings and credit-card signup bonuses, each source-checked, with expiry dates.
6 tools: 3 change things and 3 only read.
Scanned Oct 21, 2026
- Deletes or cancels0Claude Code: deny
- Can't be undone0Claude Code: ask
- Changes things3Claude Code: ask: see these tools
- Only reads3Claude Code: allow: see these tools
1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http benefits-city https://aiagentscity.com/benefits/mcpFindings
Matches of fixed checks, with the text they matched.
The server marks "benefits_examples" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
What this check looks forMatched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}; The description's first verb is "copy": a word for a change.
Tools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
6 tools
Changes things 3Claude Code: ask
benefits_api_docsUse when you need field definitions, ordering guarantees or the error format before calling another tool.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Use when you need field definitions, ordering guarantees or the error format before calling another tool.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
benefits_examplesUse to copy a working example call instead of guessing tool arguments.1 finding
Why it is in this group
- The description's first verb is "copy": a word for a change.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Warn
The server marks "benefits_examples" read-only (readOnlyHint: true), and its own name, description or input give the class "write".
What this check looks forMatched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}; The description's first verb is "copy": a word for a change.
Description, as the server wrote it Use to copy a working example call instead of guessing tool arguments.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
expiring_soonUse when timing matters — a user asking what is about to end, or whether to act now.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it Use when timing matters — a user asking what is about to end, or whether to act now. Offers with no stated end date are never included here.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
Only reads 3Claude Code: allow
compare_bonusesUse when a user is choosing between specific offers.No findings
Why it is in this group
- The name "compare_bonuses" says "compare": a word for reading.
Description, as the server wrote it Use when a user is choosing between specific offers. Returns each offer's key fields plus a summary naming the highest bonus and the earliest expiry.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
get_bonusUse before recommending an offer, to read its exact requirements, minimum deposit, direct-deposit rules, expiry date, state availability and the date its terms were last verified.No findings
Why it is in this group
- The name "get_bonus" says "get": a word for reading.
Description, as the server wrote it Use before recommending an offer, to read its exact requirements, minimum deposit, direct-deposit rules, expiry date, state availability and the date its terms were last verified. Quote the requirements rather than paraphrasing money amounts.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
search_bonusesUse when a user wants to find a US bank account, savings, credit card or brokerage signup bonus, or asks which offers are worth opening.No findings
Why it is in this group
- The name "search_bonuses" says "search": a word for reading.
Description, as the server wrote it Use when a user wants to find a US bank account, savings, credit card or brokerage signup bonus, or asks which offers are worth opening. Returns matching offers sorted by bonus value, highest first — except when balance_transfer is true, which sorts by intro window instead.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 0.3.0. Values in angle brackets are yours to fill in.
claude mcp add --transport http benefits-city https://aiagentscity.com/benefits/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__benefits-city__search_bonuses",
"mcp__benefits-city__get_bonus",
"mcp__benefits-city__compare_bonuses"
],
"ask": [
"mcp__benefits-city__expiring_soon",
"mcp__benefits-city__benefits_api_docs",
"mcp__benefits-city__benefits_examples"
],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as benefits-city. Review it before you use it.