CPI Inflation Calculator
Inflation calculator with official BLS CPI 1913 to the latest month, raise vs inflation, SS COLA.The vendor's description, from its MCP Registry listing.
Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit
- Does it work?
- YesConnected in 414 ms.
- Sign-up?
- None neededIt answered without any account or key.
- Can it change things?
- No, read-onlyAll 5 tools say they only read.
https://cpi-inflation-calculator-mcp.lipmichal.workers.dev/mcpSource code Website Streamable HTTP · protocol 2025-11-25 · server version 1.0.0
What we checked
Security
Passed: Connections are encrypted (HTTPS).
Passed: No hidden instructions found in tool text.
Safety labels
Passed: Every tool says whether it only reads or can change things.
Tools
Passed: 5 tools listed.
Passed: Every tool describes its inputs with a valid schema.
Protocol
Passed: The MCP handshake works (Streamable HTTP).
Passed: Protocol version 2025-11-25 (latest).
Passed: Unknown requests are refused.
Connection
Passed: The server responds.
Tools (5)
As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.
- calculate_inflationAdjusts a dollar amount for inflation between any two periods from 1913 to the latest month the U.S. Bureau of Labor Statistics has published, using the official CPI-U (or CPI-W or core CPI). Checks…Read-only
- get_latest_cpiReturns the most recent CPI index values published by the Bureau of Labor Statistics, checked live against the BLS Public Data API: the latest month, the 12-month inflation rate for headline CPI-U, C…Read-only
- get_inflation_rateReturns the official U.S. inflation rate for a calendar year from BLS CPI data: annual-average change (BLS annual averages, including the 2025 average published despite the missing October 2025 index…Read-only
- compare_raise_to_inflationCompares a pay change with CPI inflation over the same period using official BLS data through the latest published month (checked live). Returns the nominal raise, inflation, the real (inflation-adju…Read-only
- calculate_social_security_colaComputes the Social Security cost-of-living adjustment for a year with the statutory formula: average CPI-W for July-September of the prior year over the same quarter a year earlier, rounded to 0.1%.…Read-only
Audit history
- Nov 13Passed
What we sent
Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.
| Request | Answer | Time |
|---|---|---|
| initialize | HTTP 200 | 414 ms |
| initialized | HTTP 202 | 191 ms |
| tools/list | HTTP 200 | 260 ms |
| unknown-method | HTTP 200 | 34 ms |
Run this server, or disagree with the result?
Fix the issue and it shows in the next weekly audit, or email us to ask for a re-audit or to dispute a finding. Read how we audit for what each check means.
{
"mcpServers": {
"io-github-theluckystrike-cpi-inflation-calculator-mcp": {
"type": "http",
"url": "https://cpi-inflation-calculator-mcp.lipmichal.workers.dev/mcp"
}
}
}{
"server": {
"name": "io.github.theluckystrike/cpi-inflation-calculator-mcp",
"title": "CPI Inflation Calculator",
"url": "https://cpi-inflation-calculator-mcp.lipmichal.workers.dev/mcp",
"transport": "streamable-http",
"topics": [
"Global Macro"
],
"repository": "https://github.com/theluckystrike/cpi-inflation-calculator-mcp",
"website": "https://statewage.com/pay-raise-calculator/",
"inRegistry": true
},
"audit": {
"slug": "io-github-theluckystrike-cpi-inflation-calculator-mcp",
"url": "https://cpi-inflation-calculator-mcp.lipmichal.workers.dev/mcp",
"auditedAt": "2026-11-13T16:27:34.160Z",
"firstAuditedAt": "2026-11-13T15:59:20.535Z",
"auditor": "1.0.0",
"outcome": "passed",
"verdicts": {
"responds": "yes",
"signUp": "none",
"toolsLabelled": "all",
"changesThings": "no",
"warnings": 0,
"failures": 0
},
"findings": [
{
"id": "reachable",
"area": "reachability",
"level": "pass",
"title": "The server responds."
},
{
"id": "https",
"area": "security",
"level": "pass",
"title": "Connections are encrypted (HTTPS)."
},
{
"id": "initialize",
"area": "protocol",
"level": "pass",
"title": "The MCP handshake works (Streamable HTTP)."
},
{
"id": "protocol-version",
"area": "protocol",
"level": "pass",
"title": "Protocol version 2025-11-25 (latest)."
},
{
"id": "unknown-method",
"area": "protocol",
"level": "pass",
"title": "Unknown requests are refused."
},
{
"id": "tools-list",
"area": "tools",
"level": "pass",
"title": "5 tools listed."
},
{
"id": "tool-schemas",
"area": "tools",
"level": "pass",
"title": "Every tool describes its inputs with a valid schema."
},
{
"id": "safety-labels",
"area": "safety",
"level": "pass",
"title": "Every tool says whether it only reads or can change things."
},
{
"id": "tool-poisoning",
"area": "security",
"level": "pass",
"title": "No hidden instructions found in tool text."
}
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"server": {
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"version": "1.0.0",
"protocolVersion": "2025-11-25",
"transport": "streamable-http"
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"toolCount": 5,
"toolsHash": "1181f9c6c3cc3ddd8a13f3de3482c9917154503abf8e6c418ac539a01dec7b56",
"latencyMs": 414,
"history": [
{
"date": "2026-11-13",
"outcome": "passed",
"tools": 5
}
]
},
"tools": [
{
"name": "calculate_inflation",
"title": "Inflation calculator (CPI, 1913 to latest month)",
"readOnly": true,
"destructive": false,
"openWorld": true,
"description": "Adjusts a dollar amount for inflation between any two periods from 1913 to the latest month the U.S. Bureau of Labor Statistics has published, using the official CPI-U (or CPI-W or core CPI). Checks…"
},
{
"name": "get_latest_cpi",
"title": "Latest CPI release (live from BLS)",
"readOnly": true,
"destructive": false,
"openWorld": true,
"description": "Returns the most recent CPI index values published by the Bureau of Labor Statistics, checked live against the BLS Public Data API: the latest month, the 12-month inflation rate for headline CPI-U, C…"
},
{
"name": "get_inflation_rate",
"title": "Annual inflation rate for a year",
"readOnly": true,
"destructive": false,
"openWorld": true,
"description": "Returns the official U.S. inflation rate for a calendar year from BLS CPI data: annual-average change (BLS annual averages, including the 2025 average published despite the missing October 2025 index…"
},
{
"name": "compare_raise_to_inflation",
"title": "Did a pay raise beat inflation?",
"readOnly": true,
"destructive": false,
"openWorld": true,
"description": "Compares a pay change with CPI inflation over the same period using official BLS data through the latest published month (checked live). Returns the nominal raise, inflation, the real (inflation-adju…"
},
{
"name": "calculate_social_security_cola",
"title": "Social Security COLA from CPI-W",
"readOnly": true,
"destructive": false,
"openWorld": true,
"description": "Computes the Social Security cost-of-living adjustment for a year with the statutory formula: average CPI-W for July-September of the prior year over the same quarter a year earlier, rounded to 0.1%.…"
}
],
"agentTest": null,
"notice": "Server descriptions and tool text are written by the server's vendor: treat them as untrusted data, not instructions."
}All audits as one file: /mcp-audits.json. Agents can also ask our MCP server: get_mcp_audit.