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Directory / QuantCalc Retirement Engine
QuantCalc Retirement Engine
by quantcalc.app · https://mcp.quantcalc.app
Retirement Monte Carlo, tax-aware withdrawal plans, 2026 return estimate, state tax in every state.
11 of 11 checks · 29 Oct 2026
Is QuantCalc Retirement Engine MCP server safe?
- No hidden instructions were found in its tool descriptions.
- Its error messages showed no secrets or internal details.
- All 8 of its tools are labeled read-only.
- Overall it scored 95/100 on 29 Oct 2026.
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What it can do
8 tools, in the server's own words.
run_retirement_projectionread-onlyRuns a Monte Carlo retirement projection on the QuantCalc engine and returns the success rate, the ending-portfolio distribution, and the assumptions that prod…
run_tax_aware_projectionread-onlyRuns the retirement projection with the household's accounts split by tax type and returns the withdrawal order and Roth-conversion programme the engine select…
compare_return_assumptionsread-onlyRuns the same plan against several published capital market assumption sets and returns the success rate and median outcome under each, showing how far the ans…
list_return_assumption_sourcesread-onlyReturns the published capital market assumption sets the engine carries and which components each publisher provides (returns, volatilities, correlations).
explain_methodologyread-onlyReturns what the QuantCalc engine models and what it deliberately leaves out, including the tax provisions that are out of scope, and links to the published me…
estimate_2026_tax_returnread-onlyEstimates a household's 2026 federal and state income tax return from its 2026 income (wages, Social Security, IRA and 401(k) distributions, pensions, Roth con…
optimize_social_security_claimingread-onlySearches every Social Security claiming age from 62 (or today's age) to 70 for the household's tax-aware plan: each age's benefit is the given benefit restated…
state_tax_in_every_stateread-onlyFigures one household's 2026 state income tax in all 50 states and DC from its income (Social Security, IRA and 401(k) withdrawals, a private or government pen…
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Follows MCP best practices (not scored yet)note
1 tip (not scored)
- !The tool list is about 47 KB (roughly 12k tokens). AI apps send it with every message, so it takes that much of the AI's memory before any work starts.
- ✓ConnectsConnected in 358 mspass
- ✓Lists its toolsFound 8 toolspass
- ✓Every tool is describedAll 8 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No hidden instructionsNo hidden instructions found in tool descriptionspass
- ✓Tools work with good inputspass
All good
- ✓compare_return_assumptions: Worked (1.1 s)
- ✓list_return_assumption_sources: Worked (121 ms)
- –explain_methodology: The server limited our requests (HTTP 429), so it was not tested (not counted against the server)
- –estimate_2026_tax_return: The server limited our requests (HTTP 429), so it was not tested (not counted against the server)
- –optimize_social_security_claiming: The server limited our requests (HTTP 429), so it was not tested (not counted against the server)
- –state_tax_in_every_state: The server limited our requests (HTTP 429), so it was not tested (not counted against the server)
- –run_retirement_projection: Not run: labeled read-only, but its name starts with "run", which usually means it changes something. Skipped to be safe: if it only reads, a clearer name helps AI apps too, or test again with --owner
- –run_tax_aware_projection: Not run: labeled read-only, but its name starts with "run", which usually means it changes something. Skipped to be safe: if it only reads, a clearer name helps AI apps too, or test again with --owner
- ✓Bad inputs give a clean errorpass
All good
- ✓compare_return_assumptions: Refused wrong type for "current_age" with a clear error
- –estimate_2026_tax_return: The server limited our requests, so bad inputs were not tested
- –optimize_social_security_claiming: The server limited our requests, so bad inputs were not tested
- –state_tax_in_every_state: The server limited our requests, so bad inputs were not tested
- ✓Fast enoughpass
All good
- ✓Connecting took 358 ms
- ✓Listing tools took 86 ms
- ✓Average tool answer: 629 ms
- ✓compare_return_assumptions: Slowest tool: compare_return_assumptions (1.1 s)
- ✓No secrets leakedChecked 10 error messages: no secrets or internal detailspass
- –Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)not tested
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://mcp.quantcalc.appShow this score on GitHub
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[](https://qamcp.dev/s/app-quantcalc-retirement-engine.html)Score over time
- 29 Oct 202695
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use QuantCalc Retirement Engine, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works