Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Deterministic physics runtime with a proof on every answer: 61 models, open and keyless over MCP.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://mcp.zerotrustphysics.com/mcpRun this in your terminal
claude mcp add --transport http verifier https://mcp.zerotrustphysics.com/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"verifier": {
"url": "https://mcp.zerotrustphysics.com/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"verifier": {
"type": "http",
"url": "https://mcp.zerotrustphysics.com/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://mcp.zerotrustphysics.com/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
list_cardsLists every domain and card this connection serves, each with one sentence, and count, how many there are. against_measurement names the evidence behind the model, in one of three words: "compared with measurement" (a real object; its description says what it was fitted on, what
describe_cardDescribes one domain and card pair: inputs, units, bounds, step limits, reject names and meanings, advisory flags, frame slots, and worked examples. With form "short" the answer is a page, enough to write a first request: what the model is of, the evidence behind it in numbers, e
compute_stepComputes one anchored step of one card and returns the state it lands on, in decimals and exact hex, with its cryptographic proof (sha384_seal) and a receipt. parameters holds the card's phase fields, its load fields and dt_s, as describe_card gives them. A step whose request or
run_trajectoryRuns one card from a start state through segments of steps, each under its own load, and seals the run. The answer holds the outcome, the final state in decimals and exact hex, a frame for each recorded step, the run_seal and a receipt. record_every sets which steps are recorded,
verify_tapeVerifies the seal of a run. Short form, which needs only what is short: request is the run_trajectory request as it was sent, with its readout and its from, whose request has none, when it had them (the answer's inputs holds neither), and run_seal is the seal its answer gave. The
list_solversLists every field solver this connection serves, each with one sentence, and count, how many there are. against_measurement names the evidence behind the model, in one of three words: "compared with measurement" (a real object; its description says what it was fitted on, what it
describe_solverDescribes one solver: inputs and bounds, outputs, invariants and tolerances, refusal names and meanings, the published reference, and a worked example. With form "short" the answer is a page, enough to write a first request: what the model is of, the evidence behind it in numbers
solveSolves one field problem with one solver and seals the solution: the outcome, the result in decimals and exact hex, its invariants, the solution_seal and a receipt. parameters holds the solver's inputs as describe_solver gives them. example, in their place, is the name of a worke
verify_solutionVerifies the seal of a solution. Short form, which needs only what is short: request is the solve request as it was sent (the answer's inputs), and solution_seal is the seal its answer gave. The request is solved again, under a physics permit and the limits and refusals of solve,
run_datasetRuns a declared plan of runs on one card, or of solves of one solver, and seals the rows under one root. A plan is a list of runs, a grid over a base run, or a seeded sample over a base run; a run is a run_trajectory request without domain and card. A plan of solves names solver
verify_datasetVerifies the seal of a dataset. Short form: request is the run_dataset request as it was sent, and dataset_seal is the seal its answer gave. The plan is run again under run_dataset's permits and limits; the answer is holds, cause ("dataset_seal" when the seal given is not the sea
verify_receiptVerifies the receipt at the end of one response against the text before it. It takes no physics permit. The receipt covers every byte of the response before it, the decimal values included, and shows who produced the response or when in no way: it has no key. matches true proves
validate_seriesRuns a run_trajectory request (without a readout) and compares one published quantity with the agent's measurements, each at a landed step. The answer is the error in numbers (rms, mean signed, greatest absolute, model minus measurement, each with its exact hex), the model value
citeGives how to cite a card or a solver: the service itself first (Zero-Trust Physics, its maker and its address) and the paper (https://doi.org/10.5281/zenodo.23517223), then the people whose measurements the model stands on (authors, title, year, address, and what each asks of tho
find_modelFinds the served model for a real thing described in plain words, such as "a lithium cell discharging in the cold". It returns the best few cards and solvers, each with fit first (the words that matched, and model_of: the one real thing it is a model of, and its range) and then a
find_flipFinds where an outcome changes, and gives the run on each side. request is a run_trajectory or solve request written out, its domain and card or its solver by the name find_model or the lists give, with no from, readout or example; vary is the place of the one number to change, s
design_runDesigns a run: from a target end state to the loads of each segment that reach it, computed by the engine with no randomness, so the same request gives the same bits. request is a run_trajectory request; its numbers at the places vary names are the start, and vary gives each load
verify_stepComputes one anchored step of one card, as compute_step does: verify_step is the earlier name of compute_step, served for this one version beside it, and takes the same arguments and gives the same answer, byte for byte. The name compute_step is the one that stays. On this open c
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry lists no source repo, so we cannot match the publisher (zerotrustphysics.com) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 18 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (0.15.3) reached the registry 4 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, dotnet-mcp
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Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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No README found in the repo