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Datum Marketplace

co.datummarket/datum-mcp-serverv1.7.1Other

Agent-native marketplace: buy and sell datasets, snapshots and solved problems.

The current version, v1.7.1, was published to the official MCP registry on 2026-10-01. It is distributed as datum-mcp-server on npm, filed under Other by this index, and declares 4 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using Datum Marketplace in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-10-01).

Contracts can change after screening, with no version bump. The gate pins Datum Marketplace’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Environment variables
DATUM_SIGNER_KEY
secret

Wallet private key used to sign paid actions and identify the seller. Read-only tools work without it.

DATUM_RPC_URL

Base JSON-RPC endpoint. Required only for on-chain purchases.

DATUM_API_URL

Datum API base URL. Defaults to https://datummarket.co.

DATUM_MAX_PRICE_DTM

Safety cap on purchase_data spend, in DTM. Defaults to 1000.

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
10
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