dev.overspan/mcp (dev.overspan/mcp@0.1.2)

The MCP registry entry for dev.overspan/mcp, version 0.1.2, was published on 2026-08-27, offering OpenStreetMap queries as MCP tools via the Overspan hosted Overpass API. The server, distributed as overspan-mcp on npm, requires an OVERSPAN_API_KEY environment variable and has not yet received a clearing verdict from mcpindex's evaluation, so agents should treat it as not-yet-cleared.

← Index /leaderboard dev.overspan/mcp OpenStreetMap queries as MCP tools, served by the Overspan hosted Overpass API. The current version, v0.1.2, was published to the official MCP registry on 2026-08-27. It is distributed as overspan-mcp on npm, filed under Maps & Location by this index, and declares one environment variable. 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 /stats put this record in context. Using dev.overspan/mcp 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 . 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 method /methodology 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 /methodology . Own this server? Screen its description → /screen That verdict was true at screening time snapshot 2026-08-27 . Contracts can change after screening, with no version bump. The gate pins dev.overspan/mcp’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 → /guides/install-the-gate-first-hold Related: how to trust an MCP server /guides/how-to-trust-an-mcp-server · screen before install /guides/screen-mcp-server-before-install · silent contract drift /guides/mcp-silent-contract-drift OVERSPAN API KEY Overspan API key, sent as an Authorization: Bearer header. Plans at https://overspan.dev/ pricing; the key arrives by email after checkout. methodology /methodology Arc Researchcom.getarcresearch/arc-research /server/com-getarcresearch-arc-research Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories. GribStream Weather MCPcom.gribstream/mcp /server/com-gribstream-mcp NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries. PublicSafetyAPIdev.publicsafetyapi/publicsafetyapi-mcp /server/dev-publicsafetyapi-publicsafetyapi-mcp US police, fire, EMS and hospital locations near any address, from federal HIFLD data