"Querying a Database" matching MCP tools:

• list_capabilities_v1A

  exascale.buildA

  List available exascale.build data capabilities for agent discovery before querying. Also call this BEFORE stating that a capability is not available — client tool lists are cached and this surface grows; anything listed here is reachable via query_capability_v1 even if your tool list predates it.

  ConnectorNo auth

• pingA

  Nordic Financial MCPA

  Connectivity check that confirms the Nordic MCP server process is responding. Use this at the start of a session to verify the server is reachable before making other calls. Do not use as a proxy for database health — the server can respond while the Qdrant vector database is temporarily unavailable. To confirm data availability, call search_filings directly. Returns: A greeting string: "Hello {name}! Nordic MCP server is running."

  ConnectorNo auth

• query_databaseA

  flootA

  Run a READ-ONLY SQL query against the project's Postgres database (SELECT, EXPLAIN, etc.) — the Floot-managed database, or an external Postgres the user connected to the project. Writes are rejected — use execute_sql for those. Returns JSON: `{rows, rowCount, command, truncated?}` (or `{results: [...]}` for multi-statement queries). Pass `database` only if the project has more than one.

  ConnectorOAuth

• census_resolve_geographyA

  census-mcp-serverA

  Resolve a place name, ZIP code, or street address to Census FIPS identifiers. Converts names like "King County, WA", "Seattle, WA", or "Seattle-Tacoma-Bellevue, WA", and ZIPs like "98109", to the codes required by census_query_data and census_compare_geographies. Use before querying when you have a place name rather than raw FIPS codes — state_fips maps to parent_fips and fips_summary maps to geography_fips in downstream tools, and geography_type is itself the geography_level to query at.

  ConnectorNo auth

• etfsA

  TwelvedataA

  Twelve Data reference list of supported ETF symbols (64,000+ listings worldwide) with exchange and country metadata — paged, default 200 rows, `count` is the total matched. Filter by symbol (e.g. "SPY"), country or exchange. Use to discover or validate ETF tickers before querying price endpoints. A stock ticker (e.g. "AAPL") is not an ETF and returns an empty list with `empty_reason: wrong_instrument_class` — use the stocks tool for those.

  ConnectorNo auth

• omnarai_infoA

  omnarai-mcpA

  Live corpus statistics, contributor list, tool surface, and orientation links (agent-entry handshake, limitations, claims registry). Use this to orient before querying.

  ConnectorNo auth

• describe_schemaA

  ThinAir DataA

  Introspect the full database structure for a connection: every table, column, type, primary key, and index (MySQL connections do not report indexes yet; foreign keys are not reported) — the map to build queries against an unfamiliar database. Use analyze_table or data_profile instead when you need column VALUES (stats, nulls, PII) rather than structure. Read-only against your database. Results are cached 1 hour per connection; pass refresh=true to force a live re-introspection and bypass that cache, e.g. right after altering the schema. Does not consume daily quota. Returns tables with their columns, types, primary keys, and indexes.

  ConnectorOAuth

• publish_schemaA

  Entity EnricherA

  Publish a database-linked schema's working copy as the contract used by enrichment and replicas. A newly linked schema sends nothing until first publication; unlinked drafts cannot be published. Requires editor; no LLM call. Call validate_only=true to inspect the diff, blockers, warnings and per-database migration_sql. Transform migrations require user-approved confirm_transforms=true; cross-schema conflicts remain blockers. key_language may be required if classification revealed a multilingual key. Returns publication state; queued migrations apply asynchronously on replicas. See enricher://docs/database-sync for the review and delivery workflow.

  Connector

  Destructive

  OAuth

• enable_dataA

  GenHTTP LambdaA

  Switch on a kind of data the lambda needs and does not have: 'database' (a SQLite database for its records - off until switched on, which makes it, empty), 'secrets' (off until switched on) or 'workspace' (on unless the owner switched it off). Do it when what you build needs it - records need the database, an API key for a service it calls needs secrets. Takes effect at once, without a deploy; switching the database on starts the lambda again on its next request, so its migrations run. There is no tool to switch one off: that deletes what it held, and is the owner's to do in the editor.

  Connector

  Destructive

  No auth

• portal_resolve_entityA

  SQDA

  Resolve user-facing blockchain entities into query-ready identifiers, with ambiguity kept explicit. COMMON USER ASKS: - Resolve USDC on Base - Resolve WETH on Ethereum - Resolve BAYC contract FIRST CHOICE FOR: - resolving a token symbol like USDC to token contract addresses - resolving EVM contract aliases, protocol names, pool identifiers, or Hyperliquid coin names before querying - checking which token-list addresses a symbol maps to before querying logs or transfers - turning a user-friendly token name into deterministic EVM filters WHEN TO USE: - The user names a token symbol such as USDC, WETH, DAI, or PEPE and you need contract addresses before querying raw data. - The user names a well-known EVM contract, protocol, pool identifier, or Hyperliquid ticker and you need a deterministic follow-up filter. - You need to disambiguate bridged token variants on an EVM network. - You want a source-backed token address rather than relying on memory or hardcoded constants. DON'T USE: - You already have the exact address, pool id, protocol slug, or coin filter and can pass it directly. EXAMPLES: - Resolve USDC on Base: {"network":"base-mainnet","kind":"token","query":"USDC","limit":10} - Resolve WETH on Ethereum: {"network":"ethereum-mainnet","kind":"token","query":"WETH","limit":5} - Resolve BAYC contract: {"network":"ethereum-mainnet","kind":"contract","query":"bored apes"} - Resolve Hyperliquid coin: {"kind":"hyperliquid_coin","query":"bitcoin"}

  ConnectorNo auth

• resize_databaseA

  DockholdA

  Change how much memory an app's managed database gets. Call this when the database is slow or out of memory. db_ram_mb must be one of the sizes get_resource_usage reports under db_ram.steps_mb and fit your database-RAM pool. WARNING: the database restarts briefly to apply the new size, so the app loses its database connection for a few seconds. Only works if the app has a managed database.

  ConnectorNo auth

• shippingrates_linesA

  freightgate-mcp-serverA

  List reviewed shipping-line identities that currently have live D&D coverage, with per-country record counts. Use this to discover which carrier-country D&D combinations are currently available before querying a tariff tool. FREE — no payment required. Returns: Array of { shipping_line, country, records }. Related tools: Use shippingrates_stats for aggregate totals, shippingrates_search for keyword-based discovery.

  ConnectorNo auth

• shippingrates_linesA

  ShippingRates MCP ServerA

  List reviewed shipping-line identities that currently have live D&D coverage, with per-country record counts. Use this to discover which carrier-country D&D combinations are currently available before querying a tariff tool. FREE — no payment required. Returns: Array of { shipping_line, country, records }. Related tools: Use shippingrates_stats for aggregate totals, shippingrates_search for keyword-based discovery.

  ConnectorNo auth

• shippingrates_linesA

  FreightGate MCP ServerA

  List reviewed shipping-line identities that currently have live D&D coverage, with per-country record counts. Use this to discover which carrier-country D&D combinations are currently available before querying a tariff tool. FREE — no payment required. Returns: Array of { shipping_line, country, records }. Related tools: Use shippingrates_stats for aggregate totals, shippingrates_search for keyword-based discovery.

  ConnectorNo auth

• shippingrates_linesA

  ShippingRates MCP Server (Apify)A

  List reviewed shipping-line identities that currently have live D&D coverage, with per-country record counts. Use this to discover which carrier-country D&D combinations are currently available before querying a tariff tool. FREE — no payment required. Returns: Array of { shipping_line, country, records }. Related tools: Use shippingrates_stats for aggregate totals, shippingrates_search for keyword-based discovery.

  ConnectorNo auth

• treasury_dataframe_queryA

  treasury-fiscaldata-mcp-serverA

  Run a single-statement SELECT against DataCanvas dataframes registered by treasury_query_dataset, treasury_get_debt, treasury_get_interest_rates, and treasury_get_exchange_rates. Read-only: writes, DDL, DROP, COPY, PRAGMA, ATTACH, and external-file table functions are rejected. System catalogs (information_schema, pg_catalog, sqlite_master, duckdb_*) are denied at the bridge layer. All Treasury dataframe columns are VARCHAR — CAST to DECIMAL or DATE for arithmetic and date comparisons. Use treasury_dataframe_describe to list available table names and column schemas before querying.

  ConnectorNo auth

• create_databaseA

  tmpstateA

  Create a temporary JSON database (24h TTL, no signup, no keys). Returns the db URL — the only credential — plus admin URL, limits and expiry. Create once per project/task, persist the db URL immediately (local ~/.tmpstate/credentials, project README, and your memory), and reuse it instead of creating again. For retries or parallel workers, pass a stable idempotency_key so duplicate calls return the same database.

  ConnectorNo auth

• demo.url.pulseA

  1cent Web Intelligence for AI AgentsA

  Return a precomputed example of 1cent URL Pulse output without payment, database access or any network request. This fixed demonstration never accepts a URL and never fetches an external resource.

  ConnectorNo auth

• droptrack_get_runtime_contextA

  DropTrackA

  Attest the connected DropTrack MCP stage, base URL, non-secret database fingerprint, configured database-target match, Lambda identity, region, and authorization role. Call this before any write. Require databaseTargetMatchesExpected=true, compare stage, base URL, and fingerprint to the canonical environment table, then pass the exact stage and database fingerprint to guarded write tools. Never infer environment from company data alone.

  ConnectorOAuth

• list_database_syncsA

  Entity EnricherA

  List a saved schema's database registrations, linked schemas, options and sync hosts. Returns pending and quarantined delta counts, projection_upgrade_pending and database links. No LLM call. Pending zero alone does not prove healthy delivery: check quarantine and migration blockers. Use list_entity_states for server-side rows and get_record for per-record delivery state. PostgreSQL, MySQL and SQLite delivery is performed by the user's sync client. See enricher://docs/database-sync.

  ConnectorOAuth

• delete_database_syncA

  Entity EnricherA

  Delete a database registration and its queued deltas, stopping its feed. Requires owner and a sync-enabled plan; no LLM call. External replica tables remain untouched. Entity state and schema database flags remain by default; delete_entity_state and clear_database_model additionally remove data/model settings from schemas left with no registration. Obtain approval for those irreversible teardown options. See enricher://docs/database-sync.

  Connector

  Destructive

  OAuth