UNDERSTANDING — The reverse portfolio edge: which VC firms in the network back a given provider/company (by slug). The investor COUNT is free; the named firms need Understanding.
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522,936 tools. Updated 2026-09-06 13:28
"Understanding Reverse Processes or Reverse Engineering" matching MCP tools:
- Set the primary ENS name (reverse resolution) for a wallet address. This controls what name is displayed when someone looks up your Ethereum address. For example, instead of seeing "0x1234...abcd", they'd see "myname.eth". Requirements: - You must own or control the ENS name - The name's ETH address record must point to your wallet - Only the wallet owner can set their own primary name When a user says "set my primary name" / "make X my primary", JUST call this tool — it bundles BOTH transactions (set the ETH address record + set the reverse record) into a single sign-card. Do NOT also call set_ens_records separately for this. After the user signs, verify it landed with get_primary_name. Only one primary name per address — setting a new one replaces the previous.ConnectorDestructiveNo auth
- How many match credits the configured key has left, and how much of the request allowance it has used. COST: free on both meters. Call it before a reverse lookup, which can spend up to 100 credits in one go. matches_available is the meter that stops a metered call: at zero, the resolve and reverse tools refuse, while this tool and the coverage tool keep answering, so a drained key can always read its own meter. rate_limit_units_used is a separate count of requests and is not a credit figure.ConnectorNo auth
- List recent memories in reverse-chronological order (read-only). When to use: audit what is saved, browse a collection, or collect memory IDs for get_memory or forget. When NOT: semantic search by topic → recall; one full record → get_memory; aggregate counts only → memory_stats. Behavior: default 20 results (plan-capped), ordered by created_at descending; empty set returns a message suggesting remember; full_content controls preview in the message text (120 chars); structured memories[] always includes full content. To list a team workspace instead of personal memory, pass workspace: <name>.ConnectorNo auth
- Returns the stock-split calendar with split ratios and direction (Forward / Reverse). Use for upcoming splits, reverse-split alerts, historical split lookup. Args: fromDate: Start date YYYY-MM-DD (default: 30 days ago) toDate: End date YYYY-MM-DD (default: 30 days from now) type: Optional filter — 'Forward' or 'Reverse' (case-insensitive). Empty string returns both. limit: Max rows (default: 25, max: 100) ticker: Optional single symbol. Widen fromDate to search a company's history — the default window is only today ± 30 days. Returns: { totalCount, data: [{ ticker, companyName, effectiveDate, type, splitRatio, splitRatioText }] }. A filtered call (ticker or type) also returns `matched` and `window`: `totalCount` is every split in the window, `matched` how many passed the filter. The window is read in full before filtering, so an empty result means there genuinely are none rather than that the first page held none.ConnectorNo auth
- Flat, role-granular job search -- the individual open roles across companies matching `role` (function) / `geo` (country) / `since`, one row per logical req (each with its own `company_id` + `req_key`), ATS-only + freshness-floored. Keyset-paginated via the opaque `cursor` (a prior call's `next_cursor`). Use `who_is_hiring_for` for the company-granular reverse view. `role` must be a function id (as seen in prior results); a plain role name like 'engineering' is rejected with an explicit error rather than an empty result -- pass plain language as `q` instead, which searches the posting's own title, expanded semantically to nearby titles, and reports each row's `relevance` (0-1). `q` is independent of `role`: pass both to search titles within one function. `sort` is 'relevance' (the default with a `q`) or 'recency'; omit both and the page keeps its stable default order. `limit` is bounded: an oversized page is rejected rather than truncated, so page through the full set with `cursor` instead of raising `limit`.ConnectorNo auth
Matching MCP Servers
- FlicenseAqualityAmaintenanceEnables decompilation and reverse engineering of Java JAR files through multi-engine decompilation, candidate evaluation, Maven project structuring, AST-based deobfuscation, and bytecode comparison.91-
- FlicenseAqualityDmaintenanceA self-evolving JavaScript reverse engineering workflow MCP server that automates deobfuscation through evolutionary algorithms, integrating MemOS, GitNexus, and Stagehand.49-
Matching MCP Connectors
Convert WGS84 coordinates to the latest available administrative loc_id chain.
27 engineering compliance and calculation tools for the built environment (UK, EU, UAE).
- Resolve a place 'query' to coordinates (forward) or find nearest places to 'latitude'+'longitude' (reverse). Mediterranean-focused curated DB; forward falls back to OSM/Nominatim globally. Each result carries a 'source' discriminator ('local' for the curated marine DB, 'osm' for the global fallback). Returns name, type, coords, source, plus similarity (forward) or distance_m (reverse). Example forward: query="Portofino". Example reverse: latitude=44.3, longitude=9.21, radius_m=50000. Chain into nausika_marine_forecast, nausika_tides, nausika_search_places, or nausika_sea_route using the returned coords.ConnectorNo auth
- Look up a Legal Entity Identifier (LEI) via GLEIF — the global standard for entity identification. Returns legal name, registered address, status, parent + ultimate parent relationships, and child entities (subsidiaries). Also supports reverse lookup from a national company number to LEI across 15 countries (DK, NO, SE, FI, IE, UK, FR, DE, CZ, PL, LV, EE, NL, BE, LU). Tier note (reverse mode only): NL and DE use paid upstream registries — free-tier API keys receive HTTP 402 'upgrade_required'; do NOT retry on 402.ConnectorNo auth
- Start a scratch session that holds several named sequences/values (e.g. vector, insert, forward/reverse primer) for use across multiple tool calls via session_run, instead of re-pasting them into every call. Sessions expire after 24 hours.ConnectorNo auth
- Multi-hop traversal from a claim over typed relation edges of ONE class. Default walks the epistemic §7 edges transitively (support/extend/qualify/refute/background/shared_evidence/same_as); relation_class="engineering" walks the dependency graph (depends_on/satisfies). ★ Those are the values a record carries; the graph stores them as ENG_DEPENDS_ON/ENG_SATISFIES edges, which you never write. This sentence used to name the epistemic set by its RECORD values and the engineering set by its EDGE LABELS, so a reader applying the visible pattern produced `ENG_depends_on` — a third thing, rejected by the validator (which accepts exactly depends_on and satisfies). direction="out" = forward (dependencies / cited); "in" = reverse (impact set — who depends on this). ★ This `direction` is the TRAVERSAL direction of the read and has NOTHING to do with the `direction` FIELD on a relation record — different thing, same name. Do not copy in/out into a record. For engineering it also returns cycle_detected (start claim in a dependency cycle). Class label-spaces are disjoint — a §7 walk never crosses into engineering edges and vice versa.ConnectorAPI key
- Get a verification challenge (HATCHA — a reverse CAPTCHA an LLM solves trivially). Required before submit_feedback or submit_check_feedback. Single-use, expires in 5 minutes.ConnectorNo auth
- List up to 10 latest public sermons from msza.ai in reverse chronological order, optionally limited to one church. This bounded discovery tool has no pagination and returns compact metadata and excerpts only. Use get_sermon with a returned session_id when full sermon text is needed.ConnectorNo auth
- Check whether the mail server (MX) IP addresses are listed on spam blocklists (Spamhaus, Barracuda, SORBS, and other RBLs). Also verifies reverse DNS for MX hosts. Use when you want to know if your mail server IP is blacklisted, or if your MX is on any blocklist — distinct from check_rbl which checks a specific IP directly.ConnectorNo auth
- "Who cites paper [DOI]" / "what papers reference [DOI]" / "incoming citations to [paper]" / "what work has cited [study]" — DOIs that CITE the given DOI (reverse-direction from references). Use for impact analysis, follow-on research discovery, "is this paper influential" questions.ConnectorNo auth
- Get an ETF's constituent holdings and their weights, heaviest first. When the ticker is not an ETF, `is_etf` is false and `holdings` is empty; `is_etf: true` with zero holdings means a real ETF whose holdings aren't ingested yet. (The reverse lookup "which ETFs hold NVDA" is a scan filter on the `etf_holders` column, not this tool.)ConnectorNo auth
- Calcola l'IVA che il CESSIONARIO deve autoliquidare in regime di inversione contabile e restituisce gli obblighi delle due parti con la norma applicabile. Distingue i tre casi che si confondono più spesso: reverse charge INTRACOMUNITARIO (cedente UE non-IT — art. 46 DL 331/93 per i beni, art. 17 c. 2 DPR 633/72 per i servizi), reverse charge INTERNO (cedente italiano — art. 17 c. 6, che NON è generalizzato: vale solo in settori tassativi come subappalti edili, rottami, pulizia edifici, elettronica) e paese non-UE (errore esplicito, non un ramo implicito). Gratis (€0), deterministico, nessun login richiesto.ConnectorNo auth
- Paid $0.01 USDC exact on Base: forward geocode with q= or reverse with lat=&lon= via public Nominatim (OpenStreetMap). Attribution required. payTo 0x3903F05a17676566958B0a3E0c21E0bd49B66ea0.ConnectorNo auth
- Resolve .eth names ↔ addresses (Ethereum) — Forward + reverse ENS resolution on Ethereum mainnet: turn vitalik.eth into an address, or an address into its primary ENS name. Complements the Basename resolver for Base. Required input: query. Priced $0.01 per call over x402 on Base; send a prepaid x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.ConnectorNo auth
- Full-text search across all published tax and accounting skills. Find, lookup, query, or discover skills by keyword, tax concept, deduction type, form number, or regulation (e.g. 'home office deduction', 'crypto capital gains', 'reverse charge', 'Schedule C', '60-day reporting'). Optionally limit to one jurisdiction. Use this when you don't know the exact skill slug. Set content_type='method' to discover step-by-step METHODS (guided procedures — what you EXECUTE via start()) instead of reference material; each method carries a review_status (accountant-reviewed | source-cited).ConnectorNo auth
- Check one sending IP's forward-confirmed reverse DNS (FCrDNS): reads the IP's PTR record, then resolves that hostname back and reports whether it returns to the same IP. `verdict` is confirmed (the pair agrees — what receivers want to see), ptr_missing (the IP publishes no reverse record), or mismatch (a PTR that does not resolve back). A PTR on its own proves nothing, because the IP's operator writes its own reverse zone — only the forward confirmation is evidence, so never report a bare PTR as verified. The fix is always made by whoever controls the IP (the hosting or mail provider), never in the sending domain's own DNS. Pass a public IPv4 or IPv6 address.ConnectorNo auth
- Read the message thread with Austin HQ. Facility routing is automatic. Returns messages in reverse chronological order with sender role (member, facility, agent). Supports cursor-based pagination. Automatically marks facility messages as read.ConnectorNo auth