# Whatic IC Datasheets (remote · whatic.io)

IC datasheet search: parametric part finding, spec lookup, price comparison — grounded in real PDFs.

- Trust score: 61/100 (medium)
- Change this week: +5
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- remote · `whatic.io`: 61/100 (this document), [markdown](https://verifymcp.io/servers/io-whatic-datasheets/whatic.md), [page](https://verifymcp.io/servers/io-whatic-datasheets/whatic)

## Channel facts

- Endpoint: `https://whatic.io/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.0.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Endpoint Security**: 57/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.
  - HTTPS is enforced; there's no plaintext access path.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 44/100
  - 0% of prompts and resources have a non-trivial description (not blank, and not just the item's name).
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 986 tokens (~123/item across 8 items; 7 tools + 1 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
  - Structured output schemas are declared (86% of tools); any adoption earns full credit.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add --transport http io-whatic-datasheets https://whatic.io/mcp
```

### Codex

```toml
[mcp_servers.io-whatic-datasheets]
url = "https://whatic.io/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "io-whatic-datasheets": {
      "type": "remote",
      "url": "https://whatic.io/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add io-whatic-datasheets --url https://whatic.io/mcp --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  io-whatic-datasheets:
    url: "https://whatic.io/mcp"
```

### Other

```json
{
  "mcpServers": {
    "io-whatic-datasheets": {
      "type": "http",
      "url": "https://whatic.io/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 61, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-01 (score 60, +1)

No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-07-31 (score 59, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 58, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-28 (score 57, +1)

No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-07-27 (score 56, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-26 (score 55)

First indexed and scored.

## MCP tools (7)

### `find_parts` (~422 tokens)

Shortlist IC part numbers by parametric spec constraints, ranked by how many constraints each part satisfies. Each constraint is {canonical, op: gte|lte|eq|range, value, unit?}. Returns per-constraint pass/fail/unknown. `canonical` MUST be one of the exact names below (case-sensitive):
adc_resolution, block_erase_time, breakdown_voltage_ds, channel_count, clamping_voltage, clock_frequency, cmrr, cmti, coil_power, coil_resistance, coil_voltage, collector_emitter_voltage, contact_current, contact_resistance, core_size, cpu_speed, current_rating, dark_current, data_rate, data_retention, dc_resistance, drain_current, driver_count, dropout_voltage, eeprom_size, emitter_base_voltage, fall_time, forward_current, forward_voltage, gain_bandwidth, gate_charge, impedance, input_bias_current, input_capacitance, input_offset_current, input_offset_current_drift, input_offset_voltage, input_offset_voltage_drift, input_voltage_noise_density, insertion_loss, io_count, isolation_voltage, junction_capacitance, load_capacitance, memory_size, operate_time, operating_frequency, operating_temperature, output_capacitance, output_count, output_current, output_noise_voltage, output_power, output_voltage, output_voltage_high, output_voltage_low, page_program_time, peak_pulse_current, power_dissipation, program_erase_cycles, program_memory_size, propagation_delay, psrr, quiescent_current, ram_size, rds_on, receiver_count, rectified_current, release_time, response_time, reverse_leakage_current, reverse_recovery_time, reverse_transfer_capacitance, reverse_voltage, rise_time, sample_rate, sensitivity, settling_time, slew_rate, standby_current, supply_voltage_range, switching_frequency, switching_voltage, vgs_threshold, zener_voltage

Input parameters:

- `constraints` (array, required): Spec constraints; a part is ranked by how many it satisfies.
- `top_k` (integer): Maximum number of parts to return, best first.

### `get_specs` (~104 tokens)

Read canonical extracted specs (min/typ/max, unit, conditions) for known
IC part numbers. Optionally restrict to specific canonical parameter names.

Input parameters:

- `canonicals`: Optional: restrict to these canonical parameter names; omit to return all available specs.
- `part_numbers` (array, required): Exact IC part numbers / MPNs, e.g. ['NE5532', 'LM358']. Family fallback is applied (e.g. TL084CDT -> TL084C).

### `compare_parts` (~64 tokens)

Relative price tier, stock posture, and library class for a set of IC part
numbers (a ranking from a distributor snapshot, not a live quote).

Input parameters:

- `parts` (array, required): Two or more IC part numbers to rank relatively; needs >=2 priced parts for a verdict.

### `search` (~140 tokens)

Search the datasheet corpus; returns hit records (metadata + snippet, each
with an opaque `ref`). Pass a ref list to `get` for full content.
For part-specific queries, pass scope='device:<MPN>' (e.g. scope='device:NE5532')
to restrict hits to that part and avoid cross-part contamination.

Input parameters:

- `k` (integer): Maximum number of hit records to return.
- `q` (string, required): Free-text query, e.g. 'input voltage noise density'.
- `scope`: Optional filter, e.g. 'device:NE5532', to restrict hits to one part and avoid cross-part matches.

### `lookup` (~108 tokens)

One-shot spec/section retrieval: full content of the most relevant datasheet
segments for one or more parts (fuses search+get). Already groups results per
part (via `parts`), so prefer `lookup` over `search` when you know the part(s).

Input parameters:

- `parts`: Part numbers to scope and group the retrieval by; results are returned per part.
- `query` (string, required): What to retrieve, e.g. 'supply voltage' or 'absolute maximum ratings'.

### `get` (~53 tokens)

Expand opaque `ref` tokens (from search/lookup) into full datasheet segment
content.

Input parameters:

- `refs` (array, required): Opaque `ref` tokens from search/lookup hit records, to expand into full segment content.

### `get_image` (~87 tokens)

Fetch datasheet figure images (PNG/JPEG) for opaque `ref` tokens obtained
from search/lookup/get. Returns each image plus its caption/description/page
metadata. Only `type='image'` segments have image data.

Input parameters:

- `refs` (array, required): Opaque `ref` tokens (from search/lookup/get) of image segments; non-image segments return an error record.

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/io-whatic-datasheets/whatic#diagnostics

## Score history

- 2026-08-03: 61
- 2026-08-02: 60
- 2026-08-01: 60
- 2026-07-31: 59
- 2026-07-30: 58
- 2026-07-29: 57
- 2026-07-28: 57
- 2026-07-27: 56
- 2026-07-26: 55

## Links

- Remote endpoint: https://whatic.io/mcp
- Website: https://whatic.io/mcp-docs
- Changelog RSS feed: https://verifymcp.io/servers/io-whatic-datasheets/whatic/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/io-whatic-datasheets/whatic/changelog.json
- HTML version of this page: https://verifymcp.io/servers/io-whatic-datasheets/whatic